URL:

https://downloads.passmark.com/osforensics/downloads/osf.exe

Full analysis: https://app.any.run/tasks/24ecaae3-4221-4dec-b93b-514f66b710fd
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Malware Trends Tracker     >>>
Analysis date: October 28, 2019, 15:59:07
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
stealer
Indicators:
MD5:

8D90899B8ED13A38BFA630B0201B4250

SHA1:

6457657ABD1D6200BF74469907B6F57B4425D1F8

SHA256:

EC0F983BF563863F198D3DB9FD8FC62188C29D270554A844E4BBAF8B1F9BD75A

SSDEEP:

3:N8SE4LZZLGK9DMALWM8DeKNDL4A:2SfLzMuWtxv

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Application was dropped or rewritten from another process

      • OSForensics.exe (PID: 3716)
      • osf.exe (PID: 1796)
      • osf.exe (PID: 2412)

    • Loads dropped or rewritten executable

      • osf32.exe (PID: 3468)

    • Stealing of credential data

      • osf32.exe (PID: 3468)

    • Actions looks like stealing of personal data

      • osf32.exe (PID: 3468)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • firefox.exe (PID: 4080)
      • osf.exe (PID: 2412)
      • osf.tmp (PID: 1884)
      • osf.exe (PID: 1796)

    • Reads the Windows organization settings

      • osf.tmp (PID: 1884)

    • Creates files in the program directory

      • firefox.exe (PID: 4080)
      • osf32.exe (PID: 3468)

    • Creates files in the Windows directory

      • osf32.exe (PID: 3468)

    • Executed as Windows Service

      • vssvc.exe (PID: 3168)

    • Low-level read access rights to disk partition

      • osf32.exe (PID: 3468)

    • Reads the cookies of Mozilla Firefox

      • osf32.exe (PID: 3468)

    • Reads the cookies of Google Chrome

      • osf32.exe (PID: 3468)

    • Cleans NTFS data-stream (Zone Identifier)

      • firefox.exe (PID: 4080)

    • Reads Windows owner or organization settings

      • osf.tmp (PID: 1884)

  • INFO

    • Application launched itself

      • firefox.exe (PID: 1296)
      • firefox.exe (PID: 4080)

    • Application was dropped or rewritten from another process

      • osf.tmp (PID: 1884)
      • osf.tmp (PID: 4048)

    • Dropped object may contain TOR URL's

      • osf.tmp (PID: 1884)

    • Reads CPU info

      • firefox.exe (PID: 4080)

    • Dropped object may contain Bitcoin addresses

      • firefox.exe (PID: 4080)
      • osf.tmp (PID: 1884)

    • Creates files in the user directory

      • firefox.exe (PID: 4080)

    • Reads settings of System Certificates

      • firefox.exe (PID: 4080)

    • Creates a software uninstall entry

      • osf.tmp (PID: 1884)

    • Creates files in the program directory

      • osf.tmp (PID: 1884)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
58
Monitored processes
14
Malicious processes
8
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start drop and start drop and start drop and start firefox.exe no specs firefox.exe firefox.exe no specs firefox.exe firefox.exe firefox.exe osf.exe osf.tmp no specs osf.exe pingsender.exe osf.tmp osforensics.exe no specs osf32.exe vssvc.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
784"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4080.20.202573824\1029015302" -childID 3 -isForBrowser -prefsHandle 3844 -prefMapHandle 3848 -prefsLen 7129 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 4080 "\\.\pipe\gecko-crash-server-pipe.4080" 3860 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
1296"C:\Program Files\Mozilla Firefox\firefox.exe" "https://downloads.passmark.com/osforensics/downloads/osf.exe"C:\Program Files\Mozilla Firefox\firefox.exe—explorer.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
1796"C:\Users\admin\Downloads\osf.exe" C:\Users\admin\Downloads\osf.exe
firefox.exe
User:
admin
Company:
PassMark Software
Integrity Level:
MEDIUM
Description:
OSForensics Setup
Exit code:
0
Version:
7.0.1005.0
Modules
Images
c:\users\admin\downloads\osf.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1876"C:\Program Files\Mozilla Firefox\pingsender.exe" https://incoming.telemetry.mozilla.org/submit/telemetry/892380cd-d229-45c4-ad81-5b65f8b0d463/main/Firefox/68.0.1/release/20190717172542?v=4 C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\saved-telemetry-pings\892380cd-d229-45c4-ad81-5b65f8b0d463C:\Program Files\Mozilla Firefox\pingsender.exe
firefox.exe
User:
admin
Company:
Mozilla Foundation
Integrity Level:
MEDIUM
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\pingsender.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
1884"C:\Users\admin\AppData\Local\Temp\is-RB2CU.tmp\osf.tmp" /SL5="$40160,131404963,968192,C:\Users\admin\Downloads\osf.exe" /SPAWNWND=$4013E /NOTIFYWND=$3018E C:\Users\admin\AppData\Local\Temp\is-RB2CU.tmp\osf.tmp
osf.exe
User:
admin
Integrity Level:
HIGH
Description:
Setup/Uninstall
Exit code:
0
Version:
51.1052.0.0
Modules
Images
c:\users\admin\appdata\local\temp\is-rb2cu.tmp\osf.tmp
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mpr.dll
c:\windows\system32\comdlg32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2412"C:\Users\admin\Downloads\osf.exe" /SPAWNWND=$4013E /NOTIFYWND=$3018E C:\Users\admin\Downloads\osf.exe
osf.tmp
User:
admin
Company:
PassMark Software
Integrity Level:
HIGH
Description:
OSForensics Setup
Exit code:
0
Version:
7.0.1005.0
Modules
Images
c:\users\admin\downloads\osf.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2500"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4080.0.43858104\646726711" -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 4080 "\\.\pipe\gecko-crash-server-pipe.4080" 1176 gpuC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
1
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
3168C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe—services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssvc.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
3180"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4080.3.1313555930\489307633" -childID 1 -isForBrowser -prefsHandle 1696 -prefMapHandle 1692 -prefsLen 1 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 4080 "\\.\pipe\gecko-crash-server-pipe.4080" 1716 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\dbghelp.dll
3244"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4080.13.1389795052\815133544" -childID 2 -isForBrowser -prefsHandle 2876 -prefMapHandle 2880 -prefsLen 5996 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 4080 "\\.\pipe\gecko-crash-server-pipe.4080" 2900 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
Total events
1 408
Read events
1 205
Write events
198
Delete events
5

Modification events

(PID) Process:(1296) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
E336021803000000
(PID) Process:(4080) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
4CB1041803000000
(PID) Process:(4080) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
1
(PID) Process:(4080) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(4080) firefox.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(4080) firefox.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(4080) firefox.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\p2pcollab.dll,-8042
Value:
Peer to Peer Trust
(PID) Process:(4080) firefox.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\qagentrt.dll,-10
Value:
System Health Authentication
(PID) Process:(4080) firefox.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dnsapi.dll,-103
Value:
Domain Name System (DNS) Server Trust
(PID) Process:(4080) firefox.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:@%SystemRoot%\System32\fveui.dll,-843
Value:
BitLocker Drive Encryption
Executable files
168
Suspicious files
85
Text files
1 123
Unknown types
65

Dropped files

PID
Process
Filename
Type
4080firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cookies.sqlite-shm —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\2918063365piupsah.sqlite-shm —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shm —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\base-track-digest256.sbstore —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\block-flash-digest256.pset —
MD5:—
SHA256:—
4080firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\block-flash-digest256.sbstore —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
34
DNS requests
74
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4080
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
4080
firefox.exe
POST
200
172.217.23.163:80
http://ocsp.pki.goog/gts1o1
US
der
472 b
whitelisted
4080
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
4080
firefox.exe
POST
200
172.217.23.163:80
http://ocsp.pki.goog/gts1o1
US
der
472 b
whitelisted
4080
firefox.exe
GET
200
2.16.186.50:80
http://detectportal.firefox.com/success.txt
unknown
text
8 b
whitelisted
4080
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
4080
firefox.exe
GET
200
2.16.186.50:80
http://detectportal.firefox.com/success.txt
unknown
text
8 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4080
firefox.exe
2.16.186.50:80
detectportal.firefox.com
Akamai International B.V.
—
whitelisted
4080
firefox.exe
69.16.175.42:443
downloads.passmark.com
Highwinds Network Group, Inc.
US
malicious
4080
firefox.exe
52.89.218.39:443
search.services.mozilla.com
Amazon.com, Inc.
US
unknown
4080
firefox.exe
54.69.207.70:443
tiles.services.mozilla.com
Amazon.com, Inc.
US
unknown
4080
firefox.exe
52.10.118.253:443
push.services.mozilla.com
Amazon.com, Inc.
US
malicious
4080
firefox.exe
13.224.96.96:443
snippets.cdn.mozilla.net
—
US
unknown
4080
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
4080
firefox.exe
216.58.210.10:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
4080
firefox.exe
172.217.23.163:80
ocsp.pki.goog
Google Inc.
US
whitelisted
4080
firefox.exe
13.225.78.107:443
firefox.settings.services.mozilla.com
—
US
suspicious

DNS requests

Domain
IP
Reputation
detectportal.firefox.com
  • 2.16.186.50
  • 2.16.186.112
whitelisted
downloads.passmark.com
  • 69.16.175.42
  • 69.16.175.10
malicious
a1089.dscd.akamai.net
  • 2.16.186.112
  • 2.16.186.50
whitelisted
cds.x3g3g2y3.hwcdn.net
  • 69.16.175.10
  • 69.16.175.42
malicious
search.services.mozilla.com
  • 52.89.218.39
  • 35.164.109.147
  • 52.35.182.58
whitelisted
search.r53-2.services.mozilla.com
  • 52.35.182.58
  • 35.164.109.147
  • 52.89.218.39
whitelisted
push.services.mozilla.com
  • 52.10.118.253
whitelisted
autopush.prod.mozaws.net
  • 52.10.118.253
whitelisted
tiles.services.mozilla.com
  • 54.69.207.70
  • 100.20.112.56
  • 35.161.239.106
  • 35.162.117.80
  • 35.166.89.106
  • 52.24.113.72
  • 54.68.223.18
  • 34.223.160.244
whitelisted
snippets.cdn.mozilla.net
  • 13.224.96.96
  • 13.224.96.21
  • 13.224.96.53
  • 13.224.96.14
whitelisted

Threats

PID
Process
Class
Message
1080
svchost.exe
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
1080
svchost.exe
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
No debug info
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Reports
https://downloads.passmark.com/osforensics/downloads/osf.exe