URL:

https://www.dropbox.com/s/rhkjcnf8a2phnv9/REVISED%20INVOICE-PO02876274.pdf.z?dl=1

Full analysis: https://app.any.run/tasks/6827e4a1-c60b-4d98-a477-0270fe66e78f
Verdict: Malicious activity
Threats:

NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website.

Malware Trends Tracker     >>>
Analysis date: October 20, 2020, 04:20:41
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
nanocore
trojan
Indicators:
MD5:

36C8BF4938C091AF6AE416C186E000F9

SHA1:

D2F07FE7D736610A68724EF1CFC664330DA088B9

SHA256:

04B90F2E83217F61BE0AF4F0B55624E70A4F008BA2B1D7E6D1BF5CDE5AA27F74

SSDEEP:

3:N8DSLcVHGkMDLRKmwhAXiXXF2XSRHSJ5:2OLHkQWyiHFRyT

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

      • REVISED INVOICE-PO02876274.scr (PID: 3008)
      • RegSvcs.exe (PID: 3328)
      • REVISED INVOICE-PO02876274.scr (PID: 2768)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 2144)

    • Changes the autorun value in the registry

      • RegSvcs.exe (PID: 3328)

    • Uses Task Scheduler to run other applications

      • REVISED INVOICE-PO02876274.scr (PID: 3008)

    • NANOCORE was detected

      • RegSvcs.exe (PID: 3328)

    • Connects to CnC server

      • RegSvcs.exe (PID: 3328)

  • SUSPICIOUS

    • Reads the BIOS version

      • REVISED INVOICE-PO02876274.scr (PID: 3008)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2236)
      • REVISED INVOICE-PO02876274.scr (PID: 3008)
      • RegSvcs.exe (PID: 3328)

    • Creates files in the user directory

      • REVISED INVOICE-PO02876274.scr (PID: 3008)
      • RegSvcs.exe (PID: 3328)

  • INFO

    • Application launched itself

      • chrome.exe (PID: 2560)

    • Reads the hosts file

      • chrome.exe (PID: 3808)
      • chrome.exe (PID: 2560)

    • Reads Internet Cache Settings

      • chrome.exe (PID: 2560)

    • Reads settings of System Certificates

      • chrome.exe (PID: 3808)

    • Manual execution by user

      • WinRAR.exe (PID: 2236)
      • REVISED INVOICE-PO02876274.scr (PID: 3008)
      • REVISED INVOICE-PO02876274.scr (PID: 2768)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
56
Monitored processes
16
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs winrar.exe revised invoice-po02876274.scr chrome.exe no specs chrome.exe no specs schtasks.exe no specs #NANOCORE regsvcs.exe revised invoice-po02876274.scr no specs

Process information

PID
CMD
Path
Indicators
Parent process
984"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=2564 --on-initialized-event-handle=324 --parent-handle=328 /prefetch:6C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
1480"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1044,8707183191519532980,13625202766336061960,131072 --enable-features=PasswordImport --disable-gpu-sandbox --use-gl=disabled --gpu-preferences=KAAAAAAAAADgAAAgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=11513620709835497963 --mojo-platform-channel-handle=3800 /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2144"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XeTqwGsAfIqY" /XML "C:\Users\admin\AppData\Local\Temp\tmp72AF.tmp"C:\Windows\System32\schtasks.exe—REVISED INVOICE-PO02876274.scr
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
2236"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Downloads\REVISED INVOICE-PO02876274.pdf.z" C:\Users\admin\Downloads\C:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
2456"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1044,8707183191519532980,13625202766336061960,131072 --enable-features=PasswordImport --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=10016543025323063449 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2248 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2560"C:\Program Files\Google\Chrome\Application\chrome.exe" "https://www.dropbox.com/s/rhkjcnf8a2phnv9/REVISED%20INVOICE-PO02876274.pdf.z?dl=1"C:\Program Files\Google\Chrome\Application\chrome.exe
explorer.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
2768"C:\Users\admin\Downloads\REVISED INVOICE-PO02876274.scr" /SC:\Users\admin\Downloads\REVISED INVOICE-PO02876274.scr—explorer.exe
User:
admin
Company:
AsIaNHaWk™ Creations
Integrity Level:
MEDIUM
Description:
PAYROLL MANAGEMENT SOFTWARE
Exit code:
0
Version:
3.0.0.0
Modules
Images
c:\users\admin\downloads\revised invoice-po02876274.scr
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3008"C:\Users\admin\Downloads\REVISED INVOICE-PO02876274.scr" /SC:\Users\admin\Downloads\REVISED INVOICE-PO02876274.scr
explorer.exe
User:
admin
Company:
AsIaNHaWk™ Creations
Integrity Level:
MEDIUM
Description:
PAYROLL MANAGEMENT SOFTWARE
Exit code:
0
Version:
3.0.0.0
Modules
Images
c:\users\admin\downloads\revised invoice-po02876274.scr
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3232"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1044,8707183191519532980,13625202766336061960,131072 --enable-features=PasswordImport --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=15790417749086081587 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2136 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\75.0.3770.100\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
3328"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
REVISED INVOICE-PO02876274.scr
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Services Installation Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regsvcs.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
1 503
Read events
1 441
Write events
59
Delete events
3

Modification events

(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(984) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:writeName:2560-13247641255574000
Value:
259
(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:dr
Value:
1
(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome
Operation:writeName:UsageStatsInSample
Value:
0
(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:delete valueName:3252-13245750958665039
Value:
0
(PID) Process:(2560) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes
Operation:delete valueName:2560-13247641255574000
Value:
259
Executable files
3
Suspicious files
26
Text files
78
Unknown types
3

Dropped files

PID
Process
Filename
Type
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\BrowserMetrics\BrowserMetrics-5F8E65A8-A00.pma —
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Feature Engagement Tracker\EventDB\LOG.old —
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\c446a7c8-302f-4d7b-b878-d388ea674a09.tmp —
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000048.dbtmp —
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Session Storage\LOG.oldtext
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.oldtext
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.oldtext
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.old~RF2d4173.TMPtext
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.oldtext
MD5:—
SHA256:—
2560chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\AutofillStrikeDatabase\LOG.old~RF2d422e.TMPtext
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
15
DNS requests
10
Threats
18

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3808
chrome.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfqhLjKLEJQZPin0KCzkdAQpVYowQUsT7DaQP4v0cB1JgmGggC72NkK8MCEAx5qUSwjBGVIJJhX%2BJrHYM%3D
US
der
471 b
whitelisted
3808
chrome.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRJ9L2KGL92BpjF3kAtaDtxauTmhgQUPdNQpdagre7zSmAKZdMh1Pj41g8CEAblg20XjDYvMdklb%2BSFKGs%3D
US
der
471 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
3808
chrome.exe
172.217.23.99:443
clientservices.googleapis.com
Google Inc.
US
whitelisted
3808
chrome.exe
162.125.66.1:443
www.dropbox.com
Dropbox, Inc.
DE
shared
3808
chrome.exe
216.58.212.173:443
accounts.google.com
Google Inc.
US
whitelisted
3808
chrome.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3808
chrome.exe
162.125.66.15:443
uc0d81d422f909d1fbeb72cf0068.dl.dropboxusercontent.com
Dropbox, Inc.
DE
malicious
3808
chrome.exe
216.58.207.42:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
3808
chrome.exe
216.58.212.174:443
sb-ssl.google.com
Google Inc.
US
whitelisted
3808
chrome.exe
216.58.207.67:443
ssl.gstatic.com
Google Inc.
US
whitelisted
—
—
216.58.207.67:443
ssl.gstatic.com
Google Inc.
US
whitelisted
3808
chrome.exe
172.217.22.67:443
www.gstatic.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
www.dropbox.com
  • 162.125.66.1
shared
clientservices.googleapis.com
  • 172.217.23.99
whitelisted
accounts.google.com
  • 216.58.212.173
shared
ocsp.digicert.com
  • 93.184.220.29
whitelisted
uc0d81d422f909d1fbeb72cf0068.dl.dropboxusercontent.com
  • 162.125.66.15
malicious
safebrowsing.googleapis.com
  • 216.58.207.42
whitelisted
sb-ssl.google.com
  • 216.58.212.174
whitelisted
ssl.gstatic.com
  • 216.58.207.67
whitelisted
www.gstatic.com
  • 172.217.22.67
whitelisted
clients1.google.com
  • 172.217.22.78
whitelisted

Threats

PID
Process
Class
Message
3328
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
3328
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
3328
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
3328
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
3328
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
3328
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
3328
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
11 ETPRO signatures available at the full report
No debug info
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Reports
https://www.dropbox.com/s/rhkjcnf8a2phnv9/REVISED%20INVOICE-PO02876274.pdf.z?dl=1