File name:

UserOverflow.zip

Full analysis: https://app.any.run/tasks/51ac5875-c56e-4ecf-acba-a381cb01e756
Verdict: Malicious activity
Analysis date: November 30, 2020, 02:55:39
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/zip
File info: Zip archive data, at least v5.1 to extract
MD5:

E63EB8701ABEAFC17E18807F996A2C4B

SHA1:

E11387F6C188416F43E1A72F4FFDD759F4E43E54

SHA256:

7EAFD43C18F9613D762567CB5E00D58DF71208D6B94C23D634DAEC42170E0D6C

SSDEEP:

12288:3vKCI7fDejRGO3Aq/GYakzIbNmUywpTMwWEMnPz4:fKCI7mLANFkGtMwlyL4

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

      • Endermanch@UserOverflow.exe (PID: 1744)

    • Starts NET.EXE to view/add/change user profiles

      • Endermanch@UserOverflow.exe (PID: 1744)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 1724)

    • Executed via COM

      • DllHost.exe (PID: 2064)

    • Starts Internet Explorer

      • Endermanch@UserOverflow.exe (PID: 1744)

  • INFO

    • Application launched itself

      • iexplore.exe (PID: 3672)

    • Changes internet zones settings

      • iexplore.exe (PID: 3672)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 2952)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 51
ZipBitFlag: 0x0001
ZipCompression: Unknown (99)
ZipModifyDate: 2018:12:02 22:04:29
ZipCRC: 0x00000000
ZipCompressedSize: 577729
ZipUncompressedSize: 591872
ZipFileName: Endermanch@UserOverflow.exe
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
342
Monitored processes
205
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start winrar.exe endermanch@useroverflow.exe no specs iexplore.exe no specs iexplore.exe net.exe no specs net.exe no specs net.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs PhotoViewer.dll no specs

Process information

PID
CMD
Path
Indicators
Parent process
256C:\Windows\system32\net1 user user99 death /addC:\Windows\system32\net1.exe—net.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.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\dsrole.dll
c:\windows\system32\netutils.dll
272C:\Windows\system32\net1 user user20 death /addC:\Windows\system32\net1.exe—net.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.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\dsrole.dll
c:\windows\system32\netutils.dll
276C:\Windows\system32\net1 user user74 death /addC:\Windows\system32\net1.exe—net.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.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\dsrole.dll
c:\windows\system32\netutils.dll
532C:\Windows\system32\net1 user user61 death /addC:\Windows\system32\net1.exe—net.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.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\dsrole.dll
c:\windows\system32\netutils.dll
548"C:\Windows\System32\net.exe" user user16 death /addC:\Windows\System32\net.exe—Endermanch@UserOverflow.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
564"C:\Windows\System32\net.exe" user user94 death /addC:\Windows\System32\net.exe—Endermanch@UserOverflow.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
568"C:\Windows\System32\net.exe" user user52 death /addC:\Windows\System32\net.exe—Endermanch@UserOverflow.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
592"C:\Windows\System32\net.exe" user user34 death /addC:\Windows\System32\net.exe—Endermanch@UserOverflow.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
684"C:\Windows\System32\net.exe" user user6 death /addC:\Windows\System32\net.exe—Endermanch@UserOverflow.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
752C:\Windows\system32\net1 user user41 death /addC:\Windows\system32\net1.exe—net.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.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\dsrole.dll
c:\windows\system32\netutils.dll
Total events
959
Read events
898
Write events
60
Delete events
1

Modification events

(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(1724) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\UserOverflow.zip
(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface
Operation:writeName:ShowPassword
Value:
0
(PID) Process:(1724) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface
Operation:writeName:ShowPassword
Value:
1
Executable files
1
Suspicious files
10
Text files
0
Unknown types
4

Dropped files

PID
Process
Filename
Type
2952iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Cab2AA3.tmp —
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Tar2AA4.tmp —
MD5:—
SHA256:—
3672iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFAE7F9DB9AFCC2313.TMP —
MD5:—
SHA256:—
3672iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFA9D94A04317A0012.TMP —
MD5:—
SHA256:—
3672iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF0895F8333AFB122F.TMP —
MD5:—
SHA256:—
3672iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF4BE6593B18847989.TMP —
MD5:—
SHA256:—
3672iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{BCFFF6AD-32B7-11EB-8E7A-12A9866C77DE}.dat —
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CC197601BE0898B7B0FCC91FA15D8A69_7C1C45A209E1552633930171FD75B297binary
MD5:—
SHA256:—
3672iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{BCFFF6AF-32B7-11EB-8E7A-12A9866C77DE}.datbinary
MD5:—
SHA256:—
2952iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CC197601BE0898B7B0FCC91FA15D8A69_7C1C45A209E1552633930171FD75B297der
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
7
DNS requests
5
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1528
werfault.exe
GET
—
13.88.21.125:80
http://watson.microsoft.com/StageOne/Generic/AppHangB1/dllhost_exe/6_1_7600_16385/4a5bc6b7/2a4b/0.htm?LCID=1033&OS=6.1.7601.2.00010100.1.0.48.17514&SM=DELL&SPN=DELL&BV=DELL&MID=3ADE2C42-4AB9-49B7-B142-BE9AEEA69063
US
—
—
whitelisted
2952
iexplore.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gts1o1core/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEQD76E8xQFZstgIAAAAAgFWS
US
der
472 b
whitelisted
2952
iexplore.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gsr2/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBTgXIsxbvr2lBkPpoIEVRE6gHlCnAQUm%2BIHV2ccHsBqBt5ZtJot39wZhi4CDQHjtJqhjYqpgSVpULg%3D
US
der
468 b
whitelisted
2952
iexplore.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gts1o1core/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEQD76E8xQFZstgIAAAAAgFWS
US
der
472 b
whitelisted
2952
iexplore.exe
GET
200
172.217.18.99:80
http://ocsp.pki.goog/gsr2/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBTgXIsxbvr2lBkPpoIEVRE6gHlCnAQUm%2BIHV2ccHsBqBt5ZtJot39wZhi4CDQHjtJqhjYqpgSVpULg%3D
US
der
468 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
2952
iexplore.exe
64.233.168.91:443
youtube.com
Google Inc.
US
unknown
2952
iexplore.exe
172.217.18.99:80
ocsp.pki.goog
Google Inc.
US
whitelisted
2952
iexplore.exe
64.233.169.190:443
www.youtube.com
Google Inc.
US
unknown
1528
werfault.exe
13.88.21.125:80
watson.microsoft.com
Microsoft Corporation
US
suspicious

DNS requests

Domain
IP
Reputation
youtube.com
  • 64.233.168.91
  • 64.233.168.93
  • 64.233.168.190
  • 64.233.168.136
whitelisted
ocsp.pki.goog
  • 172.217.18.99
whitelisted
www.youtube.com
  • 64.233.169.190
  • 173.194.199.91
  • 173.194.70.190
  • 64.233.179.190
  • 64.233.178.93
  • 173.194.201.91
  • 64.233.160.136
  • 173.194.67.136
  • 64.233.168.190
  • 64.233.179.136
  • 64.233.180.190
  • 173.194.70.93
  • 64.233.169.91
  • 64.233.180.93
  • 142.250.30.93
  • 64.233.180.136
whitelisted
watson.microsoft.com
  • 13.88.21.125
whitelisted

Threats

PID
Process
Class
Message
1528
werfault.exe
Potential Corporate Privacy Violation
ET POLICY Application Crash Report Sent to Microsoft
1528
werfault.exe
Unknown Traffic
ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW)
No debug info
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Reports
UserOverflow.zip