Analysis

  • max time kernel
    120s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 05:05

General

  • Target

    990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc.exe

  • Size

    678KB

  • MD5

    fdaef229d13c2bcc3e77d014e212df37

  • SHA1

    b3388caac9ac89e726d3071199db68bfb6ffd4e6

  • SHA256

    990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc

  • SHA512

    ad494c3d831d85130257121ab02abb317ecb6fe7880ff80279e96e8154cb1e85c241ec243927870edd839421e8ca1311ee982a0217107a864cc674d6121a9339

  • SSDEEP

    12288:/Pd/s0yUl5ptr5FbWfPSttY6fSqT6qLszevl4sGb9PDpYsgSYOhHOsKZ9xQG3it+:tVLDqSttfKIL8evlxGPYsgSzusizQft+

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc.exe
    "C:\Users\Admin\AppData\Local\Temp\990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2980
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZcgrIFGxa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZcgrIFGxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp37B3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2776
    • C:\Users\Admin\AppData\Local\Temp\990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc.exe
      "C:\Users\Admin\AppData\Local\Temp\990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp37B3.tmp

    Filesize

    1KB

    MD5

    0d9cf3b7823f25e1a848164f14f70b4c

    SHA1

    2b992700136f907bfe97de9ff89f99c2f6c402a2

    SHA256

    5674f1269f9856084873136c7db375e90b1eba508d1dedad301bde79f3e17bbb

    SHA512

    41ffe72e62cdcaea3be605f8bccad231de8c273a780839f42341e9d5a0fbb82a494b9c0442aa127455298abe3cd950f778a2878d253c1880017d4b97ec5335f2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FBLIMM4CAGVEK1HT4YFW.temp

    Filesize

    7KB

    MD5

    1d3df959fe26d8559132a8810aebf0b5

    SHA1

    a984e3e32ac1ea8591a70538f5b9f26b93dbfaef

    SHA256

    a04eafc7557f925511b98b67c8a4718c3cc69abd818f36949b7440168b50d685

    SHA512

    f146d51dcb51407257488585f641d977ac2223bbd4bc4dd7f51817c531b8d1383c2e0ab91f136e15fc07676dcec406138f70661465f6244cdccde164ec92a622

  • memory/2236-4-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-32-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2236-5-0x0000000000390000-0x00000000003A2000-memory.dmp

    Filesize

    72KB

  • memory/2236-6-0x0000000005CF0000-0x0000000005D7E000-memory.dmp

    Filesize

    568KB

  • memory/2236-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-1-0x00000000008F0000-0x00000000009A0000-memory.dmp

    Filesize

    704KB

  • memory/2236-3-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2672-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2672-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2672-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2672-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2672-31-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2672-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2672-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2672-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB