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Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2024, 11:38

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:1480
    • 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:2812
    • 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:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZcgrIFGxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B7A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2612
    • 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:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3B7A.tmp

    Filesize

    1KB

    MD5

    cc09728762bb860f9490157356bdba67

    SHA1

    9388549b29e64c08119949563c8ae52c98f2158c

    SHA256

    4931333bc6ed99a6b3f32c338519e3eb68cab888148f65751a7b0d1a1114fdcf

    SHA512

    a6125102673b6405ded90ec60a9f5fad12d0895e404f6b08413d37a48ff4d9ea232aa82d3db58135af6adf57af3c64451fa37e3c7170869137afe10cfbe1f6c4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    1fce2ed75a7ac50d0792e370413cf180

    SHA1

    9ecb3f79f9246d183510f759a3d4584792930d71

    SHA256

    b030252df8d378d365003294ccebd77ea8be414fc476fb784047f94fa4636060

    SHA512

    67cc940eca53f3d0a0f37c3ff07b660fa14f2a951153ef90d5673adb391c7abaecdd41cf737e121efc039293cdc2967b9db6aefb211f99a587efc9fb87361ece

  • memory/1480-4-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1480-31-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1480-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

  • memory/1480-5-0x0000000000890000-0x00000000008A2000-memory.dmp

    Filesize

    72KB

  • memory/1480-6-0x0000000005090000-0x000000000511E000-memory.dmp

    Filesize

    568KB

  • memory/1480-2-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1480-1-0x0000000000DF0000-0x0000000000EA0000-memory.dmp

    Filesize

    704KB

  • memory/1480-3-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

  • memory/1500-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1500-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1500-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1500-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1500-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1500-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1500-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1500-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB