Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2024, 14:50

General

  • Target

    f5af8baf6ef16bf20764cd701bd86369b52f5d554c8b1eca44b7515ebda6fa02.exe

  • Size

    778KB

  • MD5

    8cb8bc8ad491a00b848bd1f3968b8fd4

  • SHA1

    3c98d7c02209b99587c65bcfa3501f61c9980023

  • SHA256

    f5af8baf6ef16bf20764cd701bd86369b52f5d554c8b1eca44b7515ebda6fa02

  • SHA512

    90e6dba18ae58126e003fd8a351b721b38f73e293d57b46b0d6e572d45da02a1bfb8a72c16b2b136343596c41ba991a26e0fb6691d2bde831131e55de22f6be4

  • SSDEEP

    12288:72D00lxDCO7/6fu4GVCijrHaAf01YNb9DCmDsneR44NPOnqpKPx9h:Di6WLokHJfcGDsneRvRsZ

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.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5af8baf6ef16bf20764cd701bd86369b52f5d554c8b1eca44b7515ebda6fa02.exe
    "C:\Users\Admin\AppData\Local\Temp\f5af8baf6ef16bf20764cd701bd86369b52f5d554c8b1eca44b7515ebda6fa02.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2124
    • 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\f5af8baf6ef16bf20764cd701bd86369b52f5d554c8b1eca44b7515ebda6fa02.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PuVOhw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PuVOhw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp191C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2204
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp191C.tmp

    Filesize

    1KB

    MD5

    44f61d1a999fa9fe6e30ee31c8887dbe

    SHA1

    2ebb0d8fcba665fc53969033d7b0618e79f678bb

    SHA256

    ab446f54bd741a20e9bdd1abac5e87086ec92fd0db960e859715706238d3f560

    SHA512

    a99a60310af5f8921183c2bdc30159e60ba21d1fa56695b51f70f019dff322da2e935925b0674eabef366b09b0ae2753146668a951d45631a8a03c5b1ed9d1bf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\WZJD7BP2HZIHDUKYADPB.temp

    Filesize

    7KB

    MD5

    0d721fc00682b79b3266781e3b3abcab

    SHA1

    0250d75dda8d7a32b1db4ff3e4cefb1fe05959bb

    SHA256

    4f32b464cae2837398484cb15500273463137db1c8c86d1e039747d497c31ba8

    SHA512

    90403ffb48a5aed873b84a98f83454636963b628a6ec0dad492e8d86f42481fd2f6bc9de5845526f7e6a5224186b297270cb4bc53fba88742ed9496b500587f8

  • memory/2124-4-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/2124-31-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2124-0-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/2124-5-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2124-6-0x0000000000550000-0x00000000005DC000-memory.dmp

    Filesize

    560KB

  • memory/2124-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2124-1-0x0000000000E30000-0x0000000000EF8000-memory.dmp

    Filesize

    800KB

  • memory/2124-3-0x00000000003A0000-0x00000000003BE000-memory.dmp

    Filesize

    120KB

  • memory/2764-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2764-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB