Analysis

  • max time kernel
    119s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2024, 14:52

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:2556
    • 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:800
    • 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:2804
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PuVOhw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2836
    • 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:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1D5.tmp

    Filesize

    1KB

    MD5

    aa238bbf29c7580977823509550308f1

    SHA1

    7dab1fac3c04c7b42206527eaa9d36a3735e7997

    SHA256

    af84f5107f5f49056704f1f404052745c451de5d7c5ae5ba1bae2d3fbc8e9938

    SHA512

    d01ac86040efaef36e47eafd4779b89e18cf45ecb7ae6ed4e9e0b2251e255b6770e98fa2e5a690421981144f06e2907b85e0583a2bda8ea455368df197933f55

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

    Filesize

    7KB

    MD5

    8065c222e66184b71b8822d871edd8d3

    SHA1

    781100e67e34baf9739ac9e0ec2b3808f9a25461

    SHA256

    8ecc393800ba8a68efe9fe2bbc2e2d2a3606c60fd4a471389e96db9c6b380689

    SHA512

    ac4f22c8c40453e0741a6b17bc137bd496c01b7eddeff6b8d0a6fb8a1daa4c849b36fa185ec42ba71284b4c5d09ac4967c49677362c3fb50527f5f760da71716

  • memory/2556-4-0x000000007403E000-0x000000007403F000-memory.dmp

    Filesize

    4KB

  • memory/2556-31-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-0-0x000000007403E000-0x000000007403F000-memory.dmp

    Filesize

    4KB

  • memory/2556-5-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-6-0x0000000000410000-0x000000000049C000-memory.dmp

    Filesize

    560KB

  • memory/2556-2-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-1-0x0000000000340000-0x0000000000408000-memory.dmp

    Filesize

    800KB

  • memory/2556-3-0x00000000002E0000-0x00000000002FE000-memory.dmp

    Filesize

    120KB

  • memory/2896-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2896-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2896-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2896-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2896-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2896-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2896-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2896-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB