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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
    10/10/2024, 01:56

General

  • Target

    94e9cd4c7125bdf859f682930ceaafc0d5177deeb16e4e2156ff677a01d80fcc.exe

  • Size

    852KB

  • MD5

    aa67be097b6ad9ce0161cbd43811af0e

  • SHA1

    3b72c695f2b414787f2b1bfadb844b32c17bb1fb

  • SHA256

    94e9cd4c7125bdf859f682930ceaafc0d5177deeb16e4e2156ff677a01d80fcc

  • SHA512

    3ad78c87c0ebfdbc00e55b877ca39e078e72603e736b4def74a9ca828946b18ec671eb5b68de0566a135f07856e6d347916b7730097f0ac16c4953d2a11d4e6b

  • SSDEEP

    12288:adsLqWAo7LUHFsv2CZWvEdHjg9aS8yLbdkJNRVsKQ5PiOVSbmEOjkR:kseWAkYmv2CZWM1jCalYCJ5mDQaEO2

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7799499545:AAEerwdX3sXYjlnt9J5Vw428iYgRmabJfoY/sendMessage?chat_id=6595599138

Signatures

  • VIPKeylogger

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 4 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94e9cd4c7125bdf859f682930ceaafc0d5177deeb16e4e2156ff677a01d80fcc.exe
    "C:\Users\Admin\AppData\Local\Temp\94e9cd4c7125bdf859f682930ceaafc0d5177deeb16e4e2156ff677a01d80fcc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ArvtDfKRFZd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ArvtDfKRFZd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp787A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2708
    • C:\Users\Admin\AppData\Local\Temp\94e9cd4c7125bdf859f682930ceaafc0d5177deeb16e4e2156ff677a01d80fcc.exe
      "C:\Users\Admin\AppData\Local\Temp\94e9cd4c7125bdf859f682930ceaafc0d5177deeb16e4e2156ff677a01d80fcc.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:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp787A.tmp

    Filesize

    1KB

    MD5

    042eb226b932ed7069c6a74dd5340436

    SHA1

    ae4d529da3282a0dd4261598876d7e27bae78096

    SHA256

    a3683d9bdc9d01e12317988760367eaf48d59ccc1b578e5d60ade0d1b1e1cd89

    SHA512

    8b3211c5b7a38bf014761f05b05021453368c4678f0c99ab3dc80becb9aefe565e9db601ff128dae430b88b36c22b3ee6f892b4d7d205b666d67de748f3a5eea

  • memory/2508-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2508-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2508-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2508-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2508-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2508-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2508-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2508-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3064-2-0x0000000074200000-0x00000000748EE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-6-0x00000000052F0000-0x000000000537A000-memory.dmp

    Filesize

    552KB

  • memory/3064-1-0x0000000000960000-0x0000000000A38000-memory.dmp

    Filesize

    864KB

  • memory/3064-0-0x000000007420E000-0x000000007420F000-memory.dmp

    Filesize

    4KB

  • memory/3064-5-0x0000000074200000-0x00000000748EE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-4-0x000000007420E000-0x000000007420F000-memory.dmp

    Filesize

    4KB

  • memory/3064-3-0x0000000000600000-0x0000000000618000-memory.dmp

    Filesize

    96KB

  • memory/3064-26-0x0000000074200000-0x00000000748EE000-memory.dmp

    Filesize

    6.9MB