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Analysis

  • max time kernel
    117s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2025, 11:28

General

  • Target

    Mechanical Tendering Engineer – Infrastructure.exe

  • Size

    821KB

  • MD5

    429c7a3322bd34eafacec92baba5ec09

  • SHA1

    61bbaec2ed91d5885cb2ee21e23b781ac91824d9

  • SHA256

    071d0a5405c4bc0d3319aa4756ad6afb703c8462d1a6d616765eeae22dcdbd30

  • SHA512

    8181ee44d934d6303f4ad2414741d4b422cdc2b038332ed13330bc6c8b3eb75d57dd1905a976a24ba40a78a2634c11539338db141ada5e4e810c2bef464c4d33

  • SSDEEP

    12288:qKY00jgMZ9+x/KDUBfssWfQoIGEcFC/oqE1TqIKqmuUN93ANpe0:qKdjMZ9+x/pBEDfycFC/A1tZmV3el

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 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 3 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\Mechanical Tendering Engineer – Infrastructure.exe
    "C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cWGcrDZzGfui.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cWGcrDZzGfui" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE60B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2672
    • C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.exe
      "C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.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:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE60B.tmp

    Filesize

    1KB

    MD5

    34e36801c52826cfb023646688e2edf5

    SHA1

    17ff3e2436e90e5a5f4adef243b8a80c83adfd4b

    SHA256

    3d47f408f2453200329690075dd6264b319861c57cbd99c5e15186193543b747

    SHA512

    0c805f82a2cc9a411aefee21466e42dd5988c6e69f048215982316fedf7e5530ea309bd8bea1f7b3d73bd8b38d07d96762ab48815a20ebccaaf0deb0141f7c73

  • memory/2196-26-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-1-0x0000000000AE0000-0x0000000000BB2000-memory.dmp

    Filesize

    840KB

  • memory/2196-2-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-3-0x0000000000460000-0x000000000047E000-memory.dmp

    Filesize

    120KB

  • memory/2196-4-0x000000007428E000-0x000000007428F000-memory.dmp

    Filesize

    4KB

  • memory/2196-5-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-6-0x0000000005570000-0x00000000055FE000-memory.dmp

    Filesize

    568KB

  • memory/2196-0-0x000000007428E000-0x000000007428F000-memory.dmp

    Filesize

    4KB

  • memory/2772-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2772-27-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2772-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2772-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2772-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2772-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2772-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2772-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB