Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 09:55

General

  • Target

    39bfc41b1b43a5319ca1c0b1df4906b2ff41c120223f372e85a696432667fd93.exe

  • Size

    1.0MB

  • MD5

    0cf95a046681822e11ceac015721f1e5

  • SHA1

    587fbfe709fc545ee76a8a14d92922d2dd52218d

  • SHA256

    39bfc41b1b43a5319ca1c0b1df4906b2ff41c120223f372e85a696432667fd93

  • SHA512

    530bd8db736eb78c964908534ab61a5505912b7fd08002bcb14fd98c8e744b7c8dae2ac626e820b034433a9f2dced49ff838fa7eca4557c9eb3775d110454198

  • SSDEEP

    12288:iinBuTVLJDKmYfcg2+kfx3n5ElUjJbxVS/84dxOXknXg:HBIDKm/5x3ylUt9V4TOXAX

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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39bfc41b1b43a5319ca1c0b1df4906b2ff41c120223f372e85a696432667fd93.exe
    "C:\Users\Admin\AppData\Local\Temp\39bfc41b1b43a5319ca1c0b1df4906b2ff41c120223f372e85a696432667fd93.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2308
    • 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\39bfc41b1b43a5319ca1c0b1df4906b2ff41c120223f372e85a696432667fd93.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:320
    • C:\Users\Admin\AppData\Local\Temp\39bfc41b1b43a5319ca1c0b1df4906b2ff41c120223f372e85a696432667fd93.exe
      "C:\Users\Admin\AppData\Local\Temp\39bfc41b1b43a5319ca1c0b1df4906b2ff41c120223f372e85a696432667fd93.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:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2308-21-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-1-0x0000000000E70000-0x0000000000F7E000-memory.dmp

    Filesize

    1.1MB

  • memory/2308-2-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-3-0x00000000006E0000-0x00000000006FE000-memory.dmp

    Filesize

    120KB

  • memory/2308-4-0x000000007478E000-0x000000007478F000-memory.dmp

    Filesize

    4KB

  • memory/2308-5-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-6-0x0000000000570000-0x00000000005FE000-memory.dmp

    Filesize

    568KB

  • memory/2308-0-0x000000007478E000-0x000000007478F000-memory.dmp

    Filesize

    4KB

  • memory/2748-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-20-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-22-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-25-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-26-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB