Analysis

  • max time kernel
    118s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 14:43

General

  • Target

    fef805cfe8df23b5e42e59c3505ba7b9014c2cf3e9ac9346b3badba3c086053c.exe

  • Size

    1.1MB

  • MD5

    eb8c8acae9d3a669129902384f5335b2

  • SHA1

    f0f9aa5f20c2721eacc7e2b660c46b585b653ee2

  • SHA256

    fef805cfe8df23b5e42e59c3505ba7b9014c2cf3e9ac9346b3badba3c086053c

  • SHA512

    5c62016f2b7b6fbfdba82539effc1c9dd65e0a3bc0df92210637d500562cfae01572866578a57d080c3247433da0f5845688adef74fd7467d08c7ba564c74fa3

  • SSDEEP

    24576:9qDEvCTbMWu7rQYlBQcBiT6rprG8aeMExfQ:9TvC/MTQYxsWR7aeMk

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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fef805cfe8df23b5e42e59c3505ba7b9014c2cf3e9ac9346b3badba3c086053c.exe
    "C:\Users\Admin\AppData\Local\Temp\fef805cfe8df23b5e42e59c3505ba7b9014c2cf3e9ac9346b3badba3c086053c.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Thebesian\reindulgence.exe
      "C:\Users\Admin\AppData\Local\Temp\fef805cfe8df23b5e42e59c3505ba7b9014c2cf3e9ac9346b3badba3c086053c.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\fef805cfe8df23b5e42e59c3505ba7b9014c2cf3e9ac9346b3badba3c086053c.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\brontothere

    Filesize

    268KB

    MD5

    f981d2d45995304b8076b4f0e583862b

    SHA1

    76d4483836ecd73b0996350d6f1c5626c2c06b9c

    SHA256

    0d75bd58502e3259a0d45a61086cb7658eb24b747a3fcd5749bd5c47ab89828a

    SHA512

    1ed0c1fc6afd04769a08956d04fe772cc0fb84ef7b1d766127ddd6ec707b4ddbaa25bb9973df8cec114caa29fe2223ecb4e02d5642a8f7682cae837db78d59be

  • \Users\Admin\AppData\Local\Thebesian\reindulgence.exe

    Filesize

    1.1MB

    MD5

    eb8c8acae9d3a669129902384f5335b2

    SHA1

    f0f9aa5f20c2721eacc7e2b660c46b585b653ee2

    SHA256

    fef805cfe8df23b5e42e59c3505ba7b9014c2cf3e9ac9346b3badba3c086053c

    SHA512

    5c62016f2b7b6fbfdba82539effc1c9dd65e0a3bc0df92210637d500562cfae01572866578a57d080c3247433da0f5845688adef74fd7467d08c7ba564c74fa3

  • memory/2100-6-0x0000000000820000-0x0000000000C20000-memory.dmp

    Filesize

    4.0MB

  • memory/2408-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2408-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2408-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2408-27-0x000000007443E000-0x000000007443F000-memory.dmp

    Filesize

    4KB

  • memory/2408-28-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-29-0x000000007443E000-0x000000007443F000-memory.dmp

    Filesize

    4KB

  • memory/2408-30-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2544-20-0x0000000000870000-0x0000000000C70000-memory.dmp

    Filesize

    4.0MB