Analysis

  • max time kernel
    118s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 07:38

General

  • Target

    Po-5865A.exe

  • Size

    372KB

  • MD5

    b6cc16fae7d4f3ce14186b64a470bf8b

  • SHA1

    f12cad09a8680cfdad9b917a65f14a62e1d24ee1

  • SHA256

    0f4ab8526c11090dbf09fd353384e14cf3af8c40646fb7cd67810feda230bae0

  • SHA512

    462ee669d6d8b83d15c8075dbb598677671d2c024341bf6813229a09a9d587a0b73386c96c96f0c5092a6d14e6175c120e43e43289b014477b38033a4b92bb2d

  • SSDEEP

    6144:D3mVSTcqfFrDOJfSLTJfJQ/zOjffRzF1wwJrDA0gbSyZDSQOwfPnRjH/Zc3Ys+q1:YSrt+K/JRzF1wwJrDA0gbfcEfvRjBcPu

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7925978922:AAECifW4bGh1utN6hfeEFfhRG36owOqQd_I/sendMessage?chat_id=7373943284

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Po-5865A.exe
    "C:\Users\Admin\AppData\Local\Temp\Po-5865A.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Users\Admin\AppData\Local\Temp\Po-5865A.exe
      "C:\Users\Admin\AppData\Local\Temp\Po-5865A.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:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1864-4-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1864-15-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1864-19-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1864-3-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1864-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1864-16-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1864-18-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1864-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1864-5-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1864-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1864-6-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2588-14-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2588-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-17-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2588-1-0x0000000000A50000-0x0000000000AB4000-memory.dmp

    Filesize

    400KB

  • memory/2588-2-0x00000000004B0000-0x0000000000500000-memory.dmp

    Filesize

    320KB