Analysis

  • max time kernel
    106s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 03:40

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Users\Admin\AppData\Local\Temp\Po-5865A.exe
      "C:\Users\Admin\AppData\Local\Temp\Po-5865A.exe"
      2⤵
        PID:1316
      • 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:1608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1608-13-0x0000000074950000-0x0000000075100000-memory.dmp

      Filesize

      7.7MB

    • memory/1608-10-0x0000000074950000-0x0000000075100000-memory.dmp

      Filesize

      7.7MB

    • memory/1608-16-0x0000000007620000-0x0000000007B4C000-memory.dmp

      Filesize

      5.2MB

    • memory/1608-15-0x0000000006DC0000-0x0000000006E10000-memory.dmp

      Filesize

      320KB

    • memory/1608-8-0x0000000074950000-0x0000000075100000-memory.dmp

      Filesize

      7.7MB

    • memory/1608-14-0x0000000006F20000-0x00000000070E2000-memory.dmp

      Filesize

      1.8MB

    • memory/1608-7-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/1608-9-0x00000000058C0000-0x000000000595C000-memory.dmp

      Filesize

      624KB

    • memory/4996-4-0x0000000074950000-0x0000000075100000-memory.dmp

      Filesize

      7.7MB

    • memory/4996-6-0x0000000005720000-0x0000000005770000-memory.dmp

      Filesize

      320KB

    • memory/4996-1-0x0000000000A90000-0x0000000000AF4000-memory.dmp

      Filesize

      400KB

    • memory/4996-12-0x0000000074950000-0x0000000075100000-memory.dmp

      Filesize

      7.7MB

    • memory/4996-0-0x000000007495E000-0x000000007495F000-memory.dmp

      Filesize

      4KB

    • memory/4996-5-0x0000000005710000-0x000000000571A000-memory.dmp

      Filesize

      40KB

    • memory/4996-3-0x00000000054F0000-0x0000000005582000-memory.dmp

      Filesize

      584KB

    • memory/4996-2-0x0000000005B60000-0x0000000006104000-memory.dmp

      Filesize

      5.6MB