Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 06:22

General

  • Target

    Curriculum Vitae Estrella Torres.exe

  • Size

    864KB

  • MD5

    abc05276ba6305e8fdbf08b1cfa8a005

  • SHA1

    50aa13bd7ef461bce463b6d3d033d89c22bb22e0

  • SHA256

    c43f4d0f453155a1a2b83f793bcaf83429cc7c6452f430a1763eec9a31fd70a0

  • SHA512

    7fe9ad83fdcec2ba857b9ad65056e3b9e94db7f402de266005ea1c086214803df28f8ca1ca1ce739fa4b513a77a5f950c2ad9aaad88895c8a00042d2c6bbe5ef

  • SSDEEP

    24576:VBoxRSK/hLdpel2qkQTeYH0EA66TdCrfs4Pix12bUsua:cHSYdckQ6Y5A55CNPix12Vu

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7771785357:AAGIjPnBZrH4W2USOpZoA66yRS239AIaI8U/sendMessage?chat_id=6370711846

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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe
    "C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe
      "C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.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:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Curriculum Vitae Estrella Torres.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2508-12-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2508-22-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2508-21-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2508-20-0x0000000006C40000-0x000000000716C000-memory.dmp

    Filesize

    5.2MB

  • memory/2508-19-0x00000000063C0000-0x0000000006410000-memory.dmp

    Filesize

    320KB

  • memory/2508-18-0x0000000006540000-0x0000000006702000-memory.dmp

    Filesize

    1.8MB

  • memory/2508-17-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2508-15-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-5-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-10-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-11-0x0000000004D80000-0x0000000004E0C000-memory.dmp

    Filesize

    560KB

  • memory/2996-9-0x000000007534E000-0x000000007534F000-memory.dmp

    Filesize

    4KB

  • memory/2996-8-0x0000000005F50000-0x0000000005F6C000-memory.dmp

    Filesize

    112KB

  • memory/2996-16-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-7-0x0000000006C00000-0x0000000006CD4000-memory.dmp

    Filesize

    848KB

  • memory/2996-6-0x00000000055F0000-0x000000000568C000-memory.dmp

    Filesize

    624KB

  • memory/2996-0-0x000000007534E000-0x000000007534F000-memory.dmp

    Filesize

    4KB

  • memory/2996-4-0x0000000005270000-0x000000000527A000-memory.dmp

    Filesize

    40KB

  • memory/2996-3-0x0000000005300000-0x0000000005392000-memory.dmp

    Filesize

    584KB

  • memory/2996-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

    Filesize

    5.6MB

  • memory/2996-1-0x00000000007A0000-0x000000000087C000-memory.dmp

    Filesize

    880KB