Analysis

  • max time kernel
    151s
  • max time network
    161s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    30/08/2021, 07:42

General

  • Target
    5f04f443d30eb1ff89bf3acaffbc5d72.exe
  • Size 1016KB
  • Sample210830-dlnbrn34mn
  • SHA256 8357ddd0adcd00a22b6c8d30af16c9e5d44014e98396d16ad336c4495e9b70a6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot1880141509:AAHjseWsCVnzygKB72YGbdj6S0DpdeKfGSs/sendMessage?chat_id=565072597

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f04f443d30eb1ff89bf3acaffbc5d72.exe
    "C:\Users\Admin\AppData\Local\Temp\5f04f443d30eb1ff89bf3acaffbc5d72.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Users\Admin\AppData\Local\Temp\5f04f443d30eb1ff89bf3acaffbc5d72.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1420

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/572-119-0x0000000004C50000-0x0000000004C51000-memory.dmp

        memory/572-123-0x00000000096D0000-0x0000000009752000-memory.dmp

        memory/572-118-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

        memory/572-114-0x00000000001F0000-0x00000000001F1000-memory.dmp

        memory/572-120-0x0000000004F00000-0x0000000004F01000-memory.dmp

        memory/572-121-0x0000000004D00000-0x00000000051FE000-memory.dmp

        memory/572-117-0x0000000005200000-0x0000000005201000-memory.dmp

        memory/572-116-0x0000000004C60000-0x0000000004C61000-memory.dmp

        memory/572-122-0x0000000002520000-0x000000000252E000-memory.dmp

        memory/572-124-0x0000000006AB0000-0x0000000006AE9000-memory.dmp

        memory/1420-125-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1420-132-0x0000000004FA0000-0x000000000549E000-memory.dmp

        memory/1420-134-0x00000000061A0000-0x00000000061A1000-memory.dmp

        memory/1420-135-0x00000000063E0000-0x00000000063E1000-memory.dmp