Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    19-10-2021 11:47

General

  • Target

    TDH_71036210065IMG.exe

  • Size

    401KB

  • MD5

    7afe2c262a2733bc25fe30a077621766

  • SHA1

    7d7286e8b502d55d324e53a077d33b6d35780d6f

  • SHA256

    fa5955a750c70b0f3e673f7ae3384a8b2dc952609d98552535e4c1ed928ef2f3

  • SHA512

    a69bcdfa24407f65524d4f9d56c05cfba3096ba8e6d7327f3010a9813e521988d55ab3ed59cd3c3963be9ad418b8374f3ee0a88a8d53dfb511e88b8897410ccf

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    efinancet.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    BG##kz5dHzND

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.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 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\TDH_71036210065IMG.exe
    "C:\Users\Admin\AppData\Local\Temp\TDH_71036210065IMG.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\TDH_71036210065IMG.exe
      "C:\Users\Admin\AppData\Local\Temp\TDH_71036210065IMG.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/920-122-0x000000000042040E-mapping.dmp

  • memory/920-123-0x0000000000530000-0x0000000000556000-memory.dmp

    Filesize

    152KB

  • memory/920-126-0x0000000004A60000-0x0000000004A61000-memory.dmp

    Filesize

    4KB

  • memory/920-127-0x00000000049C0000-0x0000000004EBE000-memory.dmp

    Filesize

    5.0MB

  • memory/920-128-0x0000000005D30000-0x0000000005D31000-memory.dmp

    Filesize

    4KB

  • memory/1932-115-0x0000000000060000-0x0000000000061000-memory.dmp

    Filesize

    4KB

  • memory/1932-117-0x0000000005B20000-0x0000000005B21000-memory.dmp

    Filesize

    4KB

  • memory/1932-118-0x00000000056C0000-0x00000000056C1000-memory.dmp

    Filesize

    4KB

  • memory/1932-119-0x0000000005610000-0x0000000005611000-memory.dmp

    Filesize

    4KB

  • memory/1932-120-0x00000000056A0000-0x00000000056A1000-memory.dmp

    Filesize

    4KB