Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/11/2022, 07:00

General

  • Target
    Faktur pajak.exe
  • Size 729KB
  • Sample221114-hsp3fsfd92
  • SHA256 76bb452ff2245c99b1fbbd56e9e5b3058322ab10bf2dc814b030fb8c6b5a1ccc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot5478319803:AAHq9LkDUFBRvjOub4YfRlPURZxM59_BVnc/sendMessage?chat_id=5516439768

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 2 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Faktur pajak.exe
    "C:\Users\Admin\AppData\Local\Temp\Faktur pajak.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Local\Temp\Faktur pajak.exe
      "C:\Users\Admin\AppData\Local\Temp\Faktur pajak.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4748

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4500-132-0x00000000009F0000-0x0000000000AAC000-memory.dmp

        memory/4500-133-0x0000000005A50000-0x0000000005FF4000-memory.dmp

        memory/4500-134-0x00000000054A0000-0x0000000005532000-memory.dmp

        memory/4500-135-0x0000000005430000-0x000000000543A000-memory.dmp

        memory/4500-136-0x0000000007DE0000-0x0000000007E7C000-memory.dmp

        memory/4748-138-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/4748-139-0x00000000063D0000-0x0000000006592000-memory.dmp