Analysis

  • max time kernel
    87s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2023, 04:38

General

  • Target
    PO IMO No. 9243502.exe
  • Size 752KB
  • Sample230614-e9dh7sch98
  • SHA256 5c0f9b792a93d6445bc4828d26e1a22723276efc19e6e97b8c8548c890bd0f00
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot6072666903:AAGlS5SjiwZOiMgKvOlUpt3R5EGSQDbbP0M/sendMessage?chat_id=6179718104

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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 1 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\PO IMO No. 9243502.exe
    "C:\Users\Admin\AppData\Local\Temp\PO IMO No. 9243502.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Users\Admin\AppData\Local\Temp\PO IMO No. 9243502.exe
      "C:\Users\Admin\AppData\Local\Temp\PO IMO No. 9243502.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2068

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PO IMO No. 9243502.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO IMO No. 9243502.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/748-133-0x00000000001E0000-0x00000000002A0000-memory.dmp

        memory/748-134-0x00000000052A0000-0x0000000005844000-memory.dmp

        memory/748-135-0x0000000004C10000-0x0000000004CA2000-memory.dmp

        memory/748-136-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

        memory/748-137-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

        memory/748-138-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

        memory/748-139-0x0000000005CC0000-0x0000000005D5C000-memory.dmp

        memory/2068-140-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/2068-143-0x0000000005B60000-0x0000000005B70000-memory.dmp

        memory/2068-144-0x0000000006BF0000-0x0000000006DB2000-memory.dmp

        memory/2068-145-0x0000000005B60000-0x0000000005B70000-memory.dmp