Analysis

  • max time kernel
    81s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2022, 17:10

General

  • Target
    7f7888ca6785f4ae0a715e3d472c3d96.exe
  • Size 762KB
  • Sample220720-vpn27scda5
  • SHA256 15c171b2ae101eb8ab808fe5f0f712f060c0e2e260eaf2b5e656be0573b03ff5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662

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 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\7f7888ca6785f4ae0a715e3d472c3d96.exe
    "C:\Users\Admin\AppData\Local\Temp\7f7888ca6785f4ae0a715e3d472c3d96.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Users\Admin\AppData\Local\Temp\7f7888ca6785f4ae0a715e3d472c3d96.exe
      "C:\Users\Admin\AppData\Local\Temp\7f7888ca6785f4ae0a715e3d472c3d96.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3516

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7f7888ca6785f4ae0a715e3d472c3d96.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7f7888ca6785f4ae0a715e3d472c3d96.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/3516-136-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/3516-138-0x0000000006870000-0x0000000006A32000-memory.dmp

        memory/3620-130-0x0000000000770000-0x0000000000834000-memory.dmp

        memory/3620-131-0x0000000005880000-0x0000000005E24000-memory.dmp

        memory/3620-132-0x00000000051E0000-0x0000000005272000-memory.dmp

        memory/3620-133-0x00000000051C0000-0x00000000051CA000-memory.dmp

        memory/3620-134-0x0000000007760000-0x00000000077FC000-memory.dmp