Analysis

  • max time kernel
    95s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 08:46

General

  • Target

    fbecc83537cf14bcd64530e8c00a8315_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    fbecc83537cf14bcd64530e8c00a8315

  • SHA1

    1191b585660cfb6b26ab9b7e80e1aae5136e0276

  • SHA256

    32f1de5afc9dcd3a7f12a950219cd9e838445681f4089bff7a8f3b2ed05363f5

  • SHA512

    16d1148cae8d274efd3197e60c5204506561c03099495ca3a486e1db38303941e5dd5616c50a61521b0bfd0b4d6a058dd88816ae6d3c0292830acf326a86bd29

  • SSDEEP

    12288:jhGT/f7DSvWN1JuigLYVlaf+dhKeVnVBAzzyDzAKK3LhHWUJ+eBlsi7ZZHEo+:gzHSvi7AYaf+dk+gzzKK3lV6iT

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1634002210:AAGipukUEr-bNBgl2R1_hwFgfb9ez_v6wzE/sendMessage?chat_id=1401219117

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbecc83537cf14bcd64530e8c00a8315_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbecc83537cf14bcd64530e8c00a8315_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "DHL_FORM_000198253367" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\DHL_FORM_000198253367.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "DHL_FORM_000198253367" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\DHL_FORM_000198253367.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3868
    • C:\Users\Admin\AppData\Roaming\DHL_FORM_000198253367.exe
      "C:\Users\Admin\AppData\Roaming\DHL_FORM_000198253367.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1904
      • C:\Users\Admin\AppData\Roaming\DHL_FORM_000198253367.exe
        "C:\Users\Admin\AppData\Roaming\DHL_FORM_000198253367.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 1788
          4⤵
          • Program crash
          PID:4204
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1584 -ip 1584
    1⤵
      PID:2516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\DHL_FORM_000198253367.exe

      Filesize

      1.1MB

      MD5

      fbecc83537cf14bcd64530e8c00a8315

      SHA1

      1191b585660cfb6b26ab9b7e80e1aae5136e0276

      SHA256

      32f1de5afc9dcd3a7f12a950219cd9e838445681f4089bff7a8f3b2ed05363f5

      SHA512

      16d1148cae8d274efd3197e60c5204506561c03099495ca3a486e1db38303941e5dd5616c50a61521b0bfd0b4d6a058dd88816ae6d3c0292830acf326a86bd29

    • memory/1584-34-0x0000000006410000-0x00000000065D2000-memory.dmp

      Filesize

      1.8MB

    • memory/1584-32-0x0000000000900000-0x000000000096A000-memory.dmp

      Filesize

      424KB

    • memory/1904-33-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/1904-29-0x000000000B4C0000-0x000000000B4C6000-memory.dmp

      Filesize

      24KB

    • memory/1904-28-0x00000000089B0000-0x00000000089C4000-memory.dmp

      Filesize

      80KB

    • memory/1904-27-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/1904-26-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/1904-25-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-5-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-11-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-10-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

      Filesize

      4KB

    • memory/2668-23-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-8-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-24-0x0000000074F70000-0x0000000075720000-memory.dmp

      Filesize

      7.7MB

    • memory/2668-7-0x0000000008CB0000-0x0000000008CB6000-memory.dmp

      Filesize

      24KB

    • memory/2668-6-0x0000000006620000-0x0000000006646000-memory.dmp

      Filesize

      152KB

    • memory/2668-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

      Filesize

      4KB

    • memory/2668-4-0x0000000005340000-0x00000000053DC000-memory.dmp

      Filesize

      624KB

    • memory/2668-3-0x00000000052A0000-0x0000000005332000-memory.dmp

      Filesize

      584KB

    • memory/2668-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

      Filesize

      5.6MB

    • memory/2668-1-0x0000000000770000-0x000000000088E000-memory.dmp

      Filesize

      1.1MB