Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 23:21

General

  • Target
    3714c897cc9e17bd9e28edc061d537cd_JaffaCakes118.exe
  • Size 12.4MB
  • Sample240511-3cea8sgf38
  • SHA256 f6b791b5cf9c6a610b43d42e94f4bdcf11aef89141a020df305d7932076bd8a3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 20 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3714c897cc9e17bd9e28edc061d537cd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3714c897cc9e17bd9e28edc061d537cd_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:3016
      • C:\Users\Admin\AppData\Local\Temp\~8394257533943826304~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~6111692740395348086.tmp" -y -aos -o"C:\Program Files (x86)\TeamViewer"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:3080
      • C:\Program Files (x86)\TeamViewer\TeamViewer.exe
        "C:\Program Files (x86)\TeamViewer\TeamViewer.exe"
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Enumerates system info in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2104
        • C:\Program Files (x86)\TeamViewer\tv_w32.exe
          "C:\Program Files (x86)\TeamViewer\tv_w32.exe" --action hooks --log C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer13_Logfile.log
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4956
        • C:\Program Files (x86)\TeamViewer\tv_x64.exe
          "C:\Program Files (x86)\TeamViewer\tv_x64.exe" --action hooks --log C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer13_Logfile.log
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2804

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          TV_w32.dll

          • Path C:\Program Files (x86)\TeamViewer\TV_w32.dll
          • Size 395KB
          • SHA256 a504073ad5297861db5b1fc612cda856995706248585821f847f07292bc4ba6d
          • MD5 SHA1 SHA512 SSDEEP

          TV_w32.exe

          • Path C:\Program Files (x86)\TeamViewer\TV_w32.exe
          • Size 180KB
          • SHA256 f6220676b2c7bb39481a075962b880c41dc954a2a7f0478d65ebf871992e0dfc
          • MD5 SHA1 SHA512 SSDEEP

          TV_x64.dll

          • Path C:\Program Files (x86)\TeamViewer\TV_x64.dll
          • Size 483KB
          • SHA256 c09012a2fe8b5931875fb2a46faacec27dbe1658751c04f51a4742572146b63b
          • MD5 SHA1 SHA512 SSDEEP

          TV_x64.exe

          • Path C:\Program Files (x86)\TeamViewer\TV_x64.exe
          • Size 209KB
          • SHA256 ce37e3b1b86b824c22a36ad9a27a109287259aaffdd0f096c5c4b1fd44fd1203
          • MD5 SHA1 SHA512 SSDEEP

          TeamViewer.exe

          • Path C:\Program Files (x86)\TeamViewer\TeamViewer.exe
          • Size 32.6MB
          • SHA256 e4b43f84a1cffe705a00524cd005355d92fa49c8818c3f7e9fce07b95fc23f5d
          • MD5 SHA1 SHA512 SSDEEP

          TeamViewer.ini

          • Path C:\Program Files (x86)\TeamViewer\TeamViewer.ini
          • Size 42B
          • SHA256 70b9097eb9b6be637ca5cac22bb4c6ce0c3b862cc2b621122cb8b05e149bedce
          • MD5 SHA1 SHA512

          TeamViewer_Resource_zhCN.dll

          • Path C:\Program Files (x86)\TeamViewer\TeamViewer_Resource_zhCN.dll
          • Size 463KB
          • SHA256 62ee7d1aa842c34cd8f5972e95ad032aa53c2b98460481ec3b08b288e4a0dfb4
          • MD5 SHA1 SHA512 SSDEEP

          TeamViewer_StaticRes.dll

          • Path C:\Program Files (x86)\TeamViewer\TeamViewer_StaticRes.dll
          • Size 4.7MB
          • SHA256 ec9c6cbcbeafbb8ca3c9a1568fb2cf9b075bc75e9df4311b2b77bbc9ba56ae72
          • MD5 SHA1 SHA512 SSDEEP

          ~6111692740395348086.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\~6111692740395348086.tmp
          • Size 11.1MB
          • SHA256 ac7cdd77d0753554997e7132abd1f032a842cf87e0dd643191e6ea4aa095d524
          • MD5 SHA1 SHA512 SSDEEP

          sg.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\~8394257533943826304~\sg.tmp
          • Size 660KB
          • SHA256 3a4a4be7f8e2624306c81743ee3e010a1f97fdcfc9c1d5d090d0314fb1def69b
          • MD5 SHA1 SHA512 SSDEEP

          TeamViewer13_Logfile.log

          • Path C:\Users\Admin\AppData\Roaming\TeamViewer\TeamViewer13_Logfile.log
          • Size 5KB
          • SHA256 ac46ec45e06880607bcdd3fa56d9a051b45a6d79db622783e10b726129e29b6f
          • MD5 SHA1 SHA512 SSDEEP