Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 11:53

General

  • Target
    e9ed433a3d2b4d3e1a1e1dca910263bd_JaffaCakes118.exe
  • Size 548KB
  • Sample240409-n2dnnsec62
  • SHA256 52a7437f9b9c21de2a389039153bc1fa8ac36fdf3be75105dec854a2c8b7a7d0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • UAC bypass 3 TTPs 13 IoCs
  • Adds policy Run key to start application 2 TTPs 31 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 8 IoCs
  • Looks up external IP address via web service 7 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 32 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 32 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9ed433a3d2b4d3e1a1e1dca910263bd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e9ed433a3d2b4d3e1a1e1dca910263bd_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Users\Admin\AppData\Local\Temp\qcakdvziamk.exe
      "C:\Users\Admin\AppData\Local\Temp\qcakdvziamk.exe" "c:\users\admin\appdata\local\temp\e9ed433a3d2b4d3e1a1e1dca910263bd_jaffacakes118.exe*"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1056
      • C:\Users\Admin\AppData\Local\Temp\xggsw.exe
        "C:\Users\Admin\AppData\Local\Temp\xggsw.exe" "-C:\Users\Admin\AppData\Local\Temp\uozwlunbuizqtigd.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • System policy modification
        PID:2476
      • C:\Users\Admin\AppData\Local\Temp\xggsw.exe
        "C:\Users\Admin\AppData\Local\Temp\xggsw.exe" "-C:\Users\Admin\AppData\Local\Temp\uozwlunbuizqtigd.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System policy modification
        PID:1620
    • C:\Users\Admin\AppData\Local\Temp\qcakdvziamk.exe
      "C:\Users\Admin\AppData\Local\Temp\qcakdvziamk.exe" "c:\users\admin\appdata\local\temp\e9ed433a3d2b4d3e1a1e1dca910263bd_jaffacakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System policy modification
      PID:1540

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        cifopkppuuxapqajeemspyzu.zee

        • Path C:\Program Files (x86)\cifopkppuuxapqajeemspyzu.zee
        • Size 272B
        • SHA256 317d01dc0eecf0cd5c7eae17c34cc7575a76cc54d92521edb0ca96134c77a4f2
        • MD5 SHA1 SHA512

        cifopkppuuxapqajeemspyzu.zee

        • Path C:\Program Files (x86)\cifopkppuuxapqajeemspyzu.zee
        • Size 272B
        • SHA256 daa069b2a08c6f4e49b7f4010bc405c8c991c371b005f43fe51dd5b5dd10647b
        • MD5 SHA1 SHA512

        cifopkppuuxapqajeemspyzu.zee

        • Path C:\Program Files (x86)\cifopkppuuxapqajeemspyzu.zee
        • Size 272B
        • SHA256 ef85be918660c5c413668599612436a3f678b4869c703ad85119b6e3abc66daf
        • MD5 SHA1 SHA512

        cifopkppuuxapqajeemspyzu.zee

        • Path C:\Program Files (x86)\cifopkppuuxapqajeemspyzu.zee
        • Size 272B
        • SHA256 7e447ea4ff18cee58561039c2f1367253d040faaa61e918d3dd6a253ada7c1b5
        • MD5 SHA1 SHA512

        cifopkppuuxapqajeemspyzu.zee

        • Path C:\Program Files (x86)\cifopkppuuxapqajeemspyzu.zee
        • Size 272B
        • SHA256 eb80376c4ecc28e55a9ff99cce0a0bd795c8d48e3069859dc6686afeb1982246
        • MD5 SHA1 SHA512

        cifopkppuuxapqajeemspyzu.zee

        • Path C:\Program Files (x86)\cifopkppuuxapqajeemspyzu.zee
        • Size 272B
        • SHA256 9abeade477da3ca7f6c60d3ac973ec7b3b1f000a568291f2089fb2031e2629bd
        • MD5 SHA1 SHA512

        qcakdvziamk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\qcakdvziamk.exe
        • Size 320KB
        • SHA256 d936bfd3b4264fe1650dee22119858b9d0cc58598e7e956ebecf72fb82f7c7d3
        • MD5 SHA1 SHA512 SSDEEP

        xggsw.exe

        • Path C:\Users\Admin\AppData\Local\Temp\xggsw.exe
        • Size 708KB
        • SHA256 47aa97c5afe0b31552cee42b958551f0dfde8eb71eaaaad1182714a7d0d797bd
        • MD5 SHA1 SHA512 SSDEEP

        cifopkppuuxapqajeemspyzu.zee

        • Path C:\Users\Admin\AppData\Local\cifopkppuuxapqajeemspyzu.zee
        • Size 272B
        • SHA256 1a06b06f99cc61bb22b58a311d5773b0d3455508a7bffcfff2b38adb1f0420d9
        • MD5 SHA1 SHA512

        lckeqwmxnymaamhbhslckeqwmxnymaamhbh.lck

        • Path C:\Users\Admin\AppData\Local\lckeqwmxnymaamhbhslckeqwmxnymaamhbh.lck
        • Size 3KB
        • SHA256 725b8e0643050b1b9872eecf152fd9f90a6f7bbea4c24abd63e0415ee4d76feb
        • MD5 SHA1 SHA512

        kgtsjupfaqjchyyxiy.exe

        • Path C:\Windows\SysWOW64\kgtsjupfaqjchyyxiy.exe
        • Size 548KB
        • SHA256 52a7437f9b9c21de2a389039153bc1fa8ac36fdf3be75105dec854a2c8b7a7d0
        • MD5 SHA1 SHA512 SSDEEP