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Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 05:24

General

  • Target

    664d59e6abd751b006cf2df0e32600a4_JaffaCakes118.exe

  • Size

    617KB

  • MD5

    664d59e6abd751b006cf2df0e32600a4

  • SHA1

    755f1163a7568f2bba4e397392c87ba480848deb

  • SHA256

    a2d08018d13895342890f096ff1e072694910b8bedbef9e8b2463463599b4959

  • SHA512

    089671de1bc60c980ea9ad43b8d066d2a3691e9ee396d185fe4fa4ae03cc844f77fd2fb8c7727127bd741b42f447bc6e04aa72adf3e2da70d28e83d919a72fb6

  • SSDEEP

    6144:iiToL+5dbM74wLeQs6LpjzBWVDp6WqRQEB417STvM01XM/k9o+gluwtDQE/xGcQF:3ejlQwfNK55tSno

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 6 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\664d59e6abd751b006cf2df0e32600a4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\664d59e6abd751b006cf2df0e32600a4_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Windows\Qjyqaa.exe
      C:\Windows\Qjyqaa.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:4112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 824
        3⤵
        • Program crash
        PID:84772
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4112 -ip 4112
    1⤵
      PID:84752

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Qjyqaa.exe

      Filesize

      617KB

      MD5

      664d59e6abd751b006cf2df0e32600a4

      SHA1

      755f1163a7568f2bba4e397392c87ba480848deb

      SHA256

      a2d08018d13895342890f096ff1e072694910b8bedbef9e8b2463463599b4959

      SHA512

      089671de1bc60c980ea9ad43b8d066d2a3691e9ee396d185fe4fa4ae03cc844f77fd2fb8c7727127bd741b42f447bc6e04aa72adf3e2da70d28e83d919a72fb6

    • C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

      Filesize

      390B

      MD5

      14127afaa9f5c37616bcfc9cd1efd506

      SHA1

      fdbc78faf296fa1a5276e56cedd1d3bc7b1e03b9

      SHA256

      4d98ecf51ff3a5351bd772ac4b6a06373b4f68638351e5c9a68e568c6a5f6355

      SHA512

      769769b203ae3ea78de0dbd36bba1072d6164a509858325960e53fcfcfe797f069e5c4ac930eae664f40e1905c0dd25ab432517d4b64c9ca4219c9e294cea3a5

    • memory/3232-0-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/3232-1-0x00000000021E0000-0x00000000021E1000-memory.dmp

      Filesize

      4KB

    • memory/3232-4-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/3232-66507-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/4112-18-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/4112-134819-0x0000000000400000-0x000000000049C000-memory.dmp

      Filesize

      624KB

    • memory/4112-134822-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB