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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/06/2024, 02:19

General

  • Target

    01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe

  • Size

    86KB

  • MD5

    01fd9f49d6a03aeef2b20712164d3306

  • SHA1

    79f87b61e5b765d3a2ad40bf8f94a85eb319269e

  • SHA256

    fc4761303f787dc0aaff34c1d6864e5855b9bf3ba7029f6021ee078f280ac428

  • SHA512

    cc98aff64384c3b59fbe8cc9f418c55518c297606b4c3d22256ef38213644eee3ee30fdc2d72d8b6496c673117e45a228a362ddf8031b3709edf3d8e5c0f98dc

  • SSDEEP

    1536:YuMyiWMPfQSiy6kWLVvBOQ+ptrblnouy8:tSW+fQSIkQVv8QGJ9out

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 6 IoCs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01fd9f49d6a03aeef2b20712164d3306_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\SiZhu.exe
      C:\Windows\system32\SiZhu.exe SiZhu
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\~SiGou.bat
        3⤵
          PID:2824

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~SiGou.bat

      Filesize

      130B

      MD5

      05f52e759c787bfbf843ba36ccf734a2

      SHA1

      2d81a279dd24a320a62d184fec747ca5f70570ee

      SHA256

      4c9b671f2169b55c0265974d2d618e9e03060a0664da88c05ea580be9eb2a7a9

      SHA512

      efcbce3fbcb8a0e22d4b41bfcf7afe73e5dd1bf4ceded4892fdd060e993dcf7c3930c989b6eb4fe1b690ced1f70a0e9ef75dfe6b5e2a61f9be14ef9169c6d172

    • \Windows\SysWOW64\SiZhu.exe

      Filesize

      86KB

      MD5

      01fd9f49d6a03aeef2b20712164d3306

      SHA1

      79f87b61e5b765d3a2ad40bf8f94a85eb319269e

      SHA256

      fc4761303f787dc0aaff34c1d6864e5855b9bf3ba7029f6021ee078f280ac428

      SHA512

      cc98aff64384c3b59fbe8cc9f418c55518c297606b4c3d22256ef38213644eee3ee30fdc2d72d8b6496c673117e45a228a362ddf8031b3709edf3d8e5c0f98dc

    • memory/2196-0-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2196-5-0x0000000002E10000-0x0000000002E39000-memory.dmp

      Filesize

      164KB

    • memory/2196-24-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2196-25-0x0000000002E10000-0x0000000002E12000-memory.dmp

      Filesize

      8KB

    • memory/2384-11-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2384-23-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB