Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 09:10

General

  • Target

    1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe

  • Size

    110KB

  • MD5

    1177b2c8fa306922217e149e421b4ada

  • SHA1

    b1f3d0ce1c79d18c3566ddd9ba837f55c4f4871f

  • SHA256

    e7c0221f75428b89a4f575c70e13de01027622efc699c6ec03179c62e11c5e4f

  • SHA512

    329e73b1132dd72a837d89bb3848e0e946270dbc803b0d1f70be2a76b4761b8cf4b6958b1967b91e69ef1b2fc359754a39ebf68359368e02a3d018ac22a7bef3

  • SSDEEP

    1536:vr7N+R51IbutXWNsoWnDlo2vsb35cOHk4UKauFDZy1UkvMolOGdpCWa/WaS:vr7N+tIbIXWqzi2EbpcOE4hzoMolOyb

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1177b2c8fa306922217e149e421b4ada_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\1177B2~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2700
  • C:\Windows\SysWOW64\kkaaya.exe
    C:\Windows\SysWOW64\kkaaya.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:2420

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\kkaaya.exe

    Filesize

    110KB

    MD5

    1177b2c8fa306922217e149e421b4ada

    SHA1

    b1f3d0ce1c79d18c3566ddd9ba837f55c4f4871f

    SHA256

    e7c0221f75428b89a4f575c70e13de01027622efc699c6ec03179c62e11c5e4f

    SHA512

    329e73b1132dd72a837d89bb3848e0e946270dbc803b0d1f70be2a76b4761b8cf4b6958b1967b91e69ef1b2fc359754a39ebf68359368e02a3d018ac22a7bef3

  • memory/1408-0-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1408-1-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1408-6-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2420-4-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2420-7-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB