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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/04/2024, 17:01

General

  • Target

    05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe

  • Size

    8.3MB

  • MD5

    05a92bdd1ce967851f2d789a3c306eff

  • SHA1

    73e4c9f6eb4da48fa4f91db4f71f93ad723296b7

  • SHA256

    f7c4f3251b3878671f36854e689e7e3c2b7222a17686ad2612b5d66f2e72e9fd

  • SHA512

    951efd424dd7e2836946ec07301af8e309cbd52045c5f919bf5d7f79b9d2de9c70cf416dc400fdd286c84363bf694e19514208d46dad7874f84b79d0cfb64775

  • SSDEEP

    196608:N7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXI1G8do8a888Fa:N7effIPEsy58doQaTxLhQyZbIly38doF

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Users\Admin\AppData\Local\Temp\05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:2120
    • C:\Users\Admin\AppData\Local\Temp\05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\05a92bdd1ce967851f2d789a3c306eff_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:1680
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:2660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\cftmon.exe

    Filesize

    8.3MB

    MD5

    df05a393ff18f15addd63ede88362be0

    SHA1

    e46af332463165943e8f4d4ac95a62879875f89f

    SHA256

    c4e181fd35c907ac6354271f580fc1a8729fc938e86f84086a53eaa58b31b5d5

    SHA512

    2f6d0d0f41c9229ccc0a16c88466eb55d91d6d03c11aae3b5453156244d9366e3305b1ab781745426c236fae24bb2a2a63a3a38e7905eb97dac1c94dca4d7a60

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1320-34-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1320-35-0x00000000003D0000-0x00000000003F3000-memory.dmp

    Filesize

    140KB

  • memory/1680-38-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2120-2-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2120-37-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2512-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2512-1-0x0000000000470000-0x0000000000493000-memory.dmp

    Filesize

    140KB

  • memory/2512-3-0x0000000000470000-0x0000000000493000-memory.dmp

    Filesize

    140KB

  • memory/2512-29-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2512-33-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB