Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 01:26

General

  • Target

    eecf728e47d5ec61e962cf1dc07a7ac2_JaffaCakes118.exe

  • Size

    9.1MB

  • MD5

    eecf728e47d5ec61e962cf1dc07a7ac2

  • SHA1

    621a5e303bff3957bebbf6e761365a03139dab3c

  • SHA256

    2712ce115756d4432703711de2fa430a1b809d73c69e781d41bd114922a5d753

  • SHA512

    9a88c106486b1771338372a0b33a1ddf03dac37648c719ef052f538aa5298e8290854f61868a32f03367be06319ee476a29c0efea6b8504b8d0570e6790425d9

  • SSDEEP

    196608:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxQnKnqVtxQu9OryfEQncryfEQuWCLeybAu:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxB

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 3 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 10 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
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eecf728e47d5ec61e962cf1dc07a7ac2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eecf728e47d5ec61e962cf1dc07a7ac2_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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\eecf728e47d5ec61e962cf1dc07a7ac2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\eecf728e47d5ec61e962cf1dc07a7ac2_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Users\Admin\AppData\Local\Temp\eecf728e47d5ec61e962cf1dc07a7ac2_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\eecf728e47d5ec61e962cf1dc07a7ac2_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:2740
    • C:\Users\Admin\AppData\Local\Temp\eecf728e47d5ec61e962cf1dc07a7ac2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\eecf728e47d5ec61e962cf1dc07a7ac2_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2376
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      PID:1900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    9.1MB

    MD5

    bfb5a0deacf8d0b9ab0be946c39f745b

    SHA1

    8b4ee0b1d83f0bdbd8d7c78c9c9914febe5197ca

    SHA256

    bbbdf74fe12fdfdeab8b8d896b234a1c806ca84b8fb0a1e6989f958ea78521a7

    SHA512

    0ddde17a123a97373f3b7a002c661892672d446cce81bffc720aa87e324eb49854d0884314b53632a011d4f16cf122e0c05b467a921f06720d1c8c08198e5a30

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1224-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1224-11-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1224-12-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1224-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1224-13-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2376-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2468-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2740-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB