Analysis

  • max time kernel
    150s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 12:23

General

  • Target

    021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe

  • Size

    5.6MB

  • MD5

    021a811f65a593778c0a6471e5e7e0f2

  • SHA1

    9638321fdbf7614907ccc8fc7390588863e3a85c

  • SHA256

    fc6b80ddfd6e17e35b021c4348e98d797f83fa58fdff51fa167fee1e29f400b3

  • SHA512

    49fd368dc4f20aff29ec5178321d8249a27977cbc67ac9a8ac05200e9d38634300fc0a430547f3a9f6d479f7ec201bc03bec4f741702d7bcbd5847603858e9c4

  • SSDEEP

    98304:i0qh0r0q2wf02GzMwDws0q40q0qC0FwwRZHwNwYwz0qm0S0qC0mR2wqEwQ0qE0GX:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxs

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 9 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 3 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_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:380
    • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5056
      • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:1252
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:3120
    • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      PID:4184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    5.6MB

    MD5

    5bdd411c7e482cd25692bb5389d6ed31

    SHA1

    fdadaf9296e06401d8cf42f321a6c4e6f0ce8794

    SHA256

    89d5f5a14a9506c42ce65d2f5dfde6680c25129557f5c14a856afb885bd95be3

    SHA512

    382c5c78876a45e71f2e6b8a286fa46df40abe4afa12c37b06eba03c31417713831a4e04418c0eafe05cb6df3a9874b67f9bed4760e212f3ecd46d28fb5ec95d

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/380-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/380-13-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/380-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1252-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4184-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/5056-1-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/5056-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB