Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-06-2024 12:52

General

  • Target

    02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe

  • Size

    7.5MB

  • MD5

    02345e646bdcfe35838f764c881b8576

  • SHA1

    6b1358e6fe2a08c787e5618c64908b5dc4dbb8b0

  • SHA256

    bea4db0dc6396de59f48299344940d61cc0f3379d7a36b9e363ef88f8dd14a66

  • SHA512

    9b84ab25e1b7882e2219c5ee84e313a02167004bcaac0db1c74a2bfefabc0a94a692871c804831195f402ccc5e0baf3cd345c637f4e7b0f8f77690093b95d13e

  • SSDEEP

    196608:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxQw818dmXEQl1llLmiwlyif8cHQOyyy5QY:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxc

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 8 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 57 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_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:2740
    • C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2988
    • C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2744
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    7.5MB

    MD5

    3e220ec5539bd6df9ac4d9176f798be2

    SHA1

    3c5bb347c4f3e9f81db7b33edbd9caf2bc1499d3

    SHA256

    6109e823afde719d2aa5ee30ec4e378b465c01a93fb19e20742b7de086e0d4bb

    SHA512

    c8a4979379c78fa541dbcb0d068bf1367c10db5790d33bfcf3c87f65e9aaf10762e0e8255814197e433eae2de21e35fef0eac7a44b737529de58f4334b4eea65

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

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

    Filesize

    152KB

  • memory/2740-1-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/2740-28-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2740-32-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2740-34-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/2744-36-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2988-2-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2988-35-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB