Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 04:18

General

  • Target

    81998c70637851f7dca8ebd0a2ba0a20_JaffaCakes118.exe

  • Size

    27KB

  • MD5

    81998c70637851f7dca8ebd0a2ba0a20

  • SHA1

    e0e50aab90ca097fb8fd5c81bb85be1ac18ab97e

  • SHA256

    0996f64c8e7e47f56953c88f19d6e98be883f503cf3ecef018d3946b8a36d8f5

  • SHA512

    2dd51c227cc1ba06e16c1d41f1242771be004bc4a3ac57090f3ca2ce0c2121b56ec42796eec2281e5c5a62635971e4033d193adb128e638a476e740e9a48105b

  • SSDEEP

    384:q+C61+heV99R6WAz7M9ptuEDuflqKcsN6+7AuPP2flfUhWSSl9XgOm:IquPKVCNqL4PG0bmA

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 1 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81998c70637851f7dca8ebd0a2ba0a20_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81998c70637851f7dca8ebd0a2ba0a20_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\81998C~1.EXE >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:552

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Windows\SysWOW64\bp8wddFqfaagBTyD.dll

          Filesize

          21KB

          MD5

          9ad0fcf3163fe156ad50775ae3ac9af3

          SHA1

          c7461724bdbb08297bfa7363b89169cfa3cc9c03

          SHA256

          01a3c3d0eeb4666ac3dea1e27f2872021b45bcded539b2c6fee5afce172b9251

          SHA512

          6dff1f9db2cd8ffb6171dead13e1ce7a9e06be0f19e48d3b02b1b3bdc253ca8e753b0439a4b866e0ca662fc50b9c1c32434e458d1aa739e2eed10c81d9a324e0

        • memory/2692-0-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2692-6-0x0000000010000000-0x0000000010012000-memory.dmp

          Filesize

          72KB

        • memory/2692-10-0x0000000010000000-0x0000000010012000-memory.dmp

          Filesize

          72KB

        • memory/2692-9-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB