Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 14:24

General

  • Target

    4058fb13c005d765d36710d0d955d4a0_JaffaCakes118.exe

  • Size

    40KB

  • MD5

    4058fb13c005d765d36710d0d955d4a0

  • SHA1

    ef4841d0b6e694edaf5bb98b06ff85e8a6030375

  • SHA256

    d9ea589dd2fb0728e4dafa519de051656c4fc4e220f44cf81640b00059b80b19

  • SHA512

    5a9cf392ec6b923e70a64b62e026440a524bc7caee517b01d745e3b968007ab227f149c81084d49c4c8135608433e3e4eb6661b267f944981cb54d0606960ec9

  • SSDEEP

    768:Q1BS/fpwqPy30M00sjfcaQO+xkZVln/ikgZ:Qkuc+WJfcAvH/fw

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 3 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\4058fb13c005d765d36710d0d955d4a0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4058fb13c005d765d36710d0d955d4a0_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:2840
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4058FB~1.EXE >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2444

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Windows\SysWOW64\efc0c52cc1.dll

          Filesize

          16KB

          MD5

          ad835a4b28bb33586f0ccf25bdd822e4

          SHA1

          736da6d6829a378ea48136ea434e862e5063a638

          SHA256

          a6710692dd556d9ff8c56f075f2fd8ecfe108c009baa4acf4e541d634b97e08f

          SHA512

          93410cf7f5d9d4eaf99e0359251e7cf251452b58a441d0e94ca4a18cb418b7c611193a6e665cb51b7ea5713c0f1d68adec850fb41363964507cdaebfcf5549ff

        • memory/2840-5-0x0000000010000000-0x0000000010010000-memory.dmp

          Filesize

          64KB

        • memory/2840-7-0x0000000010000000-0x0000000010010000-memory.dmp

          Filesize

          64KB