Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 12:31

General

  • Target

    71f5634f47001068a59549232ece93e1_JaffaCakes118.exe

  • Size

    44KB

  • MD5

    71f5634f47001068a59549232ece93e1

  • SHA1

    33769564ad4f0e33783e0118cc08dd70b84e4dcf

  • SHA256

    8a3c0d9b3fd245285a6690441b5a14d9354defa9f312b7a537758ea98f0044f0

  • SHA512

    c0cd96cb7ffaf91673d8d5fa7d000374ebbc9474122f8ddc277d1566d36658506470d0a6eff0af3504e33f8c1a583a8a854b6b1c83e7b262263354e1ddec8494

  • SSDEEP

    768:oTGU6btwHyyk4k6w2jxoWCbFMvIv6rLUOADu+g:oif6yL4k6w2jxHCbFMv46f9Ai+g

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71f5634f47001068a59549232ece93e1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\71f5634f47001068a59549232ece93e1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\71F563~1.EXE >> NUL
      2⤵
        PID:3716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\704C3595.dll

      Filesize

      20KB

      MD5

      06951a99e65bf080ae843580cae6a3b6

      SHA1

      1df033f93e3dd83eaeaaa323e0eec2e4163773b4

      SHA256

      052d6c0603cd01af9bdebd57200a5e99f98db1496e1fdfd0e73cccb13cd8d20e

      SHA512

      7f0efdf4de7522c9d9ee5a8c7dbd79b22ed492efce18dcbb40994a9b33be735f30e99882a066ee0f2ad956fcf93cd86f02a2c5be4347ad48137f8dd664faeed2

    • memory/112-6-0x0000000010000000-0x0000000010012000-memory.dmp

      Filesize

      72KB

    • memory/112-8-0x0000000010000000-0x0000000010012000-memory.dmp

      Filesize

      72KB