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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 09:49

General

  • Target

    aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe

  • Size

    2.6MB

  • MD5

    aec20eb6ee835c12214379b779745fe1

  • SHA1

    5922c4043858675bc625f399b941de884279f87e

  • SHA256

    ec1d168c1e24d5a5c1884c06842aa521a5d5d3d09abc77f9523d4e16dd9c5b57

  • SHA512

    1154917904ed84d8fa3cb5e77d4a633520ce9383d05859fc46b644740e4eaa99ebf763ad856a8a972c9771d726fe871fe7681a68c1e20e729a9cc81c13129ccc

  • SSDEEP

    24576:R8xTAL596aUsyoB0v07HkKhB0uWzxWAsoPg5t8LnVfk4R8MTBBYBoiSUAh5lLhiz:SxTI+s73SrzH8MTBKSUBSVbXEL

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 3 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 6 IoCs
  • Themida packer 28 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in System32 directory 7 IoCs
  • Drops file in Windows directory 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\aec20eb6ee835c12214379b779745fe1_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds policy Run key to start application
    • Boot or Logon Autostart Execution: Active Setup
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Windows\SysWOW64\fservice.exe
      C:\Windows\system32\fservice.exe
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Windows\services.exe
        C:\Windows\services.exe -XP
        3⤵
        • Modifies WinLogon for persistence
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • Modifies WinLogon
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\system\sservice.exe

    Filesize

    2.6MB

    MD5

    aec20eb6ee835c12214379b779745fe1

    SHA1

    5922c4043858675bc625f399b941de884279f87e

    SHA256

    ec1d168c1e24d5a5c1884c06842aa521a5d5d3d09abc77f9523d4e16dd9c5b57

    SHA512

    1154917904ed84d8fa3cb5e77d4a633520ce9383d05859fc46b644740e4eaa99ebf763ad856a8a972c9771d726fe871fe7681a68c1e20e729a9cc81c13129ccc

  • \Windows\SysWOW64\reginv.dll

    Filesize

    36KB

    MD5

    562e0d01d6571fa2251a1e9f54c6cc69

    SHA1

    83677ad3bc630aa6327253c7b3deffbd4a8ce905

    SHA256

    c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

    SHA512

    166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

  • \Windows\SysWOW64\winkey.dll

    Filesize

    13KB

    MD5

    b4c72da9fd1a0dcb0698b7da97daa0cd

    SHA1

    b25a79e8ea4c723c58caab83aed6ea48de7ed759

    SHA256

    45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

    SHA512

    f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

  • memory/1064-32-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/1064-13-0x0000000005110000-0x00000000053AB000-memory.dmp

    Filesize

    2.6MB

  • memory/1064-6-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/1064-1-0x0000000000401000-0x00000000005EA000-memory.dmp

    Filesize

    1.9MB

  • memory/1064-15-0x0000000005110000-0x00000000053AB000-memory.dmp

    Filesize

    2.6MB

  • memory/1064-48-0x0000000000401000-0x00000000005EA000-memory.dmp

    Filesize

    1.9MB

  • memory/1064-47-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/1064-0-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/1064-34-0x0000000000401000-0x00000000005EA000-memory.dmp

    Filesize

    1.9MB

  • memory/2684-45-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2684-18-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2684-16-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2684-17-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2684-30-0x00000000052B0000-0x000000000554B000-memory.dmp

    Filesize

    2.6MB

  • memory/2684-28-0x00000000052B0000-0x000000000554B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-53-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-61-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-37-0x0000000010000000-0x000000001000B000-memory.dmp

    Filesize

    44KB

  • memory/2904-50-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-51-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-52-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-54-0x0000000010000000-0x000000001000B000-memory.dmp

    Filesize

    44KB

  • memory/2904-33-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-55-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-57-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-59-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-29-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-63-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-65-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-67-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-69-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-71-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-73-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-75-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-77-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB

  • memory/2904-79-0x0000000000400000-0x000000000069B000-memory.dmp

    Filesize

    2.6MB