Analysis

  • max time kernel
    145s
  • max time network
    78s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2024, 06:26

General

  • Target

    be0daa4d192da293252d63dc6f8a2009_JaffaCakes118.exe

  • Size

    3.4MB

  • MD5

    be0daa4d192da293252d63dc6f8a2009

  • SHA1

    5d68e5bbcda4b2f9000d93257d9eb1d8b35b3d5c

  • SHA256

    0cd2b9312377061d0eb16f95aaf456ceb5dd59487b2cc3a4082c75f760acdd50

  • SHA512

    9284b28c2e6953da3beecb3c7095a5f4ab37ebd07d309b88101b25df723093755e373275a80ff200f6f1dae44566cce833cf61b1bdfd181d0db5cfe9fee680b1

  • SSDEEP

    49152:hLCJ5D3BWlWjm3gzzPO3pAKJxVU7IGUUUB+KMpH/oZ6tIY1Uc03He82FY:hoDRWlWK3gsjGU9B+KMpHk6h1Uj/

Malware Config

Signatures

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

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be0daa4d192da293252d63dc6f8a2009_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be0daa4d192da293252d63dc6f8a2009_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\ProgramData\riswxdjpxgux\SmartGearmhxybux.exe
      C:\ProgramData\riswxdjpxgux\SmartGearmhxybux.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\riswxdjpxgux\mhxybux.exe

    Filesize

    3.4MB

    MD5

    be0daa4d192da293252d63dc6f8a2009

    SHA1

    5d68e5bbcda4b2f9000d93257d9eb1d8b35b3d5c

    SHA256

    0cd2b9312377061d0eb16f95aaf456ceb5dd59487b2cc3a4082c75f760acdd50

    SHA512

    9284b28c2e6953da3beecb3c7095a5f4ab37ebd07d309b88101b25df723093755e373275a80ff200f6f1dae44566cce833cf61b1bdfd181d0db5cfe9fee680b1

  • \ProgramData\riswxdjpxgux\FRed32.dll

    Filesize

    81KB

    MD5

    4259655777737f2387331065acb9d012

    SHA1

    475d23d50eb8e4bf5878693acccdff376fd7ef45

    SHA256

    1095af08ec37245ba927a06215ae30d9ece82cfb502d4797e1e447a0f23ef403

    SHA512

    2df33477b5d29aaebaec60dcadf1ab94ba1aedc816355233479510b736a1b75ab553eacabdd0eaf35f11c00c5dc703b8abbc1641c8b9ba50350bcbb1763b6a08

  • \ProgramData\riswxdjpxgux\SmartGearmhxybux.exe

    Filesize

    1.8MB

    MD5

    02f8f999f4d2c03a3492fefb37b53238

    SHA1

    27e1c024251636e1b78bab35df353dab636f54df

    SHA256

    4a9421c8af1bbb64b07f227b6bd5140d58e109eb934c596b68bd7ea578ec7077

    SHA512

    e709b1337456ad64b956632e1d3fd0e36356bbcc119d31cf304b0ceca139ee99d660df5608c21493cc27b44846e5fcec94d2bbca83d695671322d4de20996a30

  • memory/808-28-0x0000000000400000-0x00000000005DB000-memory.dmp

    Filesize

    1.9MB

  • memory/808-29-0x0000000010000000-0x000000001003B000-memory.dmp

    Filesize

    236KB

  • memory/2716-4-0x0000000000400000-0x00000000008B3000-memory.dmp

    Filesize

    4.7MB

  • memory/2716-3-0x0000000000400000-0x000000000087D000-memory.dmp

    Filesize

    4.5MB

  • memory/2716-11-0x0000000000400000-0x00000000008B3000-memory.dmp

    Filesize

    4.7MB

  • memory/2716-12-0x0000000000400000-0x000000000087D000-memory.dmp

    Filesize

    4.5MB

  • memory/2716-2-0x00000000003C0000-0x00000000003C5000-memory.dmp

    Filesize

    20KB

  • memory/2716-1-0x0000000000400000-0x00000000008B3000-memory.dmp

    Filesize

    4.7MB

  • memory/2716-27-0x0000000000400000-0x00000000008B3000-memory.dmp

    Filesize

    4.7MB

  • memory/2716-0-0x00000000003C0000-0x00000000003C5000-memory.dmp

    Filesize

    20KB

  • memory/2716-30-0x0000000000400000-0x00000000008B3000-memory.dmp

    Filesize

    4.7MB

  • memory/2716-36-0x0000000000400000-0x00000000008B3000-memory.dmp

    Filesize

    4.7MB

  • memory/2716-45-0x0000000000400000-0x00000000008B3000-memory.dmp

    Filesize

    4.7MB