Overview

overview

7

Static

static

3

a13ad6cb71...18.exe

windows7-x64

7

a13ad6cb71...18.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2024, 04:38

Sharing

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General

  • Target

    a13ad6cb71a441e3aa16241c7cde853c_JaffaCakes118.exe

  • Size

    428KB

  • MD5

    a13ad6cb71a441e3aa16241c7cde853c

  • SHA1

    b52bce79fb66daf2b4acdb2aec22dbd54b7294c7

  • SHA256

    0f29b1ae451b4b5028a95ceb63ca19ba1d87f7d2f8b26442ed2666f195852b3a

  • SHA512

    a9f703237a06b991b625ab7a530096678f04228dd908021c0670cd226d9781e78d69fcf11b0eb661202f5d5052efff264f229c328809e05dd4850967b1917ce2

  • SSDEEP

    12288:Wl7dOvwQCLZt9WCpKXUVQerSanBa5D1ZZ1bvcV:c7dJrtMC0XXsznBap1j1bvcV

Score
7/10
discoverypersistenceupx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 9 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a13ad6cb71a441e3aa16241c7cde853c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a13ad6cb71a441e3aa16241c7cde853c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\ProgramData\fJnKmKj07003\fJnKmKj07003.exe
      "C:\ProgramData\fJnKmKj07003\fJnKmKj07003.exe" "C:\Users\Admin\AppData\Local\Temp\a13ad6cb71a441e3aa16241c7cde853c_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3044

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \ProgramData\fJnKmKj07003\fJnKmKj07003.exe
          Filesize

          428KB

          MD5

          8bdc523eb3b25b3dcfe2515ee9d31c09

          SHA1

          45824e80d46616dcaa4d0eaa487da33f01ef1340

          SHA256

          d6093e02b887958992b5f29e1b997f5c84ce96c1031fe03185f87401b6ed7d2a

          SHA512

          0e29bf2840ebadc96a868e4b6053bcd25f625d9ab4b222e2fe9a35446edfe508d0a5d21980d6d35e27d9760b7c347f7a8efcaafb07312141a695e1e0ddcebbac

          Download Submit

        • memory/1768-2-0x0000000000400000-0x00000000004B6000-memory.dmp

          Filesize

          728KB

          Download

        • memory/1768-1-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

          Download

        • memory/1768-21-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

          Download

        • memory/1768-22-0x0000000000400000-0x00000000004B6000-memory.dmp

          Filesize

          728KB

          Download

        • memory/1768-55-0x0000000000400000-0x00000000004B6000-memory.dmp

          Filesize

          728KB

          Download

        • memory/1768-56-0x0000000000400000-0x00000000004B3000-memory.dmp

          Filesize

          716KB

          Download

        • memory/3044-17-0x0000000000400000-0x00000000004B6000-memory.dmp

          Filesize

          728KB

          Download

        • memory/3044-16-0x0000000000400000-0x00000000004B6000-memory.dmp

          Filesize

          728KB

          Download

        • memory/3044-24-0x0000000000400000-0x00000000004B6000-memory.dmp

          Filesize

          728KB

          Download

        • memory/3044-40-0x0000000000400000-0x00000000004B6000-memory.dmp

          Filesize

          728KB

          Download