Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 01:22

General

  • Target

    dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe

  • Size

    13KB

  • MD5

    dd667a64cd7694b410e9a5a1d4a6fdb1

  • SHA1

    1a3e102adbf979927caa1c5a5cb3a3bc617e450b

  • SHA256

    646bf1a02ad3b8e2b99ae060afd8f1df079f09a6cf0fcae287fae18d88085b05

  • SHA512

    73f0ecd2ebcb5ca3991cea662be83a107174fccc5c883b3d1c6007ae93418c649714bc87aa2fae47b7c2752ee0e3f2268ef31d12959f46f72ac344410f7e4129

  • SSDEEP

    384:IhWw8KGaw0dvcZTGdAb09nYV/wgWI0l4+:IhWwR5w0dElG2ba1gWD

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in System32 directory 3 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Windows\SysWOW64\zesttnsk.exe
      C:\Windows\system32\zesttnsk.exe ˜‰
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:440
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe.bat

    Filesize

    210B

    MD5

    0468eb8ba17d3deddd9e5fe2bc01f815

    SHA1

    519fb2543dc50dc9bcb3e44c167924c00f364dd4

    SHA256

    ce44120cce3e95c6c100f7c5a2d00ac421ebdf2ab8ce3812932192bdcc8e3f97

    SHA512

    7803a33c0d16fca366cca293d28896033e5c77992c3eb46db58c040e332b46d925736807120b1a19aef23023b0798447066236c3a329d6180f33d63b9e3184ef

  • C:\Windows\SysWOW64\zesttnsk.exe

    Filesize

    13KB

    MD5

    dd667a64cd7694b410e9a5a1d4a6fdb1

    SHA1

    1a3e102adbf979927caa1c5a5cb3a3bc617e450b

    SHA256

    646bf1a02ad3b8e2b99ae060afd8f1df079f09a6cf0fcae287fae18d88085b05

    SHA512

    73f0ecd2ebcb5ca3991cea662be83a107174fccc5c883b3d1c6007ae93418c649714bc87aa2fae47b7c2752ee0e3f2268ef31d12959f46f72ac344410f7e4129

  • memory/440-11-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/4072-0-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/4072-8-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB