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Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22/07/2024, 10:48

General

  • Target

    62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe

  • Size

    13KB

  • MD5

    62ef177fa8d1dcdc462bfa0e940a298c

  • SHA1

    5ad40d1a09533c77d32999d19fa3b1b0a2270129

  • SHA256

    8fdb475f6a060ec97965085dcd86b48cdd7206d410ac5f627966c7bbd9bec81d

  • SHA512

    acdaf5e28302ce30262732dfea283758249460cad9014c2b0f57028b255d6b3d8f0733d924536f123ce5395931d57f10bb87106f18fc64fa72eadbc565f49105

  • SSDEEP

    384:ZIpffY/aT/MG/BsZHCVF3SWdT+NxhWmjhL2NW:ZIpf8a7JBgHCVBSWdukmjqW

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\62ef177fa8d1dcdc462bfa0e940a298c_JaffaCakes118.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\231A.tmp.bat
      2⤵
      • Deletes itself
      PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\231A.tmp.bat

    Filesize

    207B

    MD5

    7ab6c1b0ca620cbe0432262442adcbe4

    SHA1

    ddd52fc3a9718d2fb6e1f7413f56decec56a1685

    SHA256

    2ca84603989d47144ddd8a83e5c2aaf31b36eb7c2d0c10c34d9d7a45a81e5ac4

    SHA512

    07c29a838b3f09e4b0692675fe7d5e7e8edd00a614e9b452d28b9402b4018cbddd72b8fad42bec57bca9be52c5238add250ad70822d60d61ba4b019f1f585e8c

  • C:\Windows\SysWOW64\adsntzt.tmp

    Filesize

    848KB

    MD5

    a45fb0564129781750b7bd964f88173d

    SHA1

    a8fbf1b5129d30b1497569d1429a62bdf105dfb8

    SHA256

    699ac40cf178b3a6c7e1a19614276e28ee3edd0e20e090e44878107755924c73

    SHA512

    12307b977972c50e724c841893e89106de82b4568cc3956519bb0e89c3ad886171a3c5eefbb2e9c209cbae60f103d563a4d89b00664ea37d1f2faaf6c8339fb2

  • memory/2104-12-0x0000000020000000-0x0000000020008000-memory.dmp

    Filesize

    32KB

  • memory/2104-21-0x0000000020000000-0x0000000020008000-memory.dmp

    Filesize

    32KB