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Overview

overview

8

Static

static

3

40d397bf7d...18.exe

windows7-x64

8

40d397bf7d...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    13/07/2024, 07:55

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General

  • Target

    40d397bf7d454b641b05258dfeded1e1_JaffaCakes118.exe

  • Size

    19KB

  • MD5

    40d397bf7d454b641b05258dfeded1e1

  • SHA1

    b41e3c3844940ae47f1d1ebd3ede5a67f487849e

  • SHA256

    f3db71e65090d27d0721a0a0d70eeab5a1e1961a47ac8ec8a6b7721e9eec4d71

  • SHA512

    b4852dcd49d7131fb23217be03420b5ddb186f10ff5d35c77e48a83de5db37f899f407564ca409f2268446bd1da85d7b68957275146efc88620f75ec795a0a90

  • SSDEEP

    384:AutF4oDgWkKUgp7dfUeIo/WAAA8sAEFNZlaSq7xkUCNC:1tF4oDgWt7dfUeIIlLFNZcxpCNC

Score
8/10
persistenceprivilege_escalation

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • 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.

    persistenceprivilege_escalation
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40d397bf7d454b641b05258dfeded1e1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40d397bf7d454b641b05258dfeded1e1_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Windows\SysWOW64\System.exe
      C:\Windows\system32\System.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      PID:1884
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\HBSelfDel.dll,MagicDelete C:\Users\Admin\AppData\Local\Temp\40d397bf7d454b641b05258dfeded1e1_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Loads dropped DLL
      PID:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\HBmhly.dll
    Filesize

    19KB

    MD5

    8b20db98eafcacf102bbc7b4070774f3

    SHA1

    a3331cf4fc4fcfe1de81fbb42be43792f77f86d7

    SHA256

    811f5fa10630b97dd4069bb236410383cf7a22b4091fe4ccb5978cc3f29964a3

    SHA512

    70326ffb97ccade4103e927a344bbb353a5bca19c5724eaf9b1cd9502e8bcfc16fac48cd9725f5927552d3459c30ac583df7019103e7a8f9869ec62b901bfc76

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  • C:\Windows\SysWOW64\System.exe
    Filesize

    3KB

    MD5

    dd62c474ee9c417466cd55adcaf63fd2

    SHA1

    8478e49534628ac17e6b27c4f0e3625b2fe08076

    SHA256

    1c16b7ac8e55c97339224a40988747127b47363c6e0467f928640a716a25f563

    SHA512

    f11b8925eb6da91a35c5ac026eedb4593f22506091a4b7707c6a8f7a0c1cca1f8b169179b466864e7ed4317edb5e270d0d6d39c927f03ab99c57054aedbffb82

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  • \Users\Admin\AppData\Local\Temp\HBSelfDel.dll
    Filesize

    3KB

    MD5

    16fddb8ac4d11916c6920260593ddded

    SHA1

    058ef57237f2898e77a3e65b8b3ded1371a831cd

    SHA256

    1500f761104965c6ba4d4e8cdc3524347f6b189fc95178569a37a1fa870a2eae

    SHA512

    41cfb9ff0455477b0025cfad30c99fe030ba49fcf836d959af8893cdd363429feccac3d9322986ae2b45201367b88ccae42dccd4bb36251a70644ea2ea222243

    Download Submit