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Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24/06/2024, 00:24

General

  • Target

    057fe3e2c3e8a329bed96f1969f1afeb_JaffaCakes118.dll

  • Size

    231KB

  • MD5

    057fe3e2c3e8a329bed96f1969f1afeb

  • SHA1

    cc9df692ab5be9a298834845163b9573afdabb17

  • SHA256

    c7ed79736ee6c5002ba7b49102beca830d50cbfa296a774ef914c52358200fa5

  • SHA512

    2ad7af9f5aa839c8d9c7208c7381b9fee9c576326f05984220a1e443a6818c10c893c9c532e5e4b53b38988b0a8af5dfb5748b49d3d1c6a5a603ebfbe6468d56

  • SSDEEP

    3072:zysX0WxnWd/IkmL+PViEbmzwtz/wk8YWbM:mskd/IkmuVfyWdMM

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\057fe3e2c3e8a329bed96f1969f1afeb_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\057fe3e2c3e8a329bed96f1969f1afeb_JaffaCakes118.dll,#1
      2⤵
      • 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 AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\ehsbuyizi.dll

    Filesize

    625KB

    MD5

    95e2376b3323f062eb562b8586d0f14a

    SHA1

    453d4c3bf4a489433b593420a37bbffb7749875a

    SHA256

    bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

    SHA512

    b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

  • memory/1892-0-0x0000000000270000-0x00000000002B3000-memory.dmp

    Filesize

    268KB

  • memory/1892-2-0x0000000000271000-0x0000000000278000-memory.dmp

    Filesize

    28KB

  • memory/1892-7-0x0000000000270000-0x00000000002B3000-memory.dmp

    Filesize

    268KB

  • memory/1892-10-0x0000000000270000-0x00000000002B3000-memory.dmp

    Filesize

    268KB

  • memory/1892-11-0x0000000000270000-0x00000000002B3000-memory.dmp

    Filesize

    268KB