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Analysis

  • max time kernel
    93s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 11:28

General

  • Target

    0115629224b4d4f0c7d1e440d02af9f4_JaffaCakes118.dll

  • Size

    237KB

  • MD5

    0115629224b4d4f0c7d1e440d02af9f4

  • SHA1

    c152dfc6641c6541b7e33a7979dddb37c87703a7

  • SHA256

    b66d4574ab04714c7e616fe622fe8f31a3978cb790f8b8d1bd821e92c356a106

  • SHA512

    69d2c5828d391f5dd1a3b7aebb0874a3eda1a6637c284ab9aa18ff41123b042f3bf6a58c7f1b12277aa33a1d82239f8db15f4fd0925b9a01f9f70717f055b8c8

  • SSDEEP

    3072:pLbjDwVMMoCI5S6/ChArh2cm2MjaxgKENwk+T:pjEVMMoC0/ChAFmj2e3ET

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0115629224b4d4f0c7d1e440d02af9f4_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0115629224b4d4f0c7d1e440d02af9f4_JaffaCakes118.dll,#1
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\dya.dll

    Filesize

    625KB

    MD5

    eccf28d7e5ccec24119b88edd160f8f4

    SHA1

    98509587a3d37a20b56b50fd57f823a1691a034c

    SHA256

    820c83c0533cfce2928e29edeaf6c255bc19ac9718b25a5656d99ffac30a03d6

    SHA512

    c1c94bbb781625b2317f0a8178d3a10d891fb71bca8f82cd831c484e8ab125301b82a14fe2ff070dc99a496cc00234300fa5536401018c40d49d44ae89409670

  • C:\Windows\SysWOW64\rmo.dll

    Filesize

    478KB

    MD5

    e99416267b61f52fa5ab994019efd359

    SHA1

    86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

    SHA256

    768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

    SHA512

    0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

  • memory/1880-0-0x0000000000401000-0x0000000000409000-memory.dmp

    Filesize

    32KB

  • memory/1880-8-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB

  • memory/1880-14-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB

  • memory/1880-13-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB

  • memory/1880-16-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB

  • memory/1880-17-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB