Analysis

  • max time kernel
    51s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 08:12

General

  • Target

    044476a3ae480a2a5408f7a2b7f64282_JaffaCakes118.dll

  • Size

    111KB

  • MD5

    044476a3ae480a2a5408f7a2b7f64282

  • SHA1

    6d9d80314566a580f251413c99cca55f3efd79e7

  • SHA256

    afd11ce544197fdb0c89320eca95fe753ea649d4d3cb2d5f69db9e7814b9fb76

  • SHA512

    de00f978d120a9fb4f903a21679d8dc1c59c3b0e15478b454beacf931f404f80ab286d17bd0b8405b67fb01b092fa7f8787d9f4b7ea1c97ee77f2c87c6f8386a

  • SSDEEP

    1536:jgVtSKAWm51ewHbwy6DujGTbMtsNOyFZjitc23gAPa6tPFR8E14/mdO3U:UVtSKQ51ety6DuYbMtuhzEZa2PFAUO3

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 23 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\044476a3ae480a2a5408f7a2b7f64282_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\044476a3ae480a2a5408f7a2b7f64282_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5116
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\system32\jlijat.dll",i
        3⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies registry class
        PID:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\jlijat.dll

    Filesize

    111KB

    MD5

    044476a3ae480a2a5408f7a2b7f64282

    SHA1

    6d9d80314566a580f251413c99cca55f3efd79e7

    SHA256

    afd11ce544197fdb0c89320eca95fe753ea649d4d3cb2d5f69db9e7814b9fb76

    SHA512

    de00f978d120a9fb4f903a21679d8dc1c59c3b0e15478b454beacf931f404f80ab286d17bd0b8405b67fb01b092fa7f8787d9f4b7ea1c97ee77f2c87c6f8386a

  • memory/2068-6-0x0000000010000000-0x0000000010035000-memory.dmp

    Filesize

    212KB

  • memory/2068-5-0x0000000010000000-0x0000000010035000-memory.dmp

    Filesize

    212KB

  • memory/5116-1-0x0000000010000000-0x0000000010035000-memory.dmp

    Filesize

    212KB

  • memory/5116-0-0x0000000010000000-0x0000000010035000-memory.dmp

    Filesize

    212KB