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Analysis

  • max time kernel
    7s
  • max time network
    9s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 12:39

General

  • Target

    f802b9aa240d1952e7500ba68ef1041c_JaffaCakes118.dll

  • Size

    78KB

  • MD5

    f802b9aa240d1952e7500ba68ef1041c

  • SHA1

    2bf81ff03021ee652d8357f838ecc5b7b60d36fa

  • SHA256

    582b3bcac3040df7fa81acdb518e95622684b44056ad16df877df7b4c60bcc13

  • SHA512

    e6745f9a6df0974bbcb1abc113d8e8ff9bfd47512ecbe75bc5f782b7ee82af1bdaaf0f90f1cf8b796c69e60f48c688fc2f1d04a38e3bbd86d62c20c491e6fb8e

  • SSDEEP

    1536:QG13wsWOEsl03OHEJfZPMdDCDPzrScnEcsW+zO6bJspsMnouy8yZF1APsu:RRmsl0RJMDCvrd+9tWouty/

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f802b9aa240d1952e7500ba68ef1041c_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3120
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f802b9aa240d1952e7500ba68ef1041c_JaffaCakes118.dll,#1
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Modifies Internet Explorer start page
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1380-0-0x0000000010000000-0x0000000010032000-memory.dmp

    Filesize

    200KB