Overview

overview

10

Static

static

10

JaffaCakes...26.exe

windows7-x64

10

JaffaCakes...26.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 15:57

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General

  • Target

    JaffaCakes118_8ad173787e1bda0379832e01a301ff26.exe

  • Size

    27KB

  • MD5

    8ad173787e1bda0379832e01a301ff26

  • SHA1

    79ee55b602ce209808ed5b226389c410d2885107

  • SHA256

    fdc22126f2ce3edf5289f6caea6a63dd233343fb7e408897ba7039a43172304a

  • SHA512

    ee7f3f2816e15e32aed39cbac8e2d624f7956486988b765e04d6a08a75005c4708f788fceeff5cf7da41c9f233a9d333a0f3f5c5fec3c97c451f4adc80cc7c0c

  • SSDEEP

    384:FZcpzCIqdG3A3WUkx38GZDJuJbf1+o44u8gHzUoY40wFT3SlVSUn1x5+rqQA:SCIqdH/k1ZVcT194jp4NUT3uVj1+rqT

Score
10/10
mydoomdiscoverypersistenceupxworm

Malware Config

Signatures

  • Detects MyDoom family 9 IoCs
  • MyDoom

    MyDoom is a Worm that is written in C++.

    wormmydoom
  • Mydoom family
    mydoom
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • UPX packed file 11 IoCs

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

    upx
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 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.

    discovery
  • Modifies registry class 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ad173787e1bda0379832e01a301ff26.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ad173787e1bda0379832e01a301ff26.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:3012
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\Microsoft Shared\ink\ar-SA\Winamp 5.0 (en).exe
    Filesize

    27KB

    MD5

    8ad173787e1bda0379832e01a301ff26

    SHA1

    79ee55b602ce209808ed5b226389c410d2885107

    SHA256

    fdc22126f2ce3edf5289f6caea6a63dd233343fb7e408897ba7039a43172304a

    SHA512

    ee7f3f2816e15e32aed39cbac8e2d624f7956486988b765e04d6a08a75005c4708f788fceeff5cf7da41c9f233a9d333a0f3f5c5fec3c97c451f4adc80cc7c0c

    Download Submit

  • memory/2488-121-0x00000000031A0000-0x00000000031B0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3012-0-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-4-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-6-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-8-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-13-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-15-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-17-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-95-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-120-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/3012-122-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

    Download