Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2025, 15:57

General

  • Target

    JaffaCakes118_8ad173787e1bda0379832e01a301ff26.exe

  • Size

    27KB

  • MD5

    8ad173787e1bda0379832e01a301ff26

  • SHA1

    79ee55b602ce209808ed5b226389c410d2885107

  • SHA256

    fdc22126f2ce3edf5289f6caea6a63dd233343fb7e408897ba7039a43172304a

  • SHA512

    ee7f3f2816e15e32aed39cbac8e2d624f7956486988b765e04d6a08a75005c4708f788fceeff5cf7da41c9f233a9d333a0f3f5c5fec3c97c451f4adc80cc7c0c

  • SSDEEP

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

Malware Config

Signatures

  • Detects MyDoom family 21 IoCs
  • MyDoom

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

  • Mydoom family
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 23 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

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:720
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\lsass.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5416
    • C:\Windows\lsass.exe
      C:\Windows\lsass.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:5012
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\lsass.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\lsass.exe
      C:\Windows\lsass.exe
      2⤵
      • Executes dropped EXE
      PID:1460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\uRkmbus2.txt

    Filesize

    7KB

    MD5

    9ec72a8121f1d73e64234dc9ff825335

    SHA1

    b32a1c3fb18c7e24e57b550f56c87ea72971219e

    SHA256

    c7594d58d5c3c6c88b3ad7f4488fb3c95dbedb64d043f4d82d516c82ecf28c88

    SHA512

    eeac6019c3bf77d031bf8d2b8c23162cedb6b642aadeac378130f95f56fdd65b20eb772154a5affb5adbca19c92d9322fb9a82b44b40fb6c6ad3d96647d21c94

  • C:\Windows\lsass.exe

    Filesize

    27KB

    MD5

    8ad173787e1bda0379832e01a301ff26

    SHA1

    79ee55b602ce209808ed5b226389c410d2885107

    SHA256

    fdc22126f2ce3edf5289f6caea6a63dd233343fb7e408897ba7039a43172304a

    SHA512

    ee7f3f2816e15e32aed39cbac8e2d624f7956486988b765e04d6a08a75005c4708f788fceeff5cf7da41c9f233a9d333a0f3f5c5fec3c97c451f4adc80cc7c0c

  • memory/720-511-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-87-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-609-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-0-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-162-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-591-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-393-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-293-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-450-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-448-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/720-323-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/1460-10-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-140-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-328-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-322-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-449-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-294-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-243-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-512-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-163-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-88-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB

  • memory/5012-610-0x0000000000800000-0x000000000080D000-memory.dmp

    Filesize

    52KB