Overview

overview

10

Static

static

5

JaffaCakes...21.exe

windows7-x64

10

JaffaCakes...21.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2025, 11:15

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General

  • Target

    JaffaCakes118_ffb84b2123e36be26cc0fbff68eb7321.exe

  • Size

    3.6MB

  • MD5

    ffb84b2123e36be26cc0fbff68eb7321

  • SHA1

    f1d1caf0fbba9607d2b6c2489c7a47302813a7e5

  • SHA256

    0733a9ae261b084118efbb9abe34294a66111421a421f7f163facaefc7b388c8

  • SHA512

    c986de876f335ec20d0bb77f490e82ea4da320613e7fd9555b33c618849cad4d35ae03467aaa5eb099cc89a66a5b780697c6bb41cd0dd165f2f00068a58351e4

  • SSDEEP

    98304:VbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbV:3

Score
10/10
vobfusdiscoverypersistenceupxworm

Malware Config

Signatures

  • Vobfus

    A widespread worm which spreads via network drives and removable media.

    wormvobfus
  • Vobfus family
    vobfus
  • Adds policy Run key to start application 2 TTPs 4 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • UPX packed file 6 IoCs

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

    upx
  • 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
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ffb84b2123e36be26cc0fbff68eb7321.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ffb84b2123e36be26cc0fbff68eb7321.exe"
    1⤵
    • Adds policy Run key to start application
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    PID:3532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\AG58FPQON.exe
    Filesize

    3.6MB

    MD5

    c05687452ab954900842043ffad138c9

    SHA1

    d24426bf29c50479dbd0b94e32f90dfa8e7c93c7

    SHA256

    c34681d55be1b7b9a70a24e69105e7914ff719a949e86ae66b338970819d0c66

    SHA512

    6157c100e18ebb991af8dffca941f3da293570354db1488f88427b0d75e4b808dc704244a4c24940b57909c7744ee8fd26da59e4e7f27cdfd21051cbb868b4b5

    Download Submit

  • memory/3532-0-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/3532-10-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/3532-11-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/3532-82-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/3532-225-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download