Analysis

  • max time kernel
    152s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 13:29

General

  • Target

    233a864f2f23497d4623337da7372e12_JaffaCakes118.exe

  • Size

    260KB

  • MD5

    233a864f2f23497d4623337da7372e12

  • SHA1

    56eea34b0ab09a49daec844f08e2ea05747a37b5

  • SHA256

    62f94256e7fc124c7292edefd8b589dad48601ff53d4058848b91a788a981e14

  • SHA512

    1562cc204d922f540fc6c9d13070a833f4c70161ad79050d337c0f35163192c38dabda143d7e9f99e57a5d368571828f04978a906b4a5811c705fca1bd5ed4eb

  • SSDEEP

    6144:tAYoHfuNlef4r05jgc7CnkKqX7tNfVXVHQLIiu8cfo0/pW:qYoH2Nlpr03lKwZGEX8cA0/M

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of UnmapMainImage 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\233a864f2f23497d4623337da7372e12_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\233a864f2f23497d4623337da7372e12_JaffaCakes118.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4488
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3688 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4112

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3316-4-0x0000000002F40000-0x0000000002F56000-memory.dmp
      Filesize

      88KB

    • memory/4488-1-0x00000000031D0000-0x00000000032D0000-memory.dmp
      Filesize

      1024KB

    • memory/4488-2-0x00000000031B0000-0x00000000031B9000-memory.dmp
      Filesize

      36KB

    • memory/4488-3-0x0000000000400000-0x0000000002F09000-memory.dmp
      Filesize

      43.0MB

    • memory/4488-5-0x0000000000400000-0x0000000002F09000-memory.dmp
      Filesize

      43.0MB

    • memory/4488-8-0x00000000031B0000-0x00000000031B9000-memory.dmp
      Filesize

      36KB