Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-04-2024 08:48

General

  • Target

    2024-04-22_63ca1e17761353cd17949a7d3043a4f2_karagany_mafia.exe

  • Size

    268KB

  • MD5

    63ca1e17761353cd17949a7d3043a4f2

  • SHA1

    45633df60bca329bd333863a23db3934b8451189

  • SHA256

    04a1a5865b09959c60be2a38f84e4915f72abbf17fe81fd7c3d21668e4357293

  • SHA512

    3691390c2dd1681cc1719f03e9229c8f1b5a19621e16b9defbb5c88690ddde5d10338fd076e11b87eaf7fe52fb171b27e59ddec8a24ccf38940e4f437604f1f8

  • SSDEEP

    3072:M91YjsVE6yEmOCPT+wBNJjNvdMKEnv5yZN7nUZmfjWVoqnM4m:M9ZVE4XCqYP3MN8IZmfjWWAM4m

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://xrbwgb.com/gate.php

http://th5ijd5gds.xyz/gate.php

http://c82psxpjd8.top/gate.php

http://7ui3n2rezz.top/gate.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-22_63ca1e17761353cd17949a7d3043a4f2_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-22_63ca1e17761353cd17949a7d3043a4f2_karagany_mafia.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious behavior: MapViewOfSection
    PID:4480
  • 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=1260 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3076

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3300-4-0x0000000002BB0000-0x0000000002BC5000-memory.dmp

      Filesize

      84KB

    • memory/3300-5-0x0000000002880000-0x0000000002881000-memory.dmp

      Filesize

      4KB

    • memory/3300-9-0x0000000002BB0000-0x0000000002BC5000-memory.dmp

      Filesize

      84KB

    • memory/4480-0-0x0000000000400000-0x00000000012C8000-memory.dmp

      Filesize

      14.8MB

    • memory/4480-2-0x00000000014B0000-0x00000000015B0000-memory.dmp

      Filesize

      1024KB

    • memory/4480-3-0x0000000000400000-0x00000000012C8000-memory.dmp

      Filesize

      14.8MB

    • memory/4480-6-0x0000000000400000-0x00000000012C8000-memory.dmp

      Filesize

      14.8MB

    • memory/4480-7-0x00000000014B0000-0x00000000015B0000-memory.dmp

      Filesize

      1024KB