Analysis

  • max time kernel
    144s
  • max time network
    158s
  • 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 19:37

General

  • Target

    2024-04-22_a19084bdf9e93a6224ae909a3a0e244f_karagany_mafia.exe

  • Size

    268KB

  • MD5

    a19084bdf9e93a6224ae909a3a0e244f

  • SHA1

    9d69c44f3854dfc156399f6f60b42bde981a6341

  • SHA256

    9e8f792d49c7f7c04eb9fd4423a7ded5aeed4f84b1ed50933770d37d82f632a4

  • SHA512

    557628f4ef6456471b69b55363b99af3dcd3e13a8d4a7c9b8f2a36a25fcdc190946bfe7a8171f93ca6af26ca95bf8a91eb29761cb7e92a7a8911f5332f5c05c4

  • SSDEEP

    3072:/91RjsVE9yEmOChT+wBNJjNvdMKEnv5yZN7nUZmfjWVoqnM4X:/9UVEZXC8YP3MN8IZmfjWWAM4X

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_a19084bdf9e93a6224ae909a3a0e244f_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-22_a19084bdf9e93a6224ae909a3a0e244f_karagany_mafia.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious behavior: MapViewOfSection
    PID:4596
  • 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=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3240-4-0x0000000000D20000-0x0000000000D21000-memory.dmp

      Filesize

      4KB

    • memory/3240-5-0x0000000002AE0000-0x0000000002AF5000-memory.dmp

      Filesize

      84KB

    • memory/3240-9-0x0000000002AE0000-0x0000000002AF5000-memory.dmp

      Filesize

      84KB

    • memory/4596-0-0x0000000000400000-0x00000000012C8000-memory.dmp

      Filesize

      14.8MB

    • memory/4596-2-0x0000000001650000-0x0000000001750000-memory.dmp

      Filesize

      1024KB

    • memory/4596-3-0x0000000000400000-0x00000000012C8000-memory.dmp

      Filesize

      14.8MB

    • memory/4596-6-0x0000000000400000-0x00000000012C8000-memory.dmp

      Filesize

      14.8MB

    • memory/4596-8-0x0000000001650000-0x0000000001750000-memory.dmp

      Filesize

      1024KB