Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/02/2024, 23:56

General

  • Target
    636c32103ef487d1c30df530296f014b.exe
  • Size 163KB
  • Sample240226-3yzt3abd96
  • SHA256 c79f0b410c62adbad0d697c85f0f6cf786c61e1a1244090650440d8a09b90bbd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://selebration17io.io/index.php

  • http://vacantion18ffeu.cc/index.php

  • http://valarioulinity1.net/index.php

  • http://buriatiarutuhuob.net/index.php

  • http://cassiosssionunu.me/index.php

  • http://sulugilioiu19.net/index.php

  • http://goodfooggooftool.net/index.php

rc4.i32
rc4.i32

Extracted

Family
  • lumma

C2
  • https://resergvearyinitiani.shop/api

  • https://technologyenterdo.shop/api

  • https://detectordiscusser.shop/api

  • https://turkeyunlikelyofw.shop/api

  • https://associationokeo.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 WriteProcessMemory 3 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\636c32103ef487d1c30df530296f014b.exe
    "C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4864
  • 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=4128 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:960
    • C:\Users\Admin\AppData\Local\Temp\EAA9.exe
      C:\Users\Admin\AppData\Local\Temp\EAA9.exe
      1⤵
      • Executes dropped EXE
      PID:3248

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          EAA9.exe

          • Path C:\Users\Admin\AppData\Local\Temp\EAA9.exe
          • Size 3.4MB
          • SHA256 655f549e5bf785a06fcd9d20531f00fa3253f1049b4cd2a119ae67974d2cac37
          • MD5 SHA1 SHA512 SSDEEP

          EAA9.exe

          • Path C:\Users\Admin\AppData\Local\Temp\EAA9.exe
          • Size 3.6MB
          • SHA256 d67c5846be34108443e5fd796c3597a748a7f5c1300122023d5a3f614f225df6
          • MD5 SHA1 SHA512 SSDEEP

          memory/3248-23-0x00000000007A0000-0x00000000007A1000-memory.dmp

          memory/3248-22-0x00000000007A0000-0x00000000007A1000-memory.dmp

          memory/3248-25-0x00000000009B0000-0x000000000125F000-memory.dmp

          memory/3248-21-0x00000000007A0000-0x00000000007A1000-memory.dmp

          memory/3248-24-0x00000000007A0000-0x00000000007D2000-memory.dmp

          memory/3248-16-0x0000000000790000-0x0000000000791000-memory.dmp

          memory/3248-17-0x00000000009B0000-0x000000000125F000-memory.dmp

          memory/3248-18-0x00000000009B0000-0x000000000125F000-memory.dmp

          memory/3248-20-0x00000000007A0000-0x00000000007A1000-memory.dmp

          memory/3316-4-0x0000000002840000-0x0000000002856000-memory.dmp

          memory/4864-3-0x0000000000400000-0x00000000022D1000-memory.dmp

          memory/4864-1-0x00000000024E0000-0x00000000025E0000-memory.dmp

          memory/4864-2-0x0000000002480000-0x000000000248B000-memory.dmp

          memory/4864-8-0x0000000002480000-0x000000000248B000-memory.dmp

          memory/4864-6-0x0000000000400000-0x00000000022D1000-memory.dmp