Analysis

  • max time kernel
    151s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    16/11/2021, 03:56

General

  • Target
    6177d85be52132376166b865ebca55b1.exe
  • Size 164KB
  • Sample211116-ehc4csccb5
  • SHA256 f6c10cababdca8d6de20f8977489182b31ce24bb2ac9399965d32cedf0f526fe
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://membro.at/upload/

  • http://jeevanpunetha.com/upload/

  • http://misipu.cn/upload/

  • http://zavodooo.ru/upload/

  • http://targiko.ru/upload/

  • http://vues3d.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • raccoon

Version
  • 1.8.3-hotfix

Botnet
  • 4fc7b281a211dd243b4b1e5cb64d3f854a218b97

Attributes
  • url4cnc

    http://91.219.236.162/youyouhell0world

    http://185.163.47.176/youyouhell0world

    http://193.38.54.238/youyouhell0world

    http://74.119.192.122/youyouhell0world

    http://91.219.236.240/youyouhell0world

    https://t.me/youyouhell0world

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6177d85be52132376166b865ebca55b1.exe
    "C:\Users\Admin\AppData\Local\Temp\6177d85be52132376166b865ebca55b1.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1976
  • C:\Users\Admin\AppData\Local\Temp\1038.exe
    C:\Users\Admin\AppData\Local\Temp\1038.exe
    1⤵
    • Executes dropped EXE
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      PID:3204
  • C:\Users\Admin\AppData\Local\Temp\565A.exe
    C:\Users\Admin\AppData\Local\Temp\565A.exe
    1⤵
    • Executes dropped EXE
    PID:1252

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1252-138-0x0000000000400000-0x00000000027B5000-memory.dmp

        memory/1252-137-0x00000000043E0000-0x000000000446F000-memory.dmp

        memory/1976-118-0x00000000001E0000-0x00000000001E8000-memory.dmp

        memory/1976-119-0x00000000001F0000-0x00000000001F9000-memory.dmp

        memory/1976-120-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2036-121-0x0000000000DE0000-0x0000000000DF6000-memory.dmp

        memory/3080-125-0x0000000002889000-0x0000000002909000-memory.dmp

        memory/3080-126-0x0000000004430000-0x00000000044C1000-memory.dmp

        memory/3080-127-0x0000000000400000-0x00000000027E6000-memory.dmp

        memory/3204-132-0x0000000000400000-0x00000000027E6000-memory.dmp

        memory/3204-131-0x0000000002B59000-0x0000000002BD9000-memory.dmp