Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-08-2023 21:51

General

  • Target

    8189c1c7f01185fd55c619bf4ae7fbc49126d649423c4421ad1085248484c218.exe

  • Size

    326KB

  • MD5

    12c2f5c06632c07d3bfd902f32ad5479

  • SHA1

    27d85b01116806eba3554b9e3f1b891add2ca5bb

  • SHA256

    8189c1c7f01185fd55c619bf4ae7fbc49126d649423c4421ad1085248484c218

  • SHA512

    68d707437bf44f8bce43c735a18a0d32cd8f0d55712ba81fcc5287b09149926664b65b9b86ed62be2bdf121ae50825a3bf0f54c329cdc33139aff6b4614d4c60

  • SSDEEP

    3072:tOS5UTiugV/l9Zj5T0S+oKgmnNtpkkltj3eIVa4Ml9T:MnmZdl9zAgmnFk6tze2ve

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8189c1c7f01185fd55c619bf4ae7fbc49126d649423c4421ad1085248484c218.exe
    "C:\Users\Admin\AppData\Local\Temp\8189c1c7f01185fd55c619bf4ae7fbc49126d649423c4421ad1085248484c218.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Users\Admin\AppData\Local\Temp\8189c1c7f01185fd55c619bf4ae7fbc49126d649423c4421ad1085248484c218.exe
      "C:\Users\Admin\AppData\Local\Temp\8189c1c7f01185fd55c619bf4ae7fbc49126d649423c4421ad1085248484c218.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2688

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2688-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2688-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2688-139-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3136-138-0x00000000026E0000-0x00000000026F6000-memory.dmp

    Filesize

    88KB

  • memory/4808-134-0x0000000002600000-0x0000000002700000-memory.dmp

    Filesize

    1024KB

  • memory/4808-135-0x0000000002560000-0x0000000002569000-memory.dmp

    Filesize

    36KB