Analysis

  • max time kernel
    153s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 16:29

General

  • Target

    e21bbd95c5421bd2cd0c8c190cd94512.exe

  • Size

    265KB

  • MD5

    e21bbd95c5421bd2cd0c8c190cd94512

  • SHA1

    8aaad57c43973fa4fd55a6a60d720a1a6f9db26e

  • SHA256

    624c9abe8fdaaaabdfb8f705176149ce012206df79663236d3f1690e82cd658c

  • SHA512

    9ef95f05d06b4aaf2bdbfd5e24e4b9f66f7f780b4c8d20f29b3c2d980528a7590b073790b0ab98cf4573dc7a83f4415ce78d97cc908611222dea744eefebd260

  • SSDEEP

    6144:IHETFtEJ/A0GLZ2d0c2AVx2AxvqCe5Nug6a65pOLQ:Z7EJ/A062d0PAte5qp

Malware Config

Extracted

Family

smokeloader

Botnet

7777

Extracted

Family

smokeloader

Version

2020

C2

http://fioajfoiarjfoi1.xyz/

http://rdukhnihioh2.xyz/

http://sdfghjklemm3.xyz/

http://eruiopijhgnn4.xyz/

http://igbyugfwbwb5.xyz/

http://shfuhfuwhhc6.xyz/

http://ersyglhjkuij7.xyz/

http://ygyguguuju8.store/

http://resbkjpokfct9.store/

http://sdfygfygu10.store/

http://hbibhibihnj11.store/

http://vfwlkjhbghg12.store/

http://poiuytrcvb13.store/

http://xsedfgtbh14.store/

http://iknhyghggh15.store/

http://wnlonevkiju16.site/

http://gfyufuhhihioh17.site/

http://nsgiuwrevi18.site/

http://oiureveiuv19.site/

http://ovrnevnriuen20.site/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 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 7 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\e21bbd95c5421bd2cd0c8c190cd94512.exe
    "C:\Users\Admin\AppData\Local\Temp\e21bbd95c5421bd2cd0c8c190cd94512.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Users\Admin\AppData\Local\Temp\e21bbd95c5421bd2cd0c8c190cd94512.exe
      "C:\Users\Admin\AppData\Local\Temp\e21bbd95c5421bd2cd0c8c190cd94512.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1452-7-0x0000000002710000-0x0000000002726000-memory.dmp

    Filesize

    88KB

  • memory/2084-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2084-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2084-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2084-8-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2144-1-0x0000000002C70000-0x0000000002D70000-memory.dmp

    Filesize

    1024KB

  • memory/2144-3-0x0000000000220000-0x000000000022A000-memory.dmp

    Filesize

    40KB