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Overview

overview

10

Static

static

3

e21bbd95c5...12.exe

windows7-x64

10

e21bbd95c5...12.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 16:29

Sharing

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General

  • Target

    e21bbd95c5421bd2cd0c8c190cd94512.exe

  • Size

    265KB

  • MD5

    e21bbd95c5421bd2cd0c8c190cd94512

  • SHA1

    8aaad57c43973fa4fd55a6a60d720a1a6f9db26e

  • SHA256

    624c9abe8fdaaaabdfb8f705176149ce012206df79663236d3f1690e82cd658c

  • SHA512

    9ef95f05d06b4aaf2bdbfd5e24e4b9f66f7f780b4c8d20f29b3c2d980528a7590b073790b0ab98cf4573dc7a83f4415ce78d97cc908611222dea744eefebd260

  • SSDEEP

    6144:IHETFtEJ/A0GLZ2d0c2AVx2AxvqCe5Nug6a65pOLQ:Z7EJ/A062d0PAte5qp

Score
10/10
smokeloader7777backdoortrojan

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.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 12 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.

    persistence

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:4576
    • 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:1416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 328
        3⤵
        • Program crash
        PID:3572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1416 -ip 1416
    1⤵
      PID:1360
    • C:\Users\Admin\AppData\Roaming\iwavsur
      C:\Users\Admin\AppData\Roaming\iwavsur
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4764
      • C:\Users\Admin\AppData\Roaming\iwavsur
        C:\Users\Admin\AppData\Roaming\iwavsur
        2⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: MapViewOfSection
        PID:4612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\iwavsur
      Filesize

      265KB

      MD5

      e21bbd95c5421bd2cd0c8c190cd94512

      SHA1

      8aaad57c43973fa4fd55a6a60d720a1a6f9db26e

      SHA256

      624c9abe8fdaaaabdfb8f705176149ce012206df79663236d3f1690e82cd658c

      SHA512

      9ef95f05d06b4aaf2bdbfd5e24e4b9f66f7f780b4c8d20f29b3c2d980528a7590b073790b0ab98cf4573dc7a83f4415ce78d97cc908611222dea744eefebd260

      Download Submit

    • memory/1416-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/1416-4-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/1416-8-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/3512-5-0x0000000002F90000-0x0000000002FA6000-memory.dmp

      Filesize

      88KB

      Download

    • memory/3512-21-0x0000000002FD0000-0x0000000002FE6000-memory.dmp

      Filesize

      88KB

      Download

    • memory/4576-2-0x0000000002CA0000-0x0000000002CAA000-memory.dmp

      Filesize

      40KB

      Download

    • memory/4576-1-0x0000000002E60000-0x0000000002F60000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/4612-19-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/4612-20-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/4612-24-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/4764-18-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

      Filesize

      1024KB

      Download