Analysis

  • max time kernel
    300s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2024 04:58

General

  • Target

    afa0cfb638d14c293319fdcc88c29bb8b98536d8f6cc9c4233958018f8016187.exe

  • Size

    296KB

  • MD5

    48c6c82e52d99efaf51fb1ee01ffe27d

  • SHA1

    f209633001d97fb12f7d83183e232cf12e80dcc9

  • SHA256

    afa0cfb638d14c293319fdcc88c29bb8b98536d8f6cc9c4233958018f8016187

  • SHA512

    9c1741751115e3442aae47e48266cbbb71a3cbc091ecb70c77d3ea155d3c23b85e600d86455210e516d0e4772182517531e22a8d401972043cedb2d8e111e6c9

  • SSDEEP

    3072:auk4mLTW0u4U/TTrItNdBzaGD3mJ4L/C25euOMuvzqZYj/F:c4mLG4i3rmrDO97MMzqZYj

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\afa0cfb638d14c293319fdcc88c29bb8b98536d8f6cc9c4233958018f8016187.exe
    "C:\Users\Admin\AppData\Local\Temp\afa0cfb638d14c293319fdcc88c29bb8b98536d8f6cc9c4233958018f8016187.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1044
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {63F52BEB-6AD6-4167-BF6C-75865F169FDD} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Roaming\sjedvws
      C:\Users\Admin\AppData\Roaming\sjedvws
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\sjedvws

    Filesize

    296KB

    MD5

    48c6c82e52d99efaf51fb1ee01ffe27d

    SHA1

    f209633001d97fb12f7d83183e232cf12e80dcc9

    SHA256

    afa0cfb638d14c293319fdcc88c29bb8b98536d8f6cc9c4233958018f8016187

    SHA512

    9c1741751115e3442aae47e48266cbbb71a3cbc091ecb70c77d3ea155d3c23b85e600d86455210e516d0e4772182517531e22a8d401972043cedb2d8e111e6c9

  • memory/1044-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/1044-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

  • memory/1044-3-0x0000000000400000-0x0000000002C2D000-memory.dmp

    Filesize

    40.2MB

  • memory/1044-5-0x0000000000400000-0x0000000002C2D000-memory.dmp

    Filesize

    40.2MB

  • memory/1312-4-0x0000000002F00000-0x0000000002F16000-memory.dmp

    Filesize

    88KB

  • memory/1312-30-0x0000000002DE0000-0x0000000002DF6000-memory.dmp

    Filesize

    88KB

  • memory/2776-28-0x00000000002B0000-0x00000000003B0000-memory.dmp

    Filesize

    1024KB

  • memory/2776-29-0x0000000000400000-0x0000000002C2D000-memory.dmp

    Filesize

    40.2MB

  • memory/2776-31-0x0000000000400000-0x0000000002C2D000-memory.dmp

    Filesize

    40.2MB