Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Analysis

  • max time kernel
    300s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-04-2024 22:28

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General

  • Target

    31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe

  • Size

    202KB

  • MD5

    35940f30f5229a28b42a3efaa5f83d90

  • SHA1

    697f728f31f8ce13423943d02220ad55eb9bd0b8

  • SHA256

    31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583

  • SHA512

    3c0539b0eb720aab2b76ccc809a3b7704f8ea31d8055c50097e754cfe8da3c8d0cbd93dbe2bf86d41b2750b45b99294bc411db96d43613e9c8c92910c4d1b20a

  • SSDEEP

    3072:TLYL43gLfqebEDabbOe6Bz8X4LOKaMDV81Zxg8csVoKYE9WJ:TLd3gLfqebBbbsBIIJZVSDPcs

Score
10/10
smokeloaderpub3backdoortrojan

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.

    trojanbackdoorsmokeloader
  • 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
  • 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\31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe
    "C:\Users\Admin\AppData\Local\Temp\31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2304
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {51AFEA77-01DF-43F1-891D-1D94CB84EC79} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Roaming\wcfajcr
      C:\Users\Admin\AppData\Roaming\wcfajcr
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    202KB

    MD5

    35940f30f5229a28b42a3efaa5f83d90

    SHA1

    697f728f31f8ce13423943d02220ad55eb9bd0b8

    SHA256

    31e86d8e159e1a1b8be40d3317d6199ef7e44aaec1fa5b83f8c24d30b1d22583

    SHA512

    3c0539b0eb720aab2b76ccc809a3b7704f8ea31d8055c50097e754cfe8da3c8d0cbd93dbe2bf86d41b2750b45b99294bc411db96d43613e9c8c92910c4d1b20a

    Download Submit
  • memory/1256-4-0x0000000002CE0000-0x0000000002CF6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1256-16-0x0000000002EE0000-0x0000000002EF6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2304-2-0x0000000000220000-0x000000000022B000-memory.dmp
    Filesize

    44KB

    Download
  • memory/2304-1-0x0000000000610000-0x0000000000710000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/2304-3-0x0000000000400000-0x0000000000536000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2304-5-0x0000000000400000-0x0000000000536000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2740-15-0x0000000000400000-0x0000000000536000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2740-14-0x0000000000620000-0x0000000000720000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/2740-19-0x0000000000400000-0x0000000000536000-memory.dmp
    Filesize

    1.2MB

    Download