Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Analysis

  • max time kernel
    300s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-05-2024 23:38

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General

  • Target

    a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe

  • Size

    174KB

  • MD5

    0b221713136f853c4b594ebdd8da873b

  • SHA1

    44f696fb4743a84bc06cf57ebdc30f0cec2d8f26

  • SHA256

    a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844

  • SHA512

    2b5b8b8d34a7434477d46b546c412404cf11609cad0a6a10dd2ee3a6cd963c291f776cbebb9cb7a8673e1d07f2177494ecb442996379dc0d2ff2b9b87f57ce1b

  • SSDEEP

    3072:ccnHPlpU6gXu/okNQNb7D6B44ggsB52Iw2:ccnHngUwP6B44ggsaIw

Score
10/10
smokeloaderbackdoortrojan

Malware Config

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 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\a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe
    "C:\Users\Admin\AppData\Local\Temp\a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1288
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1A283A7D-0A3A-4A4D-BA2F-AEC470F8B9A0} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Users\Admin\AppData\Roaming\awuuvch
      C:\Users\Admin\AppData\Roaming\awuuvch
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1984

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

    174KB

    MD5

    0b221713136f853c4b594ebdd8da873b

    SHA1

    44f696fb4743a84bc06cf57ebdc30f0cec2d8f26

    SHA256

    a3087c4d7eaac762b9647e90b3f359b5638dc1f2af5bf8df90d6c3d0d8330844

    SHA512

    2b5b8b8d34a7434477d46b546c412404cf11609cad0a6a10dd2ee3a6cd963c291f776cbebb9cb7a8673e1d07f2177494ecb442996379dc0d2ff2b9b87f57ce1b

    Download Submit
  • memory/1220-3-0x0000000002E00000-0x0000000002E16000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1220-14-0x0000000002D50000-0x0000000002D66000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1288-1-0x0000000000400000-0x0000000002AE9000-memory.dmp
    Filesize

    38.9MB

    Download
  • memory/1288-2-0x0000000000400000-0x0000000002AE9000-memory.dmp
    Filesize

    38.9MB

    Download
  • memory/1288-4-0x0000000000400000-0x0000000002AE9000-memory.dmp
    Filesize

    38.9MB

    Download
  • memory/1984-13-0x0000000000400000-0x0000000002AE9000-memory.dmp
    Filesize

    38.9MB

    Download
  • memory/1984-15-0x0000000000400000-0x0000000002AE9000-memory.dmp
    Filesize

    38.9MB

    Download