Overview

overview

10

Static

static

3

083c9a8679...2b.exe

windows7-x64

10

083c9a8679...2b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 13:47

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General

  • Target

    083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b.exe

  • Size

    267KB

  • MD5

    8b2f1a0f480177fe032cbf896442a44e

  • SHA1

    96099aced1b2724dd7fc56f6978802b87aeebaab

  • SHA256

    083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b

  • SHA512

    ca454ca2e172f1ec7d1cf22a2c2a3085692c1ff58a3c37e83cfbbc87623702879b9e2d0fe3a17dd609bcfe5ed5daf9181219ec0f0ecacacaf6136fd1b73758be

  • SSDEEP

    3072:8LZMm58BE5RRc8+HBi1/G66Czp+lbWhXrcrB0F0VC2MZUrTTk3:8KEVc8dH6ColYrcrB0F0k2MZmTT

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 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\083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b.exe
    "C:\Users\Admin\AppData\Local\Temp\083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2308
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {783B26D8-4F56-4C94-8B1E-9CC309182782} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:612
    • C:\Users\Admin\AppData\Roaming\fffdwbd
      C:\Users\Admin\AppData\Roaming\fffdwbd
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:764

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\fffdwbd
    Filesize

    267KB

    MD5

    8b2f1a0f480177fe032cbf896442a44e

    SHA1

    96099aced1b2724dd7fc56f6978802b87aeebaab

    SHA256

    083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b

    SHA512

    ca454ca2e172f1ec7d1cf22a2c2a3085692c1ff58a3c37e83cfbbc87623702879b9e2d0fe3a17dd609bcfe5ed5daf9181219ec0f0ecacacaf6136fd1b73758be

    Download Submit
  • memory/764-14-0x0000000000B90000-0x0000000000C90000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/764-15-0x0000000000400000-0x0000000000AEC000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/764-19-0x0000000000400000-0x0000000000AEC000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/1196-4-0x0000000003E10000-0x0000000003E26000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1196-16-0x00000000025F0000-0x0000000002606000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2308-1-0x0000000000BA0000-0x0000000000CA0000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/2308-2-0x0000000000220000-0x000000000022B000-memory.dmp
    Filesize

    44KB

    Download
  • memory/2308-3-0x0000000000400000-0x0000000000AEC000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2308-5-0x0000000000400000-0x0000000000AEC000-memory.dmp
    Filesize

    6.9MB

    Download