Analysis

  • max time kernel
    300s
  • max time network
    301s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01-04-2024 04:58

General

  • Target

    6cba749a519e8f75d884e48859a75be955d94bb2b2e31e478078f0dfd4d1bd8e.exe

  • Size

    276KB

  • MD5

    13d97af65517ba122a5c6fcffcb3a6a6

  • SHA1

    4bbfa98bc151e5598f9375b90c7920d4d2fa9e2b

  • SHA256

    6cba749a519e8f75d884e48859a75be955d94bb2b2e31e478078f0dfd4d1bd8e

  • SHA512

    0a7d8b7b01a771a18a57d04d521d08a68278d62b4ece9fa835a50efaf7bc70939bf47237a5574cb536ef91405d9ce8b4654bed4160f757e56af807be30f29111

  • SSDEEP

    3072:aiG3fS/vUkfl+xwZXhVkdQ5r0ImFaCHiX9jc7tFp/ImWucBlMTKa:ai3sklNgdQaXu+JImVcBCT

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 2 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cba749a519e8f75d884e48859a75be955d94bb2b2e31e478078f0dfd4d1bd8e.exe
    "C:\Users\Admin\AppData\Local\Temp\6cba749a519e8f75d884e48859a75be955d94bb2b2e31e478078f0dfd4d1bd8e.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3204
  • C:\Users\Admin\AppData\Roaming\twsvtdh
    C:\Users\Admin\AppData\Roaming\twsvtdh
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:5016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    276KB

    MD5

    13d97af65517ba122a5c6fcffcb3a6a6

    SHA1

    4bbfa98bc151e5598f9375b90c7920d4d2fa9e2b

    SHA256

    6cba749a519e8f75d884e48859a75be955d94bb2b2e31e478078f0dfd4d1bd8e

    SHA512

    0a7d8b7b01a771a18a57d04d521d08a68278d62b4ece9fa835a50efaf7bc70939bf47237a5574cb536ef91405d9ce8b4654bed4160f757e56af807be30f29111

  • memory/3204-1-0x0000000003080000-0x0000000003180000-memory.dmp
    Filesize

    1024KB

  • memory/3204-2-0x0000000002F90000-0x0000000002F9B000-memory.dmp
    Filesize

    44KB

  • memory/3204-3-0x0000000000400000-0x0000000002D44000-memory.dmp
    Filesize

    41.3MB

  • memory/3204-5-0x0000000000400000-0x0000000002D44000-memory.dmp
    Filesize

    41.3MB

  • memory/3332-4-0x0000000000AA0000-0x0000000000AB6000-memory.dmp
    Filesize

    88KB

  • memory/3332-16-0x0000000002890000-0x00000000028A6000-memory.dmp
    Filesize

    88KB

  • memory/5016-14-0x0000000002D80000-0x0000000002E80000-memory.dmp
    Filesize

    1024KB

  • memory/5016-15-0x0000000000400000-0x0000000002D44000-memory.dmp
    Filesize

    41.3MB

  • memory/5016-19-0x0000000000400000-0x0000000002D44000-memory.dmp
    Filesize

    41.3MB