Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-03-2024 18:38

General

  • Target

    2c23e348735e23bfa0c31760dadae7045a43fb5997e5b93e8bb155663e4652f9.exe

  • Size

    187KB

  • MD5

    4c8da92ecf868d4042cc5252d659925a

  • SHA1

    589db861e7216d9dad95c217cd09375066229da9

  • SHA256

    2c23e348735e23bfa0c31760dadae7045a43fb5997e5b93e8bb155663e4652f9

  • SHA512

    e9640761edff7ae479fc922f8dfa141daebc69244870ae5ef322c839e1fb5a893cc6d5c5ccdd189c4f2a34227e636d9c53658f740a48ff88f0794a0919b080ef

  • SSDEEP

    3072:rfIuzUdiSUSCu1TzRL1Cj1ZtQ52xu/zf1MXe74v+fiv9JzpX3:UugdigCuBz6ZtQ5guBMuFgJ

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://kamsmad.com/tmp/index.php

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

http://teplokub.com.ua/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 UnmapMainImage 1 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\2c23e348735e23bfa0c31760dadae7045a43fb5997e5b93e8bb155663e4652f9.exe
    "C:\Users\Admin\AppData\Local\Temp\2c23e348735e23bfa0c31760dadae7045a43fb5997e5b93e8bb155663e4652f9.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2264
  • C:\Users\Admin\AppData\Roaming\sjsgwiv
    C:\Users\Admin\AppData\Roaming\sjsgwiv
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    187KB

    MD5

    4c8da92ecf868d4042cc5252d659925a

    SHA1

    589db861e7216d9dad95c217cd09375066229da9

    SHA256

    2c23e348735e23bfa0c31760dadae7045a43fb5997e5b93e8bb155663e4652f9

    SHA512

    e9640761edff7ae479fc922f8dfa141daebc69244870ae5ef322c839e1fb5a893cc6d5c5ccdd189c4f2a34227e636d9c53658f740a48ff88f0794a0919b080ef

  • memory/2264-1-0x0000000002070000-0x0000000002170000-memory.dmp

    Filesize

    1024KB

  • memory/2264-2-0x0000000003C50000-0x0000000003C5B000-memory.dmp

    Filesize

    44KB

  • memory/2264-3-0x0000000000400000-0x0000000001F06000-memory.dmp

    Filesize

    27.0MB

  • memory/2264-5-0x0000000000400000-0x0000000001F06000-memory.dmp

    Filesize

    27.0MB

  • memory/3356-4-0x0000000002810000-0x0000000002826000-memory.dmp

    Filesize

    88KB

  • memory/3356-16-0x0000000002790000-0x00000000027A6000-memory.dmp

    Filesize

    88KB

  • memory/4268-14-0x0000000002250000-0x0000000002350000-memory.dmp

    Filesize

    1024KB

  • memory/4268-15-0x0000000000400000-0x0000000001F06000-memory.dmp

    Filesize

    27.0MB

  • memory/4268-17-0x0000000000400000-0x0000000001F06000-memory.dmp

    Filesize

    27.0MB