Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20240214-en
  • resource tags

    arch:x64arch:x86image:win10-20240214-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21-02-2024 04:49

General

  • Target

    1a0c9d76d6bd6cf708c1939bb3f4748ccb40b0a4b0c880c6eba432be1a5910f2.exe

  • Size

    135KB

  • MD5

    f44d0f75c3746989168af456468d553c

  • SHA1

    1bda6154c5dc86f5132fab036a30ae3b55041593

  • SHA256

    1a0c9d76d6bd6cf708c1939bb3f4748ccb40b0a4b0c880c6eba432be1a5910f2

  • SHA512

    524a44375acf65cc1daf98c4ed281ca8b6e8d128b0a76a05dd2a543c78d8357ea6e81baa1ad487a8f36280a4bd2c5c757e68467359e26876ba56328927ab406f

  • SSDEEP

    1536:93HKFCXebMDnye3MtblERG2DnWQezmfsHL7bcVnhzU+dhj1eE37i9SOpk6ovchdf:5HKCXeC3VdCHnE9Uch5p7iIXQEs1

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

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

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

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/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\1a0c9d76d6bd6cf708c1939bb3f4748ccb40b0a4b0c880c6eba432be1a5910f2.exe
    "C:\Users\Admin\AppData\Local\Temp\1a0c9d76d6bd6cf708c1939bb3f4748ccb40b0a4b0c880c6eba432be1a5910f2.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3592
  • C:\Users\Admin\AppData\Roaming\ducucie
    C:\Users\Admin\AppData\Roaming\ducucie
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    135KB

    MD5

    f44d0f75c3746989168af456468d553c

    SHA1

    1bda6154c5dc86f5132fab036a30ae3b55041593

    SHA256

    1a0c9d76d6bd6cf708c1939bb3f4748ccb40b0a4b0c880c6eba432be1a5910f2

    SHA512

    524a44375acf65cc1daf98c4ed281ca8b6e8d128b0a76a05dd2a543c78d8357ea6e81baa1ad487a8f36280a4bd2c5c757e68467359e26876ba56328927ab406f

  • memory/3300-4-0x00000000014F0000-0x0000000001506000-memory.dmp

    Filesize

    88KB

  • memory/3300-16-0x0000000002D70000-0x0000000002D86000-memory.dmp

    Filesize

    88KB

  • memory/3592-1-0x0000000000940000-0x0000000000A40000-memory.dmp

    Filesize

    1024KB

  • memory/3592-2-0x0000000000880000-0x000000000088B000-memory.dmp

    Filesize

    44KB

  • memory/3592-3-0x0000000000400000-0x0000000000817000-memory.dmp

    Filesize

    4.1MB

  • memory/3592-5-0x0000000000400000-0x0000000000817000-memory.dmp

    Filesize

    4.1MB

  • memory/4604-14-0x0000000000B60000-0x0000000000C60000-memory.dmp

    Filesize

    1024KB

  • memory/4604-15-0x0000000000400000-0x0000000000817000-memory.dmp

    Filesize

    4.1MB

  • memory/4604-19-0x0000000000400000-0x0000000000817000-memory.dmp

    Filesize

    4.1MB