Overview

overview

10

Static

static

425617d0cb...ac.exe

windows7-x64

10

425617d0cb...ac.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    425617d0cbfb5ddb2285437fa6147cf3cfe024efdc4cf7ea56c2f61350ca70ac.exe

  • Size

    200KB

  • Sample

    221205-m45phach24

  • MD5

    241104b8eb8b3a657eb76a733be2014f

  • SHA1

    25274ee7cae23f038541bc1948bc58322a6fe433

  • SHA256

    425617d0cbfb5ddb2285437fa6147cf3cfe024efdc4cf7ea56c2f61350ca70ac

  • SHA512

    59be1f76ebf46e180c3b2ca34546c131c31e5836cb08c15fd40b8b40785a02dfca03cdf5ad8b27abf602822ffbe952e158b052baedb9ab7c059cd17f22a9ade4

  • SSDEEP

    3072:2jaJX1he96vwi5u5nITlai3JeYl1uW4TmqhTDw02rwpqLRc:w6vq5n2EzG1uW4i02spq

Score
10/10
smokeloadersystembcbackdoortrojan

Malware Config

Extracted

Family

systembc

C2

109.205.214.18:443

Targets

    • Target

      425617d0cbfb5ddb2285437fa6147cf3cfe024efdc4cf7ea56c2f61350ca70ac.exe

    • Size

      200KB

    • MD5

      241104b8eb8b3a657eb76a733be2014f

    • SHA1

      25274ee7cae23f038541bc1948bc58322a6fe433

    • SHA256

      425617d0cbfb5ddb2285437fa6147cf3cfe024efdc4cf7ea56c2f61350ca70ac

    • SHA512

      59be1f76ebf46e180c3b2ca34546c131c31e5836cb08c15fd40b8b40785a02dfca03cdf5ad8b27abf602822ffbe952e158b052baedb9ab7c059cd17f22a9ade4

    • SSDEEP

      3072:2jaJX1he96vwi5u5nITlai3JeYl1uW4TmqhTDw02rwpqLRc:w6vq5n2EzG1uW4i02spq

    Score
    10/10
    smokeloaderbackdoortrojansystembc

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

      trojansystembc

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks