Overview

overview

10

Static

static

2217c2970b...74.exe

windows7_x64

8

2217c2970b...74.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2217c2970bbab77a72cbfbd579e95a008d90e4a9461f709f68d155e357563274

  • Size

    1.1MB

  • Sample

    220612-g6jbdseah3

  • MD5

    5c06a131964b2fc93b39ea152c6f15a2

  • SHA1

    29e16fc86bcd8f51330097ef39efd007d8b9a9f0

  • SHA256

    2217c2970bbab77a72cbfbd579e95a008d90e4a9461f709f68d155e357563274

  • SHA512

    94a99425389168aa6f7d23e683871692652053e90fcc8bebb7ed2572ac06eb86751c4503da617f58f045209477a453aef0a8962e1cfee28ed202ed2d7c543a0b

Score
10/10
smokeloaderbackdoorevasionpersistencetrojan

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://ktngb33.pw/zb/

rc4.i32
rc4.i32

Targets

    • Target

      2217c2970bbab77a72cbfbd579e95a008d90e4a9461f709f68d155e357563274

    • Size

      1.1MB

    • MD5

      5c06a131964b2fc93b39ea152c6f15a2

    • SHA1

      29e16fc86bcd8f51330097ef39efd007d8b9a9f0

    • SHA256

      2217c2970bbab77a72cbfbd579e95a008d90e4a9461f709f68d155e357563274

    • SHA512

      94a99425389168aa6f7d23e683871692652053e90fcc8bebb7ed2572ac06eb86751c4503da617f58f045209477a453aef0a8962e1cfee28ed202ed2d7c543a0b

    Score
    10/10
    evasionpersistencetrojansmokeloaderbackdoor

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks