Overview

overview

10

Static

static

dridex

windows10-2004_x64

10

Sharing

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General

  • Target

    d31f7a4a68a38581a88a343cbc9be8480acdba021c3bca39f6d45c4cac352be1

  • Size

    352KB

  • Sample

    220128-whze2aaae4

  • MD5

    11d9e55a4cc32d18382d0428eb99a651

  • SHA1

    5d8d56e2743332e8184ac8c4724ee166387e1b54

  • SHA256

    d31f7a4a68a38581a88a343cbc9be8480acdba021c3bca39f6d45c4cac352be1

  • SHA512

    abc88024ca89676e8a6de77cd8eb6c4df17f34642b16163ccf814f86c72dbd5ecae6cd062fe180fb3e66227ec82b7ac52ae0fc8457c6c7cba66ee5e3ecc04684

Score
10/10
smokeloaderbackdoorpersistencetrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://kotabuki.com/

http://slusextense.com/

http://purekidboo.com/

http://wildzipcode.biz/
rc4.i32
rc4.i32

Targets

    • Target

      d31f7a4a68a38581a88a343cbc9be8480acdba021c3bca39f6d45c4cac352be1

    • Size

      352KB

    • MD5

      11d9e55a4cc32d18382d0428eb99a651

    • SHA1

      5d8d56e2743332e8184ac8c4724ee166387e1b54

    • SHA256

      d31f7a4a68a38581a88a343cbc9be8480acdba021c3bca39f6d45c4cac352be1

    • SHA512

      abc88024ca89676e8a6de77cd8eb6c4df17f34642b16163ccf814f86c72dbd5ecae6cd062fe180fb3e66227ec82b7ac52ae0fc8457c6c7cba66ee5e3ecc04684

    Score
    10/10
    smokeloaderbackdoorpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

3
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

5
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks