General

  • Target

    330bad5c2875ad0f08d0e6775685043413141a9b843445902041f9a2903845b8

  • Size

    336KB

  • Sample

    211023-qsfssacda4

  • MD5

    87300064467d9540dad1e64b116cc0dc

  • SHA1

    ee78ac5ebf581cfda3c57e2154e57964aeef5211

  • SHA256

    330bad5c2875ad0f08d0e6775685043413141a9b843445902041f9a2903845b8

  • SHA512

    1a80f6df85a1f3a77295496dce91d75a720be7682e491383150a203b98c3ceeae03b72bd6d8fc26be830a8056f371f3510863df0208bae250b58059faf6bb882

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://xacokuo8.top/

http://hajezey1.top/

http://nusurtal4f.net/

http://netomishnetojuk.net/

http://escalivrouter.net/

http://nick22doom4.net/

http://wrioshtivsio.su/

http://nusotiso4.su/

http://rickkhtovkka.biz/

http://palisotoliso.net/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

vidar

Version

41.5

Botnet

1049

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    1049

Extracted

Family

vidar

Version

41.5

Botnet

706

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

z0rm1on

C2

185.215.113.94:35535

Extracted

Family

vidar

Version

41.5

Botnet

517

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    517

Extracted

Family

amadey

Version

2.70

C2

185.215.113.45/g4MbvE/index.php

Extracted

Family

djvu

C2

http://rlrz.org/lancer

Targets

    • Target

      330bad5c2875ad0f08d0e6775685043413141a9b843445902041f9a2903845b8

    • Size

      336KB

    • MD5

      87300064467d9540dad1e64b116cc0dc

    • SHA1

      ee78ac5ebf581cfda3c57e2154e57964aeef5211

    • SHA256

      330bad5c2875ad0f08d0e6775685043413141a9b843445902041f9a2903845b8

    • SHA512

      1a80f6df85a1f3a77295496dce91d75a720be7682e491383150a203b98c3ceeae03b72bd6d8fc26be830a8056f371f3510863df0208bae250b58059faf6bb882

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks