General

  • Target

    95d244c156191ee5cf91e16f79a49359edc78f32e56930341cfecb97779f635c

  • Size

    803KB

  • Sample

    211022-he96gabbg8

  • MD5

    cf1fcee778c1d3c968b87400cd826ec1

  • SHA1

    7702a653f6b5b4a77f72e17a5e3f0e8577e3150f

  • SHA256

    95d244c156191ee5cf91e16f79a49359edc78f32e56930341cfecb97779f635c

  • SHA512

    970a3ecd53813ddec09686b70fa426657d489526d9475e55ffa42105e77ccb2e9c61f03d483a0f429889cb0eba40058b4927f9edf68d6960128348741bec1955

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    517

Extracted

Family

djvu

C2

http://rlrz.org/lancer

Targets

    • Target

      95d244c156191ee5cf91e16f79a49359edc78f32e56930341cfecb97779f635c

    • Size

      803KB

    • MD5

      cf1fcee778c1d3c968b87400cd826ec1

    • SHA1

      7702a653f6b5b4a77f72e17a5e3f0e8577e3150f

    • SHA256

      95d244c156191ee5cf91e16f79a49359edc78f32e56930341cfecb97779f635c

    • SHA512

      970a3ecd53813ddec09686b70fa426657d489526d9475e55ffa42105e77ccb2e9c61f03d483a0f429889cb0eba40058b4927f9edf68d6960128348741bec1955

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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.

    • 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 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

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks