Overview

overview

10

Static

static

9096aea718...18.exe

windows7_x64

10

9096aea718...18.exe

windows10_x64

10

Sharing

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General

  • Target

    9096aea718a781fff10669ace380c3e1905030469b8eeab8597f8f8df9d93c18

  • Size

    768KB

  • Sample

    210915-je915saba4

  • MD5

    77c36556afc794900e8e90ff4a61d97e

  • SHA1

    f0bda9fe7021e6021873a1ed2acfe8d0aec0426d

  • SHA256

    9096aea718a781fff10669ace380c3e1905030469b8eeab8597f8f8df9d93c18

  • SHA512

    e1446857e1cfce71b830c78d8eb928d2a91b3965e68db67647cda4e74e7d3a4fd7454b53805cb8831e715099d5df30af4a18dccf54b93998b5fa2c3f61f5656c

Score
10/10
djvuvidar517discoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Family

vidar

Version

40.6

Botnet

517

C2

https://dimonbk83.tumblr.com/

Attributes
  • profile_id

    517

Targets

    • Target

      9096aea718a781fff10669ace380c3e1905030469b8eeab8597f8f8df9d93c18

    • Size

      768KB

    • MD5

      77c36556afc794900e8e90ff4a61d97e

    • SHA1

      f0bda9fe7021e6021873a1ed2acfe8d0aec0426d

    • SHA256

      9096aea718a781fff10669ace380c3e1905030469b8eeab8597f8f8df9d93c18

    • SHA512

      e1446857e1cfce71b830c78d8eb928d2a91b3965e68db67647cda4e74e7d3a4fd7454b53805cb8831e715099d5df30af4a18dccf54b93998b5fa2c3f61f5656c

    Score
    10/10
    djvuvidar517discoverypersistenceransomwarespywarestealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Vidar Stealer

      stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Tasks