124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88

General
Target

124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88

Size

780KB

Sample

211021-bkcntshga5

Score
10 /10
MD5

497026e9823732acf829ca2bdadc7c34

SHA1

35614b249134075d4ed8eb9821ed99fbbbf10afe

SHA256

124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88

SHA512

1861ea3682e99b0c4aab637bd337cc6c8b250c353076862d91774dc9f1f16e3ac1bc9cc777406a497dc575c7bc6f3df806da87de50bbcf4baf8d12e0c000b583

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/fhsgtsspen6

Targets
Target

124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88

MD5

497026e9823732acf829ca2bdadc7c34

Filesize

780KB

Score
10 /10
SHA1

35614b249134075d4ed8eb9821ed99fbbbf10afe

SHA256

124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88

SHA512

1861ea3682e99b0c4aab637bd337cc6c8b250c353076862d91774dc9f1f16e3ac1bc9cc777406a497dc575c7bc6f3df806da87de50bbcf4baf8d12e0c000b583

Tags

Signatures

  • Detected Djvu ransomware

  • Djvu Ransomware

    Description

    Ransomware which is a variant of the STOP family.

    Tags

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • Vidar Stealer

    Tags

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification
  • Reads user/profile data of web browsers

    Description

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

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup Folder Modify Registry
  • Checks installed software on the system

    Description

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

    Tags

    TTPs

    Query Registry
  • Looks up external IP address via web service

    Description

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

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation