e3842478160c7baf3ba6f1b5531751f96c4d2391577aad4e0c2b98eeb4625890

General
Target

e3842478160c7baf3ba6f1b5531751f96c4d2391577aad4e0c2b98eeb4625890

Size

856KB

Sample

211020-sq8rwshbh6

Score
10 /10
MD5

da8ecb75c808af77a39958cc19ccb15d

SHA1

2a89e82410d3402f75b17d6283b398f97aa4a83e

SHA256

e3842478160c7baf3ba6f1b5531751f96c4d2391577aad4e0c2b98eeb4625890

SHA512

ac8f33bdb11e3c7906b3573bc4764977584b55e67d5c6a2b51c53e952c562706708551f5a3206fb1e295819952e5d1c4d15d397487372bd706ffac7c3e2b16c2

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

e3842478160c7baf3ba6f1b5531751f96c4d2391577aad4e0c2b98eeb4625890

MD5

da8ecb75c808af77a39958cc19ccb15d

Filesize

856KB

Score
10/10
SHA1

2a89e82410d3402f75b17d6283b398f97aa4a83e

SHA256

e3842478160c7baf3ba6f1b5531751f96c4d2391577aad4e0c2b98eeb4625890

SHA512

ac8f33bdb11e3c7906b3573bc4764977584b55e67d5c6a2b51c53e952c562706708551f5a3206fb1e295819952e5d1c4d15d397487372bd706ffac7c3e2b16c2

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 SystemCredentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

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

    Tags

    TTPs

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

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify 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