c82c9950a637ded1fd996155cfb47f65bf9d5090f1c4f4f7fc042daf36eea5c0

General
Target

c82c9950a637ded1fd996155cfb47f65bf9d5090f1c4f4f7fc042daf36eea5c0

Size

856KB

Sample

211020-wfc41shde9

Score
10 /10
MD5

68868732172af0e97a730f022d4bda69

SHA1

239eb5b362e4c8ebfb805960404a9364fe5c2eee

SHA256

c82c9950a637ded1fd996155cfb47f65bf9d5090f1c4f4f7fc042daf36eea5c0

SHA512

f0f376500e6994db92e1cb65c920693f30b51ae01d080c808580d6e433da07e5afedff65f48bc4d8c4949887edbca51c32c0ca1b596808f04245323dcbcf899a

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

c82c9950a637ded1fd996155cfb47f65bf9d5090f1c4f4f7fc042daf36eea5c0

MD5

68868732172af0e97a730f022d4bda69

Filesize

856KB

Score
10/10
SHA1

239eb5b362e4c8ebfb805960404a9364fe5c2eee

SHA256

c82c9950a637ded1fd996155cfb47f65bf9d5090f1c4f4f7fc042daf36eea5c0

SHA512

f0f376500e6994db92e1cb65c920693f30b51ae01d080c808580d6e433da07e5afedff65f48bc4d8c4949887edbca51c32c0ca1b596808f04245323dcbcf899a

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