c1f3acebb74ec72eda14d15694632b6fa369b14a293e63c1396787865e5b7c03

General
Target

c1f3acebb74ec72eda14d15694632b6fa369b14a293e63c1396787865e5b7c03

Size

826KB

Sample

211020-d3r8cagee5

Score
10 /10
MD5

ec749cc35354ee9471459504163a7a09

SHA1

b4b24f8832596ef38e27dbf69ba717df69ddf076

SHA256

c1f3acebb74ec72eda14d15694632b6fa369b14a293e63c1396787865e5b7c03

SHA512

fcf9c538df80f6f60e7f142326513c426d06b16530b93709ffdfbbad0f05c331e2817bc47779535ed80bb9e4390f1d62b1c305b51c73ee403b73bc522ea9788d

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

c1f3acebb74ec72eda14d15694632b6fa369b14a293e63c1396787865e5b7c03

MD5

ec749cc35354ee9471459504163a7a09

Filesize

826KB

Score
10/10
SHA1

b4b24f8832596ef38e27dbf69ba717df69ddf076

SHA256

c1f3acebb74ec72eda14d15694632b6fa369b14a293e63c1396787865e5b7c03

SHA512

fcf9c538df80f6f60e7f142326513c426d06b16530b93709ffdfbbad0f05c331e2817bc47779535ed80bb9e4390f1d62b1c305b51c73ee403b73bc522ea9788d

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