930d8bf8f40ff671a297a043159b9490fc8c101ca56dbc3d1ff6e693deed5c2d

General
Target

930d8bf8f40ff671a297a043159b9490fc8c101ca56dbc3d1ff6e693deed5c2d

Size

827KB

Sample

211019-3pcyyagdg3

Score
10 /10
MD5

8f0d1fa6089f163e683ade1a50c9b1cf

SHA1

d3798a21bbde352163a06844c52433a254066dd8

SHA256

930d8bf8f40ff671a297a043159b9490fc8c101ca56dbc3d1ff6e693deed5c2d

SHA512

fea5cae1d8d8957adc5f7ee0625be960d7055b64d025919d8c2b18744a59ca6ca823beda24841d702cfe45112fc099f1f4102fe0e0bc4103c60887ec307fe02b

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

930d8bf8f40ff671a297a043159b9490fc8c101ca56dbc3d1ff6e693deed5c2d

MD5

8f0d1fa6089f163e683ade1a50c9b1cf

Filesize

827KB

Score
10/10
SHA1

d3798a21bbde352163a06844c52433a254066dd8

SHA256

930d8bf8f40ff671a297a043159b9490fc8c101ca56dbc3d1ff6e693deed5c2d

SHA512

fea5cae1d8d8957adc5f7ee0625be960d7055b64d025919d8c2b18744a59ca6ca823beda24841d702cfe45112fc099f1f4102fe0e0bc4103c60887ec307fe02b

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