e564e7021006ff33c00f2965fa3d0fc1d7388434e94610baa83ebcf17a335501

General
Target

e564e7021006ff33c00f2965fa3d0fc1d7388434e94610baa83ebcf17a335501

Size

850KB

Sample

211020-g5ab4agfd3

Score
10 /10
MD5

50103ed2f41f7a25c0d858f1dd894887

SHA1

40a9be09d106102d6a44e75fecfcbc7504435488

SHA256

e564e7021006ff33c00f2965fa3d0fc1d7388434e94610baa83ebcf17a335501

SHA512

c945a397e73c75c9d78e516770a9beb44f0a14bb3a168650c8e326fb9bf0b5386fc8d38eaf4eb19ec9039f45d36d73e5fa5c38bc101d1cf712a99394310dfda4

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

e564e7021006ff33c00f2965fa3d0fc1d7388434e94610baa83ebcf17a335501

MD5

50103ed2f41f7a25c0d858f1dd894887

Filesize

850KB

Score
10/10
SHA1

40a9be09d106102d6a44e75fecfcbc7504435488

SHA256

e564e7021006ff33c00f2965fa3d0fc1d7388434e94610baa83ebcf17a335501

SHA512

c945a397e73c75c9d78e516770a9beb44f0a14bb3a168650c8e326fb9bf0b5386fc8d38eaf4eb19ec9039f45d36d73e5fa5c38bc101d1cf712a99394310dfda4

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