7566018702c88335d7e8a9a5f3718d18708b1c786a701dab20adc74ea8dee5b4

General
Target

7566018702c88335d7e8a9a5f3718d18708b1c786a701dab20adc74ea8dee5b4

Size

781KB

Sample

211021-zf37zsaga5

Score
10 /10
MD5

b40dc1a17da4d295e4c30843ac29d583

SHA1

98792377ece350ec01930e7faa7657f0cfa0e9fd

SHA256

7566018702c88335d7e8a9a5f3718d18708b1c786a701dab20adc74ea8dee5b4

SHA512

28ce318e89626ffaf17020dadf598a824d6f5f5f671239324db14a77b070d4375c39e1b3b0aa7fc7ab5c931b300a3703a3f4746232d62afbbcd3c55c7f10a04a

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

7566018702c88335d7e8a9a5f3718d18708b1c786a701dab20adc74ea8dee5b4

MD5

b40dc1a17da4d295e4c30843ac29d583

Filesize

781KB

Score
10/10
SHA1

98792377ece350ec01930e7faa7657f0cfa0e9fd

SHA256

7566018702c88335d7e8a9a5f3718d18708b1c786a701dab20adc74ea8dee5b4

SHA512

28ce318e89626ffaf17020dadf598a824d6f5f5f671239324db14a77b070d4375c39e1b3b0aa7fc7ab5c931b300a3703a3f4746232d62afbbcd3c55c7f10a04a

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