2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63

General
Target

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63

Size

782KB

Sample

211021-v3f9hsaeg2

Score
10 /10
MD5

5fa7d5851c1742e75d21c50f5ba3fec0

SHA1

87adb9418060b88a1d996f773f7625a4fceffe80

SHA256

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63

SHA512

e052e13805a8a582ddc16205e6bcaeedfa289f04b08f6fa804a26139fe1a4486638c4e588b3357f1bb2e9dccf3bbd2118f330ee39d2aa7acc7dd1ee0a25c3604

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

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63

MD5

5fa7d5851c1742e75d21c50f5ba3fec0

Filesize

782KB

Score
10 /10
SHA1

87adb9418060b88a1d996f773f7625a4fceffe80

SHA256

2c15801300ea84a41c9e017374ace5a49f810090414d2267c3acde6ec39ace63

SHA512

e052e13805a8a582ddc16205e6bcaeedfa289f04b08f6fa804a26139fe1a4486638c4e588b3357f1bb2e9dccf3bbd2118f330ee39d2aa7acc7dd1ee0a25c3604

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 System Credentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup Folder Modify 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