djvu | 312648301f326b84087b6f20be37c1442b8d6f9a44d9465e54a22883d3a61532

General

Target
312648301f326b84087b6f20be37c1442b8d6f9a44d9465e54a22883d3a61532
Size 814KB
Sample230306-msk6qabh38
SHA256 312648301f326b84087b6f20be37c1442b8d6f9a44d9465e54a22883d3a61532
MD5 0b8588379ad0cc771f8d05e0fbf72487
SHA1 39975389c5a3020cd51a65af82279466cf679d37
SHA512 f059d7430678ce3bf930a7c8505f4133479b6adba01f13f2a856cdcf3cf206487443c4ef67d07ad2da7e73998a103772c130713e5c172d70993bc9378d6d8a35
SSDEEP 12288:acafCBESI/mpNnyHa2642SXQm/+mtjv2ttJqqN5WSz:uCS/mKHQSX3/1T2tqqN5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes

extension
.gosw
offline_id
zMrgM3QgNJsLARd9vs9a31qnKMjRqxjLT6s9OQt1
payload_url
http://uaery.top/dl/build2.exe

http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  312648301f326b84087b6f20be37c1442b8d6f9a44d9465e54a22883d3a61532
- Size 814KB
- SHA256 312648301f326b84087b6f20be37c1442b8d6f9a44d9465e54a22883d3a61532
- MD5 0b8588379ad0cc771f8d05e0fbf72487
- SHA1 39975389c5a3020cd51a65af82279466cf679d37
- SHA512 f059d7430678ce3bf930a7c8505f4133479b6adba01f13f2a856cdcf3cf206487443c4ef67d07ad2da7e73998a103772c130713e5c172d70993bc9378d6d8a35
- SSDEEP 12288:acafCBESI/mpNnyHa2642SXQm/+mtjv2ttJqqN5WSz:uCS/mKHQSX3/1T2tqqN5
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1