djvu | 1bc15cdb2bd1270948ad838846721431842ffb686a90401dea803d2406273424

General

Target

1bc15cdb2bd1270948ad838846721431842ffb686a90401dea803d2406273424
Size

717KB
Sample

230331-x2xk8acg39
MD5

266e7b6cc09bf7f9882ffe0d707ef991
SHA1

74df06791434ea2d6fb591ff428ec0e4ef1a89c4
SHA256

1bc15cdb2bd1270948ad838846721431842ffb686a90401dea803d2406273424
SHA512

55381313db92c277ed81dcd3519ac5901d398166c95ee2cf7abe6915451f23766229fb506ec48561395fc7f6e1305c6fb7da8187066c73c36ed21104091a16ec
SSDEEP

12288:jJnToBCmzOxHTmPl1cXKe4MV9IQAvqlkU32z7u1vJxwEjJhqy:VnyNzJN1cyMVsvWn2/uDxwEdh

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.niwm
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  1bc15cdb2bd1270948ad838846721431842ffb686a90401dea803d2406273424
- Size
  
  717KB
- MD5
  
  266e7b6cc09bf7f9882ffe0d707ef991
- SHA1
  
  74df06791434ea2d6fb591ff428ec0e4ef1a89c4
- SHA256
  
  1bc15cdb2bd1270948ad838846721431842ffb686a90401dea803d2406273424
- SHA512
  
  55381313db92c277ed81dcd3519ac5901d398166c95ee2cf7abe6915451f23766229fb506ec48561395fc7f6e1305c6fb7da8187066c73c36ed21104091a16ec
- SSDEEP
  
  12288:jJnToBCmzOxHTmPl1cXKe4MV9IQAvqlkU32z7u1vJxwEjJhqy:VnyNzJN1cyMVsvWn2/uDxwEdh
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 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