djvu | 923da655f6962bbc8212b040b795fef43a507cc50590c25156f7a065b47d95df

General

Target

923da655f6962bbc8212b040b795fef43a507cc50590c25156f7a065b47d95df
Size

741KB
Sample

230401-kzvydsha77
MD5

d92dc358f379652657517fc816bccdad
SHA1

571f18fe3df4fba090ec96de6c5c00030c0b8d75
SHA256

923da655f6962bbc8212b040b795fef43a507cc50590c25156f7a065b47d95df
SHA512

b0715374f9daae11fe449800e13dc88d62fa59731516fe21662788904b588b5fff547fc9733a76393c653bdba26c99f9c9856500bd7a0d3acf85d648f7ec3172
SSDEEP

12288:2fpGxNb89+nsFV0lcAcHaMDwj9mT4r2rTa8utCyPooE1rD4Qvo:pXb8U4PF6MwsT4qrTa8mIR3w

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nitz
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
  
  923da655f6962bbc8212b040b795fef43a507cc50590c25156f7a065b47d95df
- Size
  
  741KB
- MD5
  
  d92dc358f379652657517fc816bccdad
- SHA1
  
  571f18fe3df4fba090ec96de6c5c00030c0b8d75
- SHA256
  
  923da655f6962bbc8212b040b795fef43a507cc50590c25156f7a065b47d95df
- SHA512
  
  b0715374f9daae11fe449800e13dc88d62fa59731516fe21662788904b588b5fff547fc9733a76393c653bdba26c99f9c9856500bd7a0d3acf85d648f7ec3172
- SSDEEP
  
  12288:2fpGxNb89+nsFV0lcAcHaMDwj9mT4r2rTa8utCyPooE1rD4Qvo:pXb8U4PF6MwsT4qrTa8mIR3w
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