djvu | 99e748ca7621446e5a5f1f766db667f0fadffcb9bbdb8c760fbb5dcccf6be725

General

Target

99e748ca7621446e5a5f1f766db667f0fadffcb9bbdb8c760fbb5dcccf6be725
Size

702KB
Sample

230331-xl7fgsdh8x
MD5

1ceb7812c1ee3c357a4b64eb84ac2116
SHA1

ab28c3d707cc1b0537e71eda11821334d61469a1
SHA256

99e748ca7621446e5a5f1f766db667f0fadffcb9bbdb8c760fbb5dcccf6be725
SHA512

8179dc3e107250e16f954eab6ded02e215e5aef8360d74a3f6cc1f49be93c49fdaeb3416d2bdc692d3435af304adf53d174054070cd30375e2de6db421fba926
SSDEEP

12288:GbClTZay6o4re/uO1n0+CdsiE4k3CcgdfmixfTMOtNt5FLUNg4:GbyayPzuO10P+idUodOutb5FG

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes

extension
.nifr
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
  
  99e748ca7621446e5a5f1f766db667f0fadffcb9bbdb8c760fbb5dcccf6be725
- Size
  
  702KB
- MD5
  
  1ceb7812c1ee3c357a4b64eb84ac2116
- SHA1
  
  ab28c3d707cc1b0537e71eda11821334d61469a1
- SHA256
  
  99e748ca7621446e5a5f1f766db667f0fadffcb9bbdb8c760fbb5dcccf6be725
- SHA512
  
  8179dc3e107250e16f954eab6ded02e215e5aef8360d74a3f6cc1f49be93c49fdaeb3416d2bdc692d3435af304adf53d174054070cd30375e2de6db421fba926
- SSDEEP
  
  12288:GbClTZay6o4re/uO1n0+CdsiE4k3CcgdfmixfTMOtNt5FLUNg4:GbyayPzuO10P+idUodOutb5FG
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