djvu | f884f6e216f83241b274ae0a2def66bd5db40a206df626360474ebfc2357f8a1

General

Target

file.exe
Size

720KB
Sample

220925-h6nfsadgc9
MD5

a93589f87d86f9962b0e896026675dbd
SHA1

a9c6a9ba5bbc616aa8a24f7fd86c4a6da76aa2a1
SHA256

f884f6e216f83241b274ae0a2def66bd5db40a206df626360474ebfc2357f8a1
SHA512

b75d6c6b5640c7f877169895477a3cc9dc0bce21df1df58a8e4a06e4ffe997bd74e0731b0151fc390573abeaf0d5a74edec9c2e2872a81d7ca2f10ceb8e1daa4
SSDEEP

12288:Mo1ddEf3tr18sJyfzK6+UbkD9digEfaNHSCdyK8wZWw4McVNNssGOX6AKB:HrEPtr18XGRUgJdWWHhdyK87w41NNKO6

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes

extension
.ofoq
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975

Attributes

profile_id
517

Targets

- Target
  
  file.exe
- Size
  
  720KB
- MD5
  
  a93589f87d86f9962b0e896026675dbd
- SHA1
  
  a9c6a9ba5bbc616aa8a24f7fd86c4a6da76aa2a1
- SHA256
  
  f884f6e216f83241b274ae0a2def66bd5db40a206df626360474ebfc2357f8a1
- SHA512
  
  b75d6c6b5640c7f877169895477a3cc9dc0bce21df1df58a8e4a06e4ffe997bd74e0731b0151fc390573abeaf0d5a74edec9c2e2872a81d7ca2f10ceb8e1daa4
- SSDEEP
  
  12288:Mo1ddEf3tr18sJyfzK6+UbkD9digEfaNHSCdyK8wZWw4McVNNssGOX6AKB:HrEPtr18XGRUgJdWWHhdyK87w41NNKO6
Score

10^/10

djvu vidar 517 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
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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 behavioral2