djvu | 3968ab06e4eaf9eaac81c5c64bd4712376c32250a3acff34532b1384d8dd8b7d

General

Target

3968ab06e4eaf9eaac81c5c64bd4712376c32250a3acff34532b1384d8dd8b7d
Size

798KB
Sample

230620-jk28gsag82
MD5

3866e5486428e7e6d1f123454f1a550a
SHA1

f325e0a667ed6f547319b18b6b64d745c936915d
SHA256

3968ab06e4eaf9eaac81c5c64bd4712376c32250a3acff34532b1384d8dd8b7d
SHA512

2613f191138b65a6dc32de92cc981a79da0574e6df422825a99ebdb335f4b368f6a2696c98858d76d57926df56fa207e67590d648247c15df3f6d66d4297e3f9
SSDEEP

12288:hcvk+KR/lIWaomQfwJvxxjy7rRAHwK2JkYodTKVSIC05ZrI3E0o:o5M/lIzQfwJvxty7VKp1nvWZ0EB

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.bhtw
offline_id
dC3YFHQV7OsRjFA841iwemRvH1RvytDgyBIx5St1
payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

4.4

Botnet

153ce668f1e21829c936c2b11fa4d869

C2

https://steamcommunity.com/profiles/76561199235044780

https://t.me/headlist

Attributes

profile_id_v2
153ce668f1e21829c936c2b11fa4d869
user_agent
Mozilla/5.0 (Linux; Android 7.0; Pixel C Build/NRD91D; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Safari/537.36

Targets

- Target
  
  3968ab06e4eaf9eaac81c5c64bd4712376c32250a3acff34532b1384d8dd8b7d
- Size
  
  798KB
- MD5
  
  3866e5486428e7e6d1f123454f1a550a
- SHA1
  
  f325e0a667ed6f547319b18b6b64d745c936915d
- SHA256
  
  3968ab06e4eaf9eaac81c5c64bd4712376c32250a3acff34532b1384d8dd8b7d
- SHA512
  
  2613f191138b65a6dc32de92cc981a79da0574e6df422825a99ebdb335f4b368f6a2696c98858d76d57926df56fa207e67590d648247c15df3f6d66d4297e3f9
- SSDEEP
  
  12288:hcvk+KR/lIWaomQfwJvxxjy7rRAHwK2JkYodTKVSIC05ZrI3E0o:o5M/lIzQfwJvxty7VKp1nvWZ0EB
Score

10^/10

djvu vidar 153ce668f1e21829c936c2b11fa4d869 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