djvu | 34431ce8dbcda2468f8db0660860b4ae216015240c82d81b30ee29a98ae3aa8f

General

Target

34431ce8dbcda2468f8db0660860b4ae216015240c82d81b30ee29a98ae3aa8f
Size

733KB
Sample

230330-rx789sda76
MD5

5bcc3600f401bec1fd6022b48f0d459a
SHA1

e441db281ca0aa1362360f2f376e036ceb78925d
SHA256

34431ce8dbcda2468f8db0660860b4ae216015240c82d81b30ee29a98ae3aa8f
SHA512

48d662296916c3abaaff883782898bed2ee92a9610750a987336ef6ca2f538b69d930afe936c688dce2bdd96c52679f4ddbae464d5351eca047215f928da1f4c
SSDEEP

12288:jOywXKuBQ0mtoRvYiSYTKN22WYcWfTvxYaJhfBD:yXKyAtoRfSYTPHeDxYIh

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.jywd
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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
  
  34431ce8dbcda2468f8db0660860b4ae216015240c82d81b30ee29a98ae3aa8f
- Size
  
  733KB
- MD5
  
  5bcc3600f401bec1fd6022b48f0d459a
- SHA1
  
  e441db281ca0aa1362360f2f376e036ceb78925d
- SHA256
  
  34431ce8dbcda2468f8db0660860b4ae216015240c82d81b30ee29a98ae3aa8f
- SHA512
  
  48d662296916c3abaaff883782898bed2ee92a9610750a987336ef6ca2f538b69d930afe936c688dce2bdd96c52679f4ddbae464d5351eca047215f928da1f4c
- SSDEEP
  
  12288:jOywXKuBQ0mtoRvYiSYTKN22WYcWfTvxYaJhfBD:yXKyAtoRfSYTPHeDxYIh
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