djvu | b06070443b0693394daced912c6e92a4123c9a47e0e5fd96d4fc345ece746e91

General

Target

b06070443b0693394daced912c6e92a4123c9a47e0e5fd96d4fc345ece746e91
Size

787KB
Sample

230903-nlhbxshg87
MD5

9ed576976a446215649735cba2e5a776
SHA1

4d890e5c3d07fb1866a13beef7096114cf64986a
SHA256

b06070443b0693394daced912c6e92a4123c9a47e0e5fd96d4fc345ece746e91
SHA512

2ad0f038f781b32dc72f86b3bf919c4c172dc4704526b10dcc3f69602159adce36af0c996d7b9cf43614ebfb95c9f95150db536a94f9ecb8699269a64b4fa337
SSDEEP

12288:V7ErFSBLr6EKPy/CA4EHGLDUAu2SUY3a1ID+sRNbcPPEl3R/iHsF:ZErFS8yKFUh2SUY3YSbciR/iHsF

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.rzkd
offline_id
4OGfweO4lKfNTwKczrTWD8yTxQkyAGofoZhcOKt1
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

5.4

Botnet

25f5344bfcb62e75b7946c3a681aec54

C2

https://t.me/vogogor

https://steamcommunity.com/profiles/76561199545993403

Attributes

profile_id_v2
25f5344bfcb62e75b7946c3a681aec54
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13

Targets

- Target
  
  b06070443b0693394daced912c6e92a4123c9a47e0e5fd96d4fc345ece746e91
- Size
  
  787KB
- MD5
  
  9ed576976a446215649735cba2e5a776
- SHA1
  
  4d890e5c3d07fb1866a13beef7096114cf64986a
- SHA256
  
  b06070443b0693394daced912c6e92a4123c9a47e0e5fd96d4fc345ece746e91
- SHA512
  
  2ad0f038f781b32dc72f86b3bf919c4c172dc4704526b10dcc3f69602159adce36af0c996d7b9cf43614ebfb95c9f95150db536a94f9ecb8699269a64b4fa337
- SSDEEP
  
  12288:V7ErFSBLr6EKPy/CA4EHGLDUAu2SUY3a1ID+sRNbcPPEl3R/iHsF:ZErFS8yKFUh2SUY3YSbciR/iHsF
Score

10^/10

djvu vidar 25f5344bfcb62e75b7946c3a681aec54 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
- 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
- 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