djvu | 037d5f3e49f34ce63b57cefbe156f321d0fb1a985822d3488f15074f87e47dd5

General

Target

037d5f3e49f34ce63b57cefbe156f321d0fb1a985822d3488f15074f87e47dd5
Size

745KB
Sample

230618-z8zehahg93
MD5

f3a3bd6b46bc63c9868aa484ae664592
SHA1

7a7b0d12567d6f9e7974c802158dfc195dce8cb6
SHA256

037d5f3e49f34ce63b57cefbe156f321d0fb1a985822d3488f15074f87e47dd5
SHA512

896143411bf3332daeef71abdae8c2e0819279059422f7cbb3a03c7982031283abe916395cbd74eee9af6850333a9ad4ef0c695e05fa287b63f28475b1ad5b79
SSDEEP

12288:SR+YdcLLHk0ETjOJFX6dObgDWXgmew8m7n960pfcUMiujUu:SR+BXkvjyXlzXTeU7pMxwu

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ahui
offline_id
vPWUuYIO6Lzy2cGt8zL7FERKTf4QMBPjn7F005t1
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

4.3

Botnet

a129a8292a021d62796bfced1018aa1f

C2

https://steamcommunity.com/profiles/76561199514261168

https://t.me/kamaprimo

Attributes

profile_id_v2
a129a8292a021d62796bfced1018aa1f
user_agent
Mozilla/5.0 (Linux; U; Tizen 2.0; en-us) AppleWebKit/537.1 (KHTML, like Gecko) Mobile TizenBrowser/2.0

Targets

- Target
  
  037d5f3e49f34ce63b57cefbe156f321d0fb1a985822d3488f15074f87e47dd5
- Size
  
  745KB
- MD5
  
  f3a3bd6b46bc63c9868aa484ae664592
- SHA1
  
  7a7b0d12567d6f9e7974c802158dfc195dce8cb6
- SHA256
  
  037d5f3e49f34ce63b57cefbe156f321d0fb1a985822d3488f15074f87e47dd5
- SHA512
  
  896143411bf3332daeef71abdae8c2e0819279059422f7cbb3a03c7982031283abe916395cbd74eee9af6850333a9ad4ef0c695e05fa287b63f28475b1ad5b79
- SSDEEP
  
  12288:SR+YdcLLHk0ETjOJFX6dObgDWXgmew8m7n960pfcUMiujUu:SR+BXkvjyXlzXTeU7pMxwu
Score

10^/10

djvu vidar a129a8292a021d62796bfced1018aa1f 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