djvu | c45b112928b22ba36de922755134df872b23cb36fd93402dd3454f437576207d

General

Target

c45b112928b22ba36de922755134df872b23cb36fd93402dd3454f437576207d
Size

141KB
Sample

220930-zacsvaega7
MD5

d64e9fd53d48f7f36a9e096b04bdcd7b
SHA1

035cb1cb06b3fbbc8d6f88c338369ce4cddf80fb
SHA256

c45b112928b22ba36de922755134df872b23cb36fd93402dd3454f437576207d
SHA512

5f14907273f6f2b5484ec930ae05f9d6a44c8107b09a8aef393b70fb0cf65110bf6c92e6d53979ca4d17d7bb97d8b1b204a7599e89509428aefdd4bfed558949
SSDEEP

3072:08RgbnU94FUzhqdR0AqJQULEaXMXcY5Sn6rYZ90w0mSj:0dbFMh0AQ4dXMDS6rYZ9fSj

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ofww
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

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Targets

- Target
  
  c45b112928b22ba36de922755134df872b23cb36fd93402dd3454f437576207d
- Size
  
  141KB
- MD5
  
  d64e9fd53d48f7f36a9e096b04bdcd7b
- SHA1
  
  035cb1cb06b3fbbc8d6f88c338369ce4cddf80fb
- SHA256
  
  c45b112928b22ba36de922755134df872b23cb36fd93402dd3454f437576207d
- SHA512
  
  5f14907273f6f2b5484ec930ae05f9d6a44c8107b09a8aef393b70fb0cf65110bf6c92e6d53979ca4d17d7bb97d8b1b204a7599e89509428aefdd4bfed558949
- SSDEEP
  
  3072:08RgbnU94FUzhqdR0AqJQULEaXMXcY5Sn6rYZ90w0mSj:0dbFMh0AQ4dXMDS6rYZ9fSj
Score

10^/10

djvu smokeloader vidar 517 backdoor collection discovery persistence ransomware spyware stealer trojan
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- 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 Microsoft Outlook profiles
  collection
- 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