djvu | 554b88a192a0f6a2d86487d33200529efea4f0a30e632f2c035f5bb39fb58784

General

Target

554b88a192a0f6a2d86487d33200529efea4f0a30e632f2c035f5bb39fb58784
Size

267KB
Sample

230112-qvw8jsgb44
MD5

f581b64cf6fdd9ecfed989b525d35870
SHA1

42b653fd51ae6b4e06b5352cb5f04a03d2c7f000
SHA256

554b88a192a0f6a2d86487d33200529efea4f0a30e632f2c035f5bb39fb58784
SHA512

6c1fc3a34c5d71ce94e1920014a5fa56de1f9615cb1441ac330ccad677036ab08d8ec14cfbc1029b9043711a0566d50297a0ad096cc70ceae90d552eec3d4c2f
SSDEEP

6144:BpAmOLjR4zpbz0HwcggLFQRdCNGpMskFQH2Yp:fAmOXR4zpH0Hw/6CRMURkFo2Y

Score

10^/10

djvu smokeloader vidar 19 backdoor discovery persistence ransomware spyware stealer trojan

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.zouu
offline_id
7hl6KB3alcoZ6n4DhS2rApCezkIMzShntAiXWMt1
payload_url
http://uaery.top/dl/build2.exe

http://spaceris.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

2

Botnet

19

C2

https://t.me/tgdatapacks

https://steamcommunity.com/profiles/76561199469677637

Attributes

profile_id
19

Targets

- Target
  
  554b88a192a0f6a2d86487d33200529efea4f0a30e632f2c035f5bb39fb58784
- Size
  
  267KB
- MD5
  
  f581b64cf6fdd9ecfed989b525d35870
- SHA1
  
  42b653fd51ae6b4e06b5352cb5f04a03d2c7f000
- SHA256
  
  554b88a192a0f6a2d86487d33200529efea4f0a30e632f2c035f5bb39fb58784
- SHA512
  
  6c1fc3a34c5d71ce94e1920014a5fa56de1f9615cb1441ac330ccad677036ab08d8ec14cfbc1029b9043711a0566d50297a0ad096cc70ceae90d552eec3d4c2f
- SSDEEP
  
  6144:BpAmOLjR4zpbz0HwcggLFQRdCNGpMskFQH2Yp:fAmOXR4zpH0Hw/6CRMURkFo2Y
Score

10^/10

djvu smokeloader vidar 19 backdoor 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
- Blocklisted process makes network request
- 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 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