djvu | a77ddde732c33e1faf100031351f141b7afa88525c5ac6a03805f7e59720ad51

General

Target

a77ddde732c33e1faf100031351f141b7afa88525c5ac6a03805f7e59720ad51
Size

794KB
Sample

220523-yaszdsgdhn
MD5

43a54331fd7de4f56a2c17941f346637
SHA1

238938de018a0e38c19a2d2a38287ac10ea92209
SHA256

a77ddde732c33e1faf100031351f141b7afa88525c5ac6a03805f7e59720ad51
SHA512

0d3dfb1913a0633ed42aec834fb6fec33c05b4f91ca21ad0689572a7c3eedaa42d435ae0913f0de547fd8c20a8bedd7e58eec5e63c95b43666d370728bfecc53

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://ugll.org/test1/get.php

Attributes

extension
.nnuz
offline_id
vBBkNb2o254Xzi3oCcyyfpBNyU9yOZKLh1HH5Mt1
payload_url
http://zerit.top/dl/build2.exe

http://ugll.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

52.1

Botnet

517

C2

https://t.me/verstappenf1r

https://climatejustice.social/@ronxik312

Attributes

profile_id
517

Targets

- Target
  
  a77ddde732c33e1faf100031351f141b7afa88525c5ac6a03805f7e59720ad51
- Size
  
  794KB
- MD5
  
  43a54331fd7de4f56a2c17941f346637
- SHA1
  
  238938de018a0e38c19a2d2a38287ac10ea92209
- SHA256
  
  a77ddde732c33e1faf100031351f141b7afa88525c5ac6a03805f7e59720ad51
- SHA512
  
  0d3dfb1913a0633ed42aec834fb6fec33c05b4f91ca21ad0689572a7c3eedaa42d435ae0913f0de547fd8c20a8bedd7e58eec5e63c95b43666d370728bfecc53
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata
- 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
- suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata
- suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
  suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
  suricata
- suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
  suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
  suricata
- suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
  suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
  suricata
- suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload
  suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload
  suricata
- Vidar Stealer
  stealer
- 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