djvu | c25e79a957cbefab29aabcb77802de3839477cd779c7fc6dd769812cfea8be8f

General

Target

c25e79a957cbefab29aabcb77802de3839477cd779c7fc6dd769812cfea8be8f
Size

695KB
Sample

211126-r4zkpsgcc9
MD5

43864ddcf2f8032daaa76806a9391e86
SHA1

0ea1259217631fd83368164906604de81c5dd959
SHA256

c25e79a957cbefab29aabcb77802de3839477cd779c7fc6dd769812cfea8be8f
SHA512

fa779c45aa4e41e4b044308ca50e13eaf5df909fe299b9e3388e68659ee3f7f0dd5e5d3eb985f5e01eb20cbe66864aebf0e5198cbaf85c4e6e49867f74fb7363

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/lancer/get.php

Attributes

extension
.robm
offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
payload_url
http://kotob.top/dl/build2.exe

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

Extracted

Family

vidar

Version

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes

profile_id
517

Targets

- Target
  
  c25e79a957cbefab29aabcb77802de3839477cd779c7fc6dd769812cfea8be8f
- Size
  
  695KB
- MD5
  
  43864ddcf2f8032daaa76806a9391e86
- SHA1
  
  0ea1259217631fd83368164906604de81c5dd959
- SHA256
  
  c25e79a957cbefab29aabcb77802de3839477cd779c7fc6dd769812cfea8be8f
- SHA512
  
  fa779c45aa4e41e4b044308ca50e13eaf5df909fe299b9e3388e68659ee3f7f0dd5e5d3eb985f5e01eb20cbe66864aebf0e5198cbaf85c4e6e49867f74fb7363
Score

10^/10

djvu vidar 517 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
- Vidar Stealer
  stealer
- 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
- 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