djvu | bc7aba88fe76c29514cf73d16d9ddec04eb70ff5929c30632a019c3f5efed695

General

Target

bc7aba88fe76c29514cf73d16d9ddec04eb70ff5929c30632a019c3f5efed695
Size

839KB
Sample

211207-n2ntmsbhb2
MD5

b9303718ec6b6d937763643b718b9581
SHA1

16a3a3466b42fca48102ed8e784cdcbc6a73be75
SHA256

bc7aba88fe76c29514cf73d16d9ddec04eb70ff5929c30632a019c3f5efed695
SHA512

ee744b0c72b75198a8f5fe84142c0bd2ac15c9ea1e349f646f56b93f594f58dd2cdb74530d5d7fdbbecf1bdebe059e09d45fb12347090abc5e2afc9f6a728340

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.hgsh
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
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

49

Botnet

517

C2

https://mstdn.social/@sergeev43

https://koyu.space/@sergeev45

Attributes

profile_id
517

Targets

- Target
  
  bc7aba88fe76c29514cf73d16d9ddec04eb70ff5929c30632a019c3f5efed695
- Size
  
  839KB
- MD5
  
  b9303718ec6b6d937763643b718b9581
- SHA1
  
  16a3a3466b42fca48102ed8e784cdcbc6a73be75
- SHA256
  
  bc7aba88fe76c29514cf73d16d9ddec04eb70ff5929c30632a019c3f5efed695
- SHA512
  
  ee744b0c72b75198a8f5fe84142c0bd2ac15c9ea1e349f646f56b93f594f58dd2cdb74530d5d7fdbbecf1bdebe059e09d45fb12347090abc5e2afc9f6a728340
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