djvu | a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c

General

Target
A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe
Size 783KB
Sample221020-lvf44sgdf6
SHA256 a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c
MD5 851f7b783fe0dfcfb4d9befc8f167e95
SHA1 1e0683b9e3b8fa7695605c93eecb92ee7b4488bb
SHA512 9c8848c6d854fb6089a1c09775985779934ac2fecbdf602a625de0acef956dafe3e6a4e63c1578d9706e4ed42ca91450178c08e544e604a687ca744a396f271a
SSDEEP 12288:FIwEu2Qxyr8TgkLNaQ5dqkCY8T5XZjOcVO2CT+J99QOpodTRC2hvVZFIPmkRHI:mW2aTZRqkUTLOxqJAOpKRRh9LIPmf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.qqjj
offline_id
0MVuBxT6o3dUivEUdhCKPfN5ljxbYptbzrFZvst1
payload_url
http://rgyui.top/dl/build2.exe

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

Extracted

Family

vidar

Version

55.1

Botnet

517

C2

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  A74B599EA12643A01A716A4E286D6EBBED6EDDEDFA82E.exe
- Size 783KB
- SHA256 a74b599ea12643a01a716a4e286d6ebbed6eddedfa82ed3215ba002f1081847c
- MD5 851f7b783fe0dfcfb4d9befc8f167e95
- SHA1 1e0683b9e3b8fa7695605c93eecb92ee7b4488bb
- SHA512 9c8848c6d854fb6089a1c09775985779934ac2fecbdf602a625de0acef956dafe3e6a4e63c1578d9706e4ed42ca91450178c08e544e604a687ca744a396f271a
- SSDEEP 12288:FIwEu2Qxyr8TgkLNaQ5dqkCY8T5XZjOcVO2CT+J99QOpodTRC2hvVZFIPmkRHI:mW2aTZRqkUTLOxqJAOpKRRh9LIPmf
- MD5 SHA1 SHA512 SSDEEP
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
- 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 behavioral2