djvu | b5c2b381305b21be548d0123d9b4f44c101f324c1e0a6a3360ddaec4935de4f9

General

Target

b5c2b381305b21be548d0123d9b4f44c101f324c1e0a6a3360ddaec4935de4f9
Size

212KB
Sample

221011-avm2wafhhk
MD5

e5cd16545fe8d04faa7e7793e42df55d
SHA1

a9a297b8d843c9e742fd05708f20d51d7540a101
SHA256

b5c2b381305b21be548d0123d9b4f44c101f324c1e0a6a3360ddaec4935de4f9
SHA512

bdd802cbb218eea6e1bd7be779b8aa1755d81be0c196d1568a32b07e51fe6400b4c36d41e8170c3412f4f9a25a0dbb4ac001ed5741b3b575250c2a8f29309b1e
SSDEEP

6144:rdXc8LdksBzxz7uvgwc5zPViWNFdw6pu:rdXc8bB9WvpcBNHtvpu

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.towz
offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
payload_url
http://rgyui.top/dl/build2.exe

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

Extracted

Family

vidar

Version

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Extracted

Family

redline

Botnet

buildnewdomain

C2

hrabrlonian.xyz:81

Attributes

auth_value
90794203993789d187f29ff50d00de2e

Targets

- Target
  
  b5c2b381305b21be548d0123d9b4f44c101f324c1e0a6a3360ddaec4935de4f9
- Size
  
  212KB
- MD5
  
  e5cd16545fe8d04faa7e7793e42df55d
- SHA1
  
  a9a297b8d843c9e742fd05708f20d51d7540a101
- SHA256
  
  b5c2b381305b21be548d0123d9b4f44c101f324c1e0a6a3360ddaec4935de4f9
- SHA512
  
  bdd802cbb218eea6e1bd7be779b8aa1755d81be0c196d1568a32b07e51fe6400b4c36d41e8170c3412f4f9a25a0dbb4ac001ed5741b3b575250c2a8f29309b1e
- SSDEEP
  
  6144:rdXc8LdksBzxz7uvgwc5zPViWNFdw6pu:rdXc8bB9WvpcBNHtvpu
Score

10^/10

djvu redline smokeloader vidar 517 buildnewdomain backdoor collection discovery infostealer persistence ransomware spyware stealer trojan
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- Deletes itself
- 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 Microsoft Outlook profiles
  collection
- 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