djvu | b14909504d2bd6de17ce36520814b64ddeb074d6192985fa8eb04929edc7a9a9

General

Target

file
Size

298KB
Sample

230201-byfyeadc5x
MD5

76de3dfbd302a3ee0aa382233c19ffa1
SHA1

1d089bab53e6397fab62fa0b77777691ab104be3
SHA256

b14909504d2bd6de17ce36520814b64ddeb074d6192985fa8eb04929edc7a9a9
SHA512

44d554be68dee3c733868121f0055722e638ac4f9c8fca2b0841be4c95ed3ae055299586e7476f74e9170df7a0642b80dd4a0ccacb62f7b817c9bf1e69615503
SSDEEP

3072:zZBzk8L2tRcQRFa5IIiCAhYXpNjULRj0TmqPUx6WfQz86b2GDR3MM5:/k8L2QQRFGDiRaX70p0TmqMoI1GDR8M

Score

10^/10

djvu smokeloader vidar 19 backdoor discovery persistence ransomware spyware stealer trojan vmprotect

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.erop
offline_id
xVB7l5LcUtDGyghMgGsTvebrKc0RGgDXlN1BoKt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

2.3

Botnet

19

C2

https://t.me/mantarlars

https://steamcommunity.com/profiles/76561199474840123

Attributes

profile_id
19

Targets

- Target
  
  file
- Size
  
  298KB
- MD5
  
  76de3dfbd302a3ee0aa382233c19ffa1
- SHA1
  
  1d089bab53e6397fab62fa0b77777691ab104be3
- SHA256
  
  b14909504d2bd6de17ce36520814b64ddeb074d6192985fa8eb04929edc7a9a9
- SHA512
  
  44d554be68dee3c733868121f0055722e638ac4f9c8fca2b0841be4c95ed3ae055299586e7476f74e9170df7a0642b80dd4a0ccacb62f7b817c9bf1e69615503
- SSDEEP
  
  3072:zZBzk8L2tRcQRFa5IIiCAhYXpNjULRj0TmqPUx6WfQz86b2GDR3MM5:/k8L2QQRFGDiRaX70p0TmqMoI1GDR8M
Score

10^/10

smokeloader backdoor trojan djvu vidar 19 discovery persistence ransomware spyware stealer vmprotect
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- 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
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- 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