djvu | 263c5cd8223ec55bac5e48e2d7dc3bd431ce6155ee5f64cf575f09324af3d35b

General

Target

263c5cd8223ec55bac5e48e2d7dc3bd431ce6155ee5f64cf575f09324af3d35b
Size

214KB
Sample

230222-l7663ace9t
MD5

20fd15790c7efd6c9d1adea6a173c876
SHA1

5cb377821a019ab0db82c9a493022ee083824a19
SHA256

263c5cd8223ec55bac5e48e2d7dc3bd431ce6155ee5f64cf575f09324af3d35b
SHA512

6a7d538b94c3bcaac1bbcef144c39b9d944e14f182cd3a36353fc07dfd186b18ac5666a6ad8a418931f663bf564a9e61d9b27ac38bb2b7ca3aeb2b3de6bf0d10
SSDEEP

6144:AozLST8NpcF8eEMll3HecUETsMyQCg1sA31+:tzOTO0BEGzvmg1sAg

Score

10^/10

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

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.iotr
offline_id
O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1
payload_url
http://uaery.top/dl/build2.exe
http://jiqaz.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

2.6

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  263c5cd8223ec55bac5e48e2d7dc3bd431ce6155ee5f64cf575f09324af3d35b
- Size
  
  214KB
- MD5
  
  20fd15790c7efd6c9d1adea6a173c876
- SHA1
  
  5cb377821a019ab0db82c9a493022ee083824a19
- SHA256
  
  263c5cd8223ec55bac5e48e2d7dc3bd431ce6155ee5f64cf575f09324af3d35b
- SHA512
  
  6a7d538b94c3bcaac1bbcef144c39b9d944e14f182cd3a36353fc07dfd186b18ac5666a6ad8a418931f663bf564a9e61d9b27ac38bb2b7ca3aeb2b3de6bf0d10
- SSDEEP
  
  6144:AozLST8NpcF8eEMll3HecUETsMyQCg1sA31+:tzOTO0BEGzvmg1sAg
Score

10^/10

djvu smokeloader vidar 19 backdoor discovery evasion persistence ransomware stealer trojan 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
- Stops running service(s)
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Modifies file permissions
  discovery
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- Adds Run key to start application
  persistence
- 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