djvu | 1bf8407b6c926fa152a437f88622761cb78e1837c88b70b483ff51e04e412405

General

Target

1bf8407b6c926fa152a437f88622761cb78e1837c88b70b483ff51e04e412405
Size

252KB
Sample

230225-sx7headd3s
MD5

17c79fc64187a8c5018aea159e24eff3
SHA1

645f3055fbcdfbce587d3450e029cd2f8c4909c3
SHA256

1bf8407b6c926fa152a437f88622761cb78e1837c88b70b483ff51e04e412405
SHA512

fa29ef3e9f088c810183b87f1132d2bad8fa082465e2fd33870747ef7432bc864370d019dc244b536be75378f97e6f5b905e9335ae9906682499aecf948ae5f3
SSDEEP

3072:lROqQLL4FD/yIr32/0kfv3hHZv6yP+QBkdq4kaoOJA91+AO8lhHo:rwLuyIrwvdkk+QB8qlaTA9IOL

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

http://jiqaz.com/test2/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

Targets

- Target
  
  1bf8407b6c926fa152a437f88622761cb78e1837c88b70b483ff51e04e412405
- Size
  
  252KB
- MD5
  
  17c79fc64187a8c5018aea159e24eff3
- SHA1
  
  645f3055fbcdfbce587d3450e029cd2f8c4909c3
- SHA256
  
  1bf8407b6c926fa152a437f88622761cb78e1837c88b70b483ff51e04e412405
- SHA512
  
  fa29ef3e9f088c810183b87f1132d2bad8fa082465e2fd33870747ef7432bc864370d019dc244b536be75378f97e6f5b905e9335ae9906682499aecf948ae5f3
- SSDEEP
  
  3072:lROqQLL4FD/yIr32/0kfv3hHZv6yP+QBkdq4kaoOJA91+AO8lhHo:rwLuyIrwvdkk+QB8qlaTA9IOL
Score

10^/10

djvu pseudomanuscrypt smokeloader vidar backdoor discovery evasion loader persistence ransomware stealer trojan vmprotect
- Detected Djvu ransomware
- Detects PseudoManuscrypt payload
  loader
- 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.
- PseudoManuscrypt
  PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.
  loader pseudomanuscrypt
- 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
- Deletes itself
- Executes dropped EXE
- Modifies file permissions
  discovery
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- 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