djvu | f77d43719ea35b34dfd5b0e919d3e9f96d8eafb9edeca839081e90d23dc59834

General

Target

f77d43719ea35b34dfd5b0e919d3e9f96d8eafb9edeca839081e90d23dc59834
Size

243KB
Sample

230225-mvxmjacg4w
MD5

92712260bd169a57dc97ca60777714fc
SHA1

f681cba7d6305d9a2adce37bb358c8024a1c9bdb
SHA256

f77d43719ea35b34dfd5b0e919d3e9f96d8eafb9edeca839081e90d23dc59834
SHA512

38f0203f95143df68ec797234b32d67a1ed5eb3875049a81de8384f43b98664a7dadc4438b6a6eab12ef50e0a1d1dc461517265d82e506e28d5c0b5549f7a627
SSDEEP

3072:kT/hmKLzFDw6if32/A+sst/cTgcfobSARuS2bkg4clhio:sRLi6ifP+sst/yt67RuSbgVO

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
  
  f77d43719ea35b34dfd5b0e919d3e9f96d8eafb9edeca839081e90d23dc59834
- Size
  
  243KB
- MD5
  
  92712260bd169a57dc97ca60777714fc
- SHA1
  
  f681cba7d6305d9a2adce37bb358c8024a1c9bdb
- SHA256
  
  f77d43719ea35b34dfd5b0e919d3e9f96d8eafb9edeca839081e90d23dc59834
- SHA512
  
  38f0203f95143df68ec797234b32d67a1ed5eb3875049a81de8384f43b98664a7dadc4438b6a6eab12ef50e0a1d1dc461517265d82e506e28d5c0b5549f7a627
- SSDEEP
  
  3072:kT/hmKLzFDw6if32/A+sst/cTgcfobSARuS2bkg4clhio:sRLi6ifP+sst/yt67RuSbgVO
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