djvu | 249cb4680de5cf06721fa03944054178a62fa79bdfb484ab1bcaea4b0d66a33e

General

Target

file.exe
Size

787KB
Sample

220918-w92dpsbeh5
MD5

f976de456e761a39e3e9a12ccbd88bce
SHA1

8c40302b89309035e90cd098bb1d2215c97f1a43
SHA256

249cb4680de5cf06721fa03944054178a62fa79bdfb484ab1bcaea4b0d66a33e
SHA512

11a1bf2b0110676d1e432547c757b8767cb522207dd27fbbbde237d2361e10476385b30f4dbbcff668528950b782dd2f105550300559e61aa275cede4ecdf397
SSDEEP

12288:gRfNHwRGWrynMdC4YrytHTaEg4p4AMWmcEukaYY9dHmWZrLM0Ai75:gzwlVLYrwzaEg4p4LWsuka59ZnA45

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/test3/get.php

Attributes

extension
.aamv
offline_id
MyudhIExJux2oRQXw95TT1oAPu7mvqRMzxr1eet1
payload_url
http://rgyui.top/dl/build2.exe

http://acacaca.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  file.exe
- Size
  
  787KB
- MD5
  
  f976de456e761a39e3e9a12ccbd88bce
- SHA1
  
  8c40302b89309035e90cd098bb1d2215c97f1a43
- SHA256
  
  249cb4680de5cf06721fa03944054178a62fa79bdfb484ab1bcaea4b0d66a33e
- SHA512
  
  11a1bf2b0110676d1e432547c757b8767cb522207dd27fbbbde237d2361e10476385b30f4dbbcff668528950b782dd2f105550300559e61aa275cede4ecdf397
- SSDEEP
  
  12288:gRfNHwRGWrynMdC4YrytHTaEg4p4AMWmcEukaYY9dHmWZrLM0Ai75:gzwlVLYrwzaEg4p4LWsuka59ZnA45
Score

10^/10

djvu discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Downloads MZ/PE file
- Executes dropped EXE
- 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