djvu | c31c0f32e30ede19c6ca3cd0bd53a204f147c058b2c1e878a9282db8f4d2cefe

General

Target

c31c0f32e30ede19c6ca3cd0bd53a204f147c058b2c1e878a9282db8f4d2cefe
Size

795KB
Sample

220919-yzlavabceq
MD5

bebd6605ab183597b92b30595bf800c5
SHA1

d8c91958f1ef8d009fa329dc8faebaaf4ef8845e
SHA256

c31c0f32e30ede19c6ca3cd0bd53a204f147c058b2c1e878a9282db8f4d2cefe
SHA512

5a22a69042eb6d932dc095fe08e0d5a8782e1bbc417548fc4f20b70d9c60a5db7e957e513a99df11b2ef507bf9193be2f5fb8115fe009213a2a032f40c6a0e22
SSDEEP

12288:A01CBdyOByjQI2aVooUfgm1KsdReyKsOSKnRKjsZF+GBV/oo9:A0IBYB2aMnKsdMyKHSwRKjPO/V9

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
  
  c31c0f32e30ede19c6ca3cd0bd53a204f147c058b2c1e878a9282db8f4d2cefe
- Size
  
  795KB
- MD5
  
  bebd6605ab183597b92b30595bf800c5
- SHA1
  
  d8c91958f1ef8d009fa329dc8faebaaf4ef8845e
- SHA256
  
  c31c0f32e30ede19c6ca3cd0bd53a204f147c058b2c1e878a9282db8f4d2cefe
- SHA512
  
  5a22a69042eb6d932dc095fe08e0d5a8782e1bbc417548fc4f20b70d9c60a5db7e957e513a99df11b2ef507bf9193be2f5fb8115fe009213a2a032f40c6a0e22
- SSDEEP
  
  12288:A01CBdyOByjQI2aVooUfgm1KsdReyKsOSKnRKjsZF+GBV/oo9:A0IBYB2aMnKsdMyKHSwRKjPO/V9
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