djvu | 3db73b00910bd0e7a3b2b9817e05095429ded3c8fceb6f67e06128c1aea57ec3

General

Target

3db73b00910bd0e7a3b2b9817e05095429ded3c8fceb6f67e06128c1aea57ec3
Size

665KB
Sample

220919-3eb9nafccm
MD5

b1175f08b58372f97f78ff563146abd5
SHA1

80074ff96a465c25a6322ae43863808dce16bcc8
SHA256

3db73b00910bd0e7a3b2b9817e05095429ded3c8fceb6f67e06128c1aea57ec3
SHA512

11907fb2fe6b85b9ec45bc87c1d3d188b5028e8563e145e7fe07f0a1974d3f9ea9085bdd208f14b4e887b416892748fc20c9ccdf88a74232f151485a3af7c94a
SSDEEP

12288:nxliMF9HS31k1vxb/exhGpdXh/tr7VJOK8TyQlGim7WMedR7w9ZPjB45:rtrEA5bIopdR/9ZoGQlGiysRcZW

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/test1/get.php

Attributes

extension
.aawt
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
  
  3db73b00910bd0e7a3b2b9817e05095429ded3c8fceb6f67e06128c1aea57ec3
- Size
  
  665KB
- MD5
  
  b1175f08b58372f97f78ff563146abd5
- SHA1
  
  80074ff96a465c25a6322ae43863808dce16bcc8
- SHA256
  
  3db73b00910bd0e7a3b2b9817e05095429ded3c8fceb6f67e06128c1aea57ec3
- SHA512
  
  11907fb2fe6b85b9ec45bc87c1d3d188b5028e8563e145e7fe07f0a1974d3f9ea9085bdd208f14b4e887b416892748fc20c9ccdf88a74232f151485a3af7c94a
- SSDEEP
  
  12288:nxliMF9HS31k1vxb/exhGpdXh/tr7VJOK8TyQlGim7WMedR7w9ZPjB45:rtrEA5bIopdR/9ZoGQlGiysRcZW
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
- 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