djvu | 528f4b8565a6941bcd72f1f90af1034fe4b93e401609bde90437fba1a3227e2b

General

Target

file.exe
Size

821KB
Sample

220916-xfrsvacbej
MD5

eab9ded288ae44356d1063e5898748d3
SHA1

4345b26ac78f3eb0ef37e387e91e6ab55a0ef9c2
SHA256

528f4b8565a6941bcd72f1f90af1034fe4b93e401609bde90437fba1a3227e2b
SHA512

3156c48b49eb9fd8211725fac62cb6a45d0dbc7085dab540348844c52c0d686351a1742d6642b51abdb28f2dd0591dee82a43215a9df0438a4319d791b489c53
SSDEEP

12288:Ja/k3ctBqrBJ80KndOTI6dFthB3htYuYt6yQwqAYQ6+wQhsTWV4Ng4a6i:JpcjaKn0MW/3Y1t6yvwbNHi

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
  
  821KB
- MD5
  
  eab9ded288ae44356d1063e5898748d3
- SHA1
  
  4345b26ac78f3eb0ef37e387e91e6ab55a0ef9c2
- SHA256
  
  528f4b8565a6941bcd72f1f90af1034fe4b93e401609bde90437fba1a3227e2b
- SHA512
  
  3156c48b49eb9fd8211725fac62cb6a45d0dbc7085dab540348844c52c0d686351a1742d6642b51abdb28f2dd0591dee82a43215a9df0438a4319d791b489c53
- SSDEEP
  
  12288:Ja/k3ctBqrBJ80KndOTI6dFthB3htYuYt6yQwqAYQ6+wQhsTWV4Ng4a6i:JpcjaKn0MW/3Y1t6yvwbNHi
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