djvu | e60ab0803110d29ec3dd44b5f3e8a062873f9db849b9a99df537550098efd8ef

General

Target
e60ab0803110d29ec3dd44b5f3e8a062873f9db849b9a99df537550098efd8ef
Size 753KB
Sample230217-e3mhjadc4x
SHA256 e60ab0803110d29ec3dd44b5f3e8a062873f9db849b9a99df537550098efd8ef
MD5 3c4604c34b4e16d23dcb40074b82cf98
SHA1 a4446ef1a74b432709789062070b72c1975fdd1d
SHA512 78bc3e87f79d28079f6a6cf0979f64401ffd4da68642d927298f4a75fdaba5c877c8bca7cc2d475532d50ea0673fadd3f0f6da19e9ea71eae70160261290be9e
SSDEEP 12288:08POTdih/jWLty2hsSiKeDTTn7Eeje9l9Zz4CINxc6+IS:0tmWByIsSUTj7rOlfPINzs
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://bihsy.com/test2/get.php

Attributes

extension
.hhee
offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
payload_url
http://uaery.top/dl/build2.exe

http://bihsy.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes

profile_id
19

Targets

- Target
  e60ab0803110d29ec3dd44b5f3e8a062873f9db849b9a99df537550098efd8ef
- Size 753KB
- SHA256 e60ab0803110d29ec3dd44b5f3e8a062873f9db849b9a99df537550098efd8ef
- MD5 3c4604c34b4e16d23dcb40074b82cf98
- SHA1 a4446ef1a74b432709789062070b72c1975fdd1d
- SHA512 78bc3e87f79d28079f6a6cf0979f64401ffd4da68642d927298f4a75fdaba5c877c8bca7cc2d475532d50ea0673fadd3f0f6da19e9ea71eae70160261290be9e
- SSDEEP 12288:08POTdih/jWLty2hsSiKeDTTn7Eeje9l9Zz4CINxc6+IS:0tmWByIsSUTj7rOlfPINzs
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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