djvu | edb8596fa4df3fc49ebd6b4883fcc2ef7a235b9f9ff6b3eac56068e404469fd8

General

Target

edb8596fa4df3fc49ebd6b4883fcc2ef7a235b9f9ff6b3eac56068e404469fd8
Size

702KB
Sample

230215-pwd8pabg35
MD5

2bca619076b99fbe431d34862f386b7b
SHA1

cd2608455b8d52be8c193921d4c47bf2485f69d5
SHA256

edb8596fa4df3fc49ebd6b4883fcc2ef7a235b9f9ff6b3eac56068e404469fd8
SHA512

c57c15954735439a9e9c172ae9015b331c47050966afa8cf54db255eeec3eb500dfa1a5f32bc11bdcbea148c724d53239486b057747579d1546e37484d69e4e4
SSDEEP

12288:CmfGGnJWMtdTQtYDWleDL4Rwnbkwzgr5q2sZuC30DkbskgC3u+7Seg584Mvdf:CmfRwsm6DlL4RwndMVq3ykIMWdH

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
  
  edb8596fa4df3fc49ebd6b4883fcc2ef7a235b9f9ff6b3eac56068e404469fd8
- Size
  
  702KB
- MD5
  
  2bca619076b99fbe431d34862f386b7b
- SHA1
  
  cd2608455b8d52be8c193921d4c47bf2485f69d5
- SHA256
  
  edb8596fa4df3fc49ebd6b4883fcc2ef7a235b9f9ff6b3eac56068e404469fd8
- SHA512
  
  c57c15954735439a9e9c172ae9015b331c47050966afa8cf54db255eeec3eb500dfa1a5f32bc11bdcbea148c724d53239486b057747579d1546e37484d69e4e4
- SSDEEP
  
  12288:CmfGGnJWMtdTQtYDWleDL4Rwnbkwzgr5q2sZuC30DkbskgC3u+7Seg584Mvdf:CmfRwsm6DlL4RwndMVq3ykIMWdH
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