djvu | 7653a01ee4f28816d39d60dc6367744adcf60fea72c1eac6544cac5cb7a526b7

General

Target

7653a01ee4f28816d39d60dc6367744adcf60fea72c1eac6544cac5cb7a526b7
Size

752KB
Sample

230216-qsmakahf99
MD5

e8112bc75ac04389bc82acd8bdf8e300
SHA1

6386d2bc33398185618127fe896328d3ae70dd24
SHA256

7653a01ee4f28816d39d60dc6367744adcf60fea72c1eac6544cac5cb7a526b7
SHA512

9b1273c62e1b4b15668b875d62e2b2b863152645177428644de50254657eb57bd4ecfc2039baac2cccc40eae5b4f46c358c3c0c7555e57b495243f5ab39e2150
SSDEEP

12288:QCJxvpP8MifwA534DFdnJ1K9dS/fZfymNU1JIWpl0wMe3nKW:QGVJ8T53CdUd6x7NOIul0sXK

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://bihsy.com/test1/get.php

Attributes

extension
.hhmm
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
  
  7653a01ee4f28816d39d60dc6367744adcf60fea72c1eac6544cac5cb7a526b7
- Size
  
  752KB
- MD5
  
  e8112bc75ac04389bc82acd8bdf8e300
- SHA1
  
  6386d2bc33398185618127fe896328d3ae70dd24
- SHA256
  
  7653a01ee4f28816d39d60dc6367744adcf60fea72c1eac6544cac5cb7a526b7
- SHA512
  
  9b1273c62e1b4b15668b875d62e2b2b863152645177428644de50254657eb57bd4ecfc2039baac2cccc40eae5b4f46c358c3c0c7555e57b495243f5ab39e2150
- SSDEEP
  
  12288:QCJxvpP8MifwA534DFdnJ1K9dS/fZfymNU1JIWpl0wMe3nKW:QGVJ8T53CdUd6x7NOIul0sXK
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
- 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