djvu | 8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c

General

Target
8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c
Size 673KB
Sample230223-mtny1afe74
SHA256 8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c
MD5 05c2ad3a05f5d1d00c70b8d9118a93ad
SHA1 a4191491d990c61c49167206e9e1d373aff2b61e
SHA512 fe923b202b53e6fd3c6f3cb38db00e319ec6e884eddaf40a5e496bd7151ac553d61967bb8a658fa2cd8c019c0a012a930dce5b79c386875a64ef5e65da103f11
SSDEEP 12288:ZVIoTDZkG7iapcfN86XRLnCYCyIg1O58pTii7xjqM9U3OwjG30MTblSLvD:ZVTZR7ncfe6XxnCYCyz1O58pTvD9U3OE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.iowd
offline_id
O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1
payload_url
http://uaery.top/dl/build2.exe

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

Targets

- Target
  8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c
- Size 673KB
- SHA256 8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c
- MD5 05c2ad3a05f5d1d00c70b8d9118a93ad
- SHA1 a4191491d990c61c49167206e9e1d373aff2b61e
- SHA512 fe923b202b53e6fd3c6f3cb38db00e319ec6e884eddaf40a5e496bd7151ac553d61967bb8a658fa2cd8c019c0a012a930dce5b79c386875a64ef5e65da103f11
- SSDEEP 12288:ZVIoTDZkG7iapcfN86XRLnCYCyIg1O58pTii7xjqM9U3OwjG30MTblSLvD:ZVTZR7ncfe6XxnCYCyz1O58pTvD9U3OE
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 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