djvu | 99732b773e5678b4bc12dc8270eb13603bef94e54b83a255930b4c63e93e02d0

General

Target

file.exe
Size

285KB
Sample

221106-sefa7saeen
MD5

a8ed8173770845fcdae4c2a5d54540d2
SHA1

745e4ea2e98224214a837344a902b3dfb7d738af
SHA256

99732b773e5678b4bc12dc8270eb13603bef94e54b83a255930b4c63e93e02d0
SHA512

600efd1de0e9fd2132c958dd9db66735c63df13244bb196864b783caf9dbc93a8abbebacbef431e231ab9bed8f5d4baa9082eca1a91c91b66172d78b33289d7f
SSDEEP

3072:yfpviUDOtuFA5LEAkqKJTXSOVJ5RkFV2MUn8GodicTq:QixUaEAkXJXSOVJ5Rkv2li

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://fresherlights.com/lancer/get.php

Attributes

extension
.zate
offline_id
VW11mMMPfxPTr0epvPSw1m6GBzcKFb3H2Lm2nyt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

redline

Botnet

Mast1000

C2

78.153.144.3:2510

Attributes

auth_value
8e868b09fa3921a313a9a4fa08602f0a

Targets

- Target
  
  file.exe
- Size
  
  285KB
- MD5
  
  a8ed8173770845fcdae4c2a5d54540d2
- SHA1
  
  745e4ea2e98224214a837344a902b3dfb7d738af
- SHA256
  
  99732b773e5678b4bc12dc8270eb13603bef94e54b83a255930b4c63e93e02d0
- SHA512
  
  600efd1de0e9fd2132c958dd9db66735c63df13244bb196864b783caf9dbc93a8abbebacbef431e231ab9bed8f5d4baa9082eca1a91c91b66172d78b33289d7f
- SSDEEP
  
  3072:yfpviUDOtuFA5LEAkqKJTXSOVJ5RkFV2MUn8GodicTq:QixUaEAkXJXSOVJ5Rkv2li
Score

10^/10

smokeloader backdoor trojan djvu redline mast1000 collection discovery infostealer persistence ransomware spyware stealer
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Blocklisted process makes network request
- 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 Microsoft Outlook profiles
  collection
- 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