djvu | 840599850ccd3e1ca4fcbabedcade2aeac36c2639cb3ae968726b4f454e9f9a5

General

Target

file.exe
Size

284KB
Sample

221104-2fx23sbfg4
MD5

58ec1c8f2e66a0d9b10affac99763e6b
SHA1

423d6ed1b28fe143181f40179cb930410567ecae
SHA256

840599850ccd3e1ca4fcbabedcade2aeac36c2639cb3ae968726b4f454e9f9a5
SHA512

5c5882548132862201655c3b75b20e662e50ffb9ceb2207ca515aeaecc4faa0c258f38b7d3f182bea9038715201549d58f1f3597686dd59f01e92e5e147e5289
SSDEEP

3072:PiT9vQJlO51tdrtaknvULmPENJdSk/y0suk7g2WJbS5P:aTa6tdhaknvQm0sk6sk03JgP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.bozq
offline_id
oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1
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

mario23_10

C2

167.235.252.160:10642

Attributes

auth_value
eca57cfb5172f71dc45986763bb98942

Extracted

Family

redline

Botnet

Mast1000

C2

78.153.144.3:2510

Attributes

auth_value
8e868b09fa3921a313a9a4fa08602f0a

Targets

- Target
  
  file.exe
- Size
  
  284KB
- MD5
  
  58ec1c8f2e66a0d9b10affac99763e6b
- SHA1
  
  423d6ed1b28fe143181f40179cb930410567ecae
- SHA256
  
  840599850ccd3e1ca4fcbabedcade2aeac36c2639cb3ae968726b4f454e9f9a5
- SHA512
  
  5c5882548132862201655c3b75b20e662e50ffb9ceb2207ca515aeaecc4faa0c258f38b7d3f182bea9038715201549d58f1f3597686dd59f01e92e5e147e5289
- SSDEEP
  
  3072:PiT9vQJlO51tdrtaknvULmPENJdSk/y0suk7g2WJbS5P:aTa6tdhaknvQm0sk6sk03JgP
Score

10^/10

smokeloader backdoor trojan djvu redline mario23_10 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