dcrat

General

Target
file.exe
Size 313KB
Sample240322-g67c8ahe75
SHA256 abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976
MD5 49c1a7094df766b5e5868811f298b529
SHA1 c48fc045b5ee06e02d558f3c3551a463199725b9
SHA512 c34cf47f715fffb4c4b9ec4ba587ea0c455d3baf7192408114b9f7260dbb1ee6b28c794157cfdd12c6048e99e9140220d77232bd9355cb96db7df9e566ba9490
SSDEEP 3072:9gw3B7c4wkQMR+BYYeEX+qP4XTkedBoRv0XgGlf+N9XF6kVQvVYKAG:zxd/RmFMkeAv0ltKXF6k2NvJ
MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php

rc4.i32

Extracted

Family

djvu

C2

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

Attributes

extension
.vook
offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
payload_url
http://sdfjhuz.com/dl/build2.exe

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

Extracted

Family

vidar

Version

8.4

Botnet

95002d0a9d65ffced363a8f35f42a529

C2

https://steamcommunity.com/profiles/76561199654112719
https://t.me/r2d0s

Attributes

profile_id_v2
95002d0a9d65ffced363a8f35f42a529
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api
https://associationokeo.shop/api

Targets

- Target
  file.exe
- Size 313KB
- SHA256 abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976
- MD5 49c1a7094df766b5e5868811f298b529
- SHA1 c48fc045b5ee06e02d558f3c3551a463199725b9
- SHA512 c34cf47f715fffb4c4b9ec4ba587ea0c455d3baf7192408114b9f7260dbb1ee6b28c794157cfdd12c6048e99e9140220d77232bd9355cb96db7df9e566ba9490
- SSDEEP 3072:9gw3B7c4wkQMR+BYYeEX+qP4XTkedBoRv0XgGlf+N9XF6kVQvVYKAG:zxd/RmFMkeAv0ltKXF6k2NvJ
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

dcrat djvu glupteba smokeloader pub1 backdoor discovery dropper evasion infostealer loader persistence ransomware rat rootkit trojan upx lumma vidar 95002d0a9d65ffced363a8f35f42a529 spyware stealer
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- Detect Vidar Stealer
  stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Glupteba
  Glupteba is a modular loader written in Golang with various components.
  loader dropper glupteba
- Glupteba payload
- Lumma Stealer
  An infostealer written in C++ first seen in August 2022.
  stealer lumma
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Windows security bypass
  evasion trojan
- Modifies boot configuration data using bcdedit
- Downloads MZ/PE file
- Drops file in Drivers directory
- Modifies Installed Components in the registry
  persistence
- Modifies Windows Firewall
  evasion
- Possible attempt to disable PatchGuard
  Rootkits can use kernel patching to embed themselves in an operating system.
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads data files stored by FTP clients
  Tries to access configuration files associated with programs like FileZilla.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Windows security modification
  evasion trojan
- 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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Manipulates WinMon driver.
  Roottkits write to WinMon to hide PIDs from being detected.
  rootkit evasion
- Manipulates WinMonFS driver.
  Roottkits write to WinMonFS to hide directories/files from being detected.
  rootkit evasion
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1 behavioral2