dcrat

General

Target

5b51136514eb31b78de1300b7aa72bef035f5dc96d9ed2e07a9d105e969b2271
Size

202KB
Sample

240401-flmmmseb31
MD5

5d9fa611fd20f2179188d8477e4056cf
SHA1

b514733a078730f8b74542660cf410f45d439abe
SHA256

5b51136514eb31b78de1300b7aa72bef035f5dc96d9ed2e07a9d105e969b2271
SHA512

93a267894241f95340b49f0d90cc3887c28ca56b1261d94f169ef0786769f09645584506e87e892ecd4e6a74c0cfb9898e73005f1c3d599150972549efc4d5c7
SSDEEP

3072:e7Y10Ql/4AfcISSzUlDfNQM6yWTD+Q3bz8QRsqUEWy7qxJ:e73Ql/4AfcIfIFI/+Q3bzLRs9EWy7

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

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api

Targets

- Target
  
  5b51136514eb31b78de1300b7aa72bef035f5dc96d9ed2e07a9d105e969b2271
- Size
  
  202KB
- MD5
  
  5d9fa611fd20f2179188d8477e4056cf
- SHA1
  
  b514733a078730f8b74542660cf410f45d439abe
- SHA256
  
  5b51136514eb31b78de1300b7aa72bef035f5dc96d9ed2e07a9d105e969b2271
- SHA512
  
  93a267894241f95340b49f0d90cc3887c28ca56b1261d94f169ef0786769f09645584506e87e892ecd4e6a74c0cfb9898e73005f1c3d599150972549efc4d5c7
- SSDEEP
  
  3072:e7Y10Ql/4AfcISSzUlDfNQM6yWTD+Q3bz8QRsqUEWy7qxJ:e73Ql/4AfcIfIFI/+Q3bzLRs9EWy7
Score

10^/10

dcrat djvu glupteba smokeloader vidar pub1 backdoor discovery dropper evasion infostealer loader persistence ransomware rat rootkit stealer trojan upx lumma spyware
- 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
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  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
- 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
- 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