dcrat

General

Target

file.exe
Size

382KB
Sample

230211-jcyv4agg36
MD5

7a13daf25d30435e45a56ad122242f9b
SHA1

6c058524645b028040334816c658b52544c00410
SHA256

18634866cab09649102152d7bc2d765a37a5e56c47389c3aa76e613ecb41a59d
SHA512

c4b29b3f17957fe0ab0f7402a3bd40aef954959d56be83e750fc10a1d4fc7e5863e92d6820ae779e913930f92dcd9b4d93ad3f212f619b18bf351e539666f564
SSDEEP

3072:F5Cdbni+R7SBrRkNqCxCq5Bel1bZPx47tm2W/yyiQhavwn5hPM8qRi0Qo7sTmJuN:XWReVRkNZrcbZPxX1iXgjMdkT9Zt5

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.vvoo
offline_id
9c20OtJsXdFeF07b1IeFK5ERGv1zIb659YG380t1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

redline

Botnet

kvmwwgas2

C2

147.135.165.21:36456

Attributes

auth_value
970cf61117a09beac174b1ec73ba1e0e

Extracted

Family

vidar

Version

2.4

Botnet

19

Attributes

profile_id
19

Extracted

Family

laplas

C2

http://45.159.189.105

Attributes

api_key
ad75d4e2e9636ca662a337b6e798d36159f23acfc89bbe9400d0d451bd8d69fd

Targets

- Target
  
  file.exe
- Size
  
  382KB
- MD5
  
  7a13daf25d30435e45a56ad122242f9b
- SHA1
  
  6c058524645b028040334816c658b52544c00410
- SHA256
  
  18634866cab09649102152d7bc2d765a37a5e56c47389c3aa76e613ecb41a59d
- SHA512
  
  c4b29b3f17957fe0ab0f7402a3bd40aef954959d56be83e750fc10a1d4fc7e5863e92d6820ae779e913930f92dcd9b4d93ad3f212f619b18bf351e539666f564
- SSDEEP
  
  3072:F5Cdbni+R7SBrRkNqCxCq5Bel1bZPx47tm2W/yyiQhavwn5hPM8qRi0Qo7sTmJuN:XWReVRkNZrcbZPxX1iXgjMdkT9Zt5
Score

10^/10

smokeloader backdoor trojan dcrat djvu laplas redline vidar 19 kvmwwgas2 clipper discovery evasion infostealer persistence ransomware rat spyware stealer vmprotect
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Laplas Clipper
  Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.
  stealer clipper laplas
- Modifies security service
  evasion
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Stops running service(s)
  evasion
- 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
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- 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 behavioral2