dcrat

General

Target

file.exe
Size

6.3MB
Sample

240203-nrgycaaecm
MD5

c67cb967230036816fd0cbbfd96959c6
SHA1

d2fe988a302dce4bc0f34a1003a623f96a06b250
SHA256

d2682ee0fe9e5bf429b7bea89d32cf417c3b684429dbff5e060b07e7335aaa76
SHA512

2f51046e44bdfa470f676071c69da8c05d50d8f79e748748f25ac13ec53d346f1c3988148000fea3ece38623fd629d1b3dcc943006e80b7bee95da7f1f42920c
SSDEEP

196608:GHqO3grg0lAc4G+JCJjsP8BXkf/hmzJzFYngA13jvHKvj4:GHzCOc4G+oB0BmdFY31zq

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

stealc

C2

http://185.172.128.79

Attributes

url_path
/3886d2276f6914c4.php

rc4.plain

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://habrafa.com/test1/get.php

Attributes

extension
.cdcc
offline_id
LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1
payload_url
http://brusuax.com/dl/build2.exe

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

Targets

- Target
  
  file.exe
- Size
  
  6.3MB
- MD5
  
  c67cb967230036816fd0cbbfd96959c6
- SHA1
  
  d2fe988a302dce4bc0f34a1003a623f96a06b250
- SHA256
  
  d2682ee0fe9e5bf429b7bea89d32cf417c3b684429dbff5e060b07e7335aaa76
- SHA512
  
  2f51046e44bdfa470f676071c69da8c05d50d8f79e748748f25ac13ec53d346f1c3988148000fea3ece38623fd629d1b3dcc943006e80b7bee95da7f1f42920c
- SSDEEP
  
  196608:GHqO3grg0lAc4G+JCJjsP8BXkf/hmzJzFYngA13jvHKvj4:GHzCOc4G+oB0BmdFY31zq
Score

10^/10

dcrat djvu glupteba smokeloader stealc xmrig pub1 backdoor discovery dropper evasion infostealer loader miner persistence ransomware rat rootkit spyware stealer trojan upx
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- 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
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Stealc
  Stealc is an infostealer written in C++.
  stealer stealc
- XMRig Miner payload
  miner
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
- Renames multiple (125) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Downloads MZ/PE file
- Modifies Windows Firewall
  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 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
- 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
- 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