dcrat

General

Target

6958ACC382E71103A0B83D20BBBB37D2.exe
Size

232KB
Sample

240222-vrss6sdc92
MD5

6958acc382e71103a0b83d20bbbb37d2
SHA1

65bf64dfcabf7bc83e47ffc4360cda022d4dab34
SHA256

078f586ebb8a22305540fb5982b2521f1b82e4317f286e13bab680fff0a9d164
SHA512

ebfa8b6986630b3502409d38cdff54881e4bce48511c7ba4f027345296c29708112c19ec6c9181c4b0188fa1f5cbe17b3c5d44dc07f33858323c677ef9caaeae
SSDEEP

3072:FdfbYSFlTBL/A9OYh6++4hY7gfv9yPQxAVUmZAzsqvj1letKv/jbNRKCnrQbW:PbYSFH/AYYh9vERVUmSAQj1la9

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Botnet

tfd5

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
.lkhy
offline_id
OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1
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
  
  6958ACC382E71103A0B83D20BBBB37D2.exe
- Size
  
  232KB
- MD5
  
  6958acc382e71103a0b83d20bbbb37d2
- SHA1
  
  65bf64dfcabf7bc83e47ffc4360cda022d4dab34
- SHA256
  
  078f586ebb8a22305540fb5982b2521f1b82e4317f286e13bab680fff0a9d164
- SHA512
  
  ebfa8b6986630b3502409d38cdff54881e4bce48511c7ba4f027345296c29708112c19ec6c9181c4b0188fa1f5cbe17b3c5d44dc07f33858323c677ef9caaeae
- SSDEEP
  
  3072:FdfbYSFlTBL/A9OYh6++4hY7gfv9yPQxAVUmZAzsqvj1letKv/jbNRKCnrQbW:PbYSFH/AYYh9vERVUmSAQj1la9
Score

10^/10

dcrat djvu glupteba smokeloader zgrat tfd5 backdoor discovery dropper evasion infostealer loader persistence ransomware rat trojan
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- Detect ZGRat V1
- 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
- ZGRat
  ZGRat is remote access trojan written in C#.
  rat zgrat
- Blocklisted process makes network request
- Downloads MZ/PE file
- Modifies Windows Firewall
  evasion
- Deletes itself
- Executes dropped EXE
- Modifies file permissions
  discovery
- Modifies system executable filetype association
  persistence
- Registers COM server for autorun
  persistence
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Checks system information in the registry
  System information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext
behavioral1