dcrat

General

Target

b7ae48ad68a9e1f063fe75c76bf84c44.bin
Size

155KB
Sample

231222-b8t8sagca4
MD5

c680287c3b50799167d802dccd79b162
SHA1

bc7e1594b6b25d2ae5b0b96278190e3be83162a6
SHA256

651d19f19d499ee806cb668eade7f380c57ccc05a5fff091f3f120663bbf2fd5
SHA512

fbc0808798e15098214ba9dc98631fb66e066637fcd2b5a1831b4e31b4aafe9d88d5c07e9179cc6b6cf281c2509987b265acabf1a9d1bdd39643df453d04c988
SSDEEP

3072:rTUUOZ0Sa4n56yhKxv5TdF1P+FCPBQANV9+IvhtaA1l3FNxaZl:cRZLfncy057V4CZQyWqz3FNy

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Extracted

Family

djvu

C2

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

Attributes

extension
.loqw
offline_id
NrqpaQRhQqq5l2tBPp1QS34I3ME2IKsAlZ0A9pt1
payload_url
http://brusuax.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.172.128.33:38294

Targets

- Target
  
  63bc7dec45027d98b236782ef2f5d6b53dfc278b8d0aabe1a9932431eb58d654.exe
- Size
  
  253KB
- MD5
  
  b7ae48ad68a9e1f063fe75c76bf84c44
- SHA1
  
  e8e5f0dcc9aaf98f574a29df81c74079be545360
- SHA256
  
  63bc7dec45027d98b236782ef2f5d6b53dfc278b8d0aabe1a9932431eb58d654
- SHA512
  
  08d0a0846262c1eec95dfa79221ae4d406b44b3dda696ad55cc0308956f9abc341b83e08ad975aaa3c63e4dcf320d4bdbdbc41a697e031a3c3133944e678e5fc
- SSDEEP
  
  3072:lB/T6uKLqL0ZiXQmHaMKnadyPzTSNjcj6fMYh0Wet01rBD/aMxjTFu7jK:j/uBLqL/gmHaMceQoW6vltD/ZPCj
Score

10^/10

djvu smokeloader up3 backdoor discovery ransomware themida trojan dcrat redline zgrat @ytlogsbot infostealer persistence rat
- 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
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- ZGRat
  ZGRat is remote access trojan written in C#.
  rat zgrat
- Downloads MZ/PE file
- 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
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Adds Run key to start application
  persistence
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- AutoIT Executable
  AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext
behavioral1 behavioral2