dcrat

General

Target

1e9e57304f98c1e04b2464bf6783224311547d4399832f16acda0dac7634c780
Size

151KB
Sample

231207-cg45caacf7
MD5

5add745473f5d27ea57fda3a7bc039a5
SHA1

6b806c62bd3a887d17f6843d342ca48b82a8da05
SHA256

e25cfb7207a1a9a2dcf3708740ef397cf7e7bfd21cc7c6882d6619111c003048
SHA512

3a8f31c3ff187af000c378df2c8308a51b66410344a95db01b9c341c133c646b223a5438ea334f36762468d78b00055a5e6e14ef5e408387dfadac41bcc97f4e
SSDEEP

3072:mkkyQcAm+AUfM2OesruJJLY/8596VazZfmmP2hMwJuHW:mk3r+xMlfoBz60ZBPunJu2

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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
.nbzi
offline_id
csCsb6cUvy0iMa6NgGCGH0hSfXQlGjZVEmFVkgt1
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

risepro

C2

193.233.132.51

Targets

- Target
  
  1e9e57304f98c1e04b2464bf6783224311547d4399832f16acda0dac7634c780
- Size
  
  366KB
- MD5
  
  7848b7e293a341cf098cebad10ae3d44
- SHA1
  
  ecf246c77c2d8c25712f498d320991576146c254
- SHA256
  
  1e9e57304f98c1e04b2464bf6783224311547d4399832f16acda0dac7634c780
- SHA512
  
  7a5f6406f58fdf20f129097d793406445803246ae7206a99b99c5de03f3d980574590865a1799b0ef3b57ba4ae4f0f6adc031313a50111357868ffb58cf1ada8
- SSDEEP
  
  3072:+5ZAkxbBnP1pIsRKJ20e+ccsruJq5Bx7Vdb9r6+:ipjPLXKIkclDDh
Score

10^/10

dcrat djvu privateloader risepro smokeloader pub1 backdoor discovery evasion infostealer loader persistence ransomware rat spyware stealer themida trojan raccoon zgrat
- 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
- PrivateLoader
  PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
  loader privateloader
- Raccoon
  Raccoon is an infostealer written in C++ and first seen in 2019.
  stealer raccoon
- Raccoon Stealer V2 payload
- RisePro
  RisePro stealer is an infostealer distributed by PrivateLoader.
  stealer risepro
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- ZGRat
  ZGRat is remote access trojan written in C#.
  rat zgrat
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Downloads MZ/PE file
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Deletes itself
- Drops startup file
- 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
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- 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
- Checks whether UAC is enabled
  evasion trojan
- 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.
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2