dcrat

General

Target

f81037799acf75dae40624a0b68c7e694f6f8b76eb1629f844dda9ae7d5da96b
Size

151KB
Sample

231207-c7anesaeb3
MD5

a9e0b4cbfa91bf58868d957156d99f8f
SHA1

9cb6da448399aaf3ff3ab1a371983e6bea7d46e8
SHA256

19783433e7ba8f4f74655eeae792fb2b37a862c2512672ea005e49d37fd8aac8
SHA512

84c76d0b8dfacda51ab56520e450ee0eaf14e5797b0e4f0c84ebe306b18358c1bcf05a67d9c21dd4c1928dd5d57ece97d9440d9dd1770d3476d7bd115f8b51fe
SSDEEP

3072:ginueY2+fS2LzygBzRua5wjQJKXgmkcmNcDkCsi108gKnkybNpxbFtKU4b:gpl2+SHgB1RDKpkXNc/ebKkMNpxKU4b

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
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-8dGJ2tqlOd Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0832ASdw

rsa_pubkey.plain

Extracted

Family

risepro

C2

193.233.132.51

Targets

- Target
  
  f81037799acf75dae40624a0b68c7e694f6f8b76eb1629f844dda9ae7d5da96b
- Size
  
  278KB
- MD5
  
  27e492b391da6e407bef6dc07abd745f
- SHA1
  
  6f2e8650a6d1a6369f55fd810b2e173427a4acdf
- SHA256
  
  f81037799acf75dae40624a0b68c7e694f6f8b76eb1629f844dda9ae7d5da96b
- SHA512
  
  8a4c97ce2015be0767b712ec9e4df3d5dc65e213b0f85028dd6e1c536a96cb5bf5ee80c313b02825228559de0a47381fb68ee9db239e094c11bde396949709a7
- SSDEEP
  
  3072:s9uV33v8Km+ghoeuTUZb+yl7xOJKXgmkcmNcD55WLLV7Vdb9r6+:n3v8Km+6WGbhaKpkXNcCJDh
Score

10^/10

smokeloader pub1 backdoor trojan dcrat djvu privateloader raccoon risepro zgrat collection discovery evasion infostealer loader persistence ransomware rat spyware stealer themida
- 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.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Deletes itself
- Drops startup file
- Executes dropped EXE
- Modifies file permissions
  discovery
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- 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
- Accesses Microsoft Outlook profiles
  collection
- 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
- 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