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
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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