MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4dd91a6ee176b7f2a511d72b6bc4029ff249a5983d9fca5a62ec6638a10a5ef. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



DCRat


Vendor detections: 9


Intelligence 9 IOCs 1 YARA 3 File information Comments

SHA256 hash: c4dd91a6ee176b7f2a511d72b6bc4029ff249a5983d9fca5a62ec6638a10a5ef
SHA3-384 hash: 618bc99de7d5ee65117de18f1229201c9fad1b33e61c157c29696d66d5bed9e08886cd4fa058a00746f6469500e479d8
SHA1 hash: a63d391a63e801cc75624d15edde71fc9e901533
MD5 hash: 179c686a3f91bb2aa943fd73d55f1ecf
humanhash: seventeen-lemon-bulldog-yellow
File name:179c686a3f91bb2aa943fd73d55f1ecf.exe
Download: download sample
Signature DCRat
File size:1'212'960 bytes
First seen:2022-04-26 03:26:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:nlsmqTuvqqd7MSw6llzR+T2D02lD1weDzH1Ym+Hj9/:uruvb9F+T2DZlDvVYm+Hjx
Threatray 2'725 similar samples on MalwareBazaar
TLSH T17D457B0A7A49CA0AD0B91737C8EFC01947ECAD426A66D72A7E9E339C11513E75D4E0CF
TrID 48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.6% (.SCR) Windows screen saver (13101/52/3)
6.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://access.samp-loader.ru/access.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://access.samp-loader.ru/access.php https://threatfox.abuse.ch/ioc/523356/

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Creating a file in the system32 subdirectories
Creating a file in the Program Files subdirectories
Sending a custom TCP request
Creating a process from a recently created file
Creating a process with a hidden window
DNS request
Sending an HTTP GET request
Creating a window
Searching for synchronization primitives
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Deleting a recently created file
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Enabling autorun
Unauthorized injection to a system process
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd.exe control.exe cscript.exe dcrat explorer.exe greyware hacktool obfuscated overlay packed replace.exe schtasks.exe
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops PE files to the user root directory
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: File Created with System Process Name
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2022-04-23 10:53:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 42 (76.19%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer persistence rat spyware stealer
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Executes dropped EXE
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
c4dd91a6ee176b7f2a511d72b6bc4029ff249a5983d9fca5a62ec6638a10a5ef
MD5 hash:
179c686a3f91bb2aa943fd73d55f1ecf
SHA1 hash:
a63d391a63e801cc75624d15edde71fc9e901533
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pdb2
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments