MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0446e34ae6ce7f9cca130d58f9dcf0485e2d4ec5010eefbec4c826918c72e3ae. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments 1

SHA256 hash: 0446e34ae6ce7f9cca130d58f9dcf0485e2d4ec5010eefbec4c826918c72e3ae
SHA3-384 hash: 39c2aba7cd45ac9f9662d439beec4a7e9690d66648050f98e9fef83dc06158a1baf2a52f115319b728e3d8f0da8b9f20
SHA1 hash: 15111c3b8f323535b86e81d2963a19029cbf40b8
MD5 hash: cb7eb1adf0a8dfe4dd7f13840f612514
humanhash: cardinal-bakerloo-oranges-arizona
File name:cb7eb1adf0a8dfe4dd7f13840f612514
Download: download sample
Signature DCRat
File size:1'120'256 bytes
First seen:2021-08-20 02:02:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:qlJMy8mJMcg/izkcwyAQubRUjq+81o7/NOauaspKtbg2Kgkqn4:qdLZg/8w1bRIqFoKpeMvgk+4
Threatray 134 similar samples on MalwareBazaar
TLSH T1973517027A4ADD02D0A9163BC9DF443447ACEE417B66DB2A7E9F376D21123A71D0E1CE
Reporter zbetcheckin
Tags:32 DCRat exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cb7eb1adf0a8dfe4dd7f13840f612514
Verdict:
Malicious activity
Analysis date:
2021-08-20 02:04:36 UTC
Tags:
trojan rat backdoor dcrat stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the system32 subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %temp% directory
Deleting a recently created file
Running batch commands
Creating a process with a hidden window
Creating a file
Sending a UDP request
Creating a process from a recently created file
Connection attempt
Sending an HTTP GET request
Creating a window
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Stealing user critical data
Enabling autorun by creating a file
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: System File Execution Location Anomaly
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 468580 Sample: 5LKDl7tnWF Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for dropped file 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected DCRat 2->44 46 9 other signatures 2->46 7 5LKDl7tnWF.exe 10 27 2->7         started        11 UsoClient.exe 3 2->11         started        13 HxTsr.exe 3 2->13         started        15 10 other processes 2->15 process3 dnsIp4 28 C:\Windows\...\ShellExperienceHost.exe, PE32 7->28 dropped 30 C:\Windows\System32\...\RuntimeBroker.exe, PE32 7->30 dropped 32 C:\Windows\System32\WwaExt\UsoClient.exe, PE32 7->32 dropped 34 11 other malicious files 7->34 dropped 48 Creates autostart registry keys with suspicious values (likely registry only malware) 7->48 50 Creates multiple autostart registry keys 7->50 52 Creates an autostart registry key pointing to binary in C:\Windows 7->52 60 2 other signatures 7->60 18 cmd.exe 1 7->18         started        54 Multi AV Scanner detection for dropped file 11->54 56 Machine Learning detection for dropped file 11->56 36 82.146.46.79, 49725, 49726, 49727 THEFIRST-ASRU Russian Federation 15->36 38 192.168.2.1 unknown unknown 15->38 58 Tries to harvest and steal browser information (history, passwords, etc) 15->58 file5 signatures6 process7 process8 20 conhost.exe 18->20         started        22 chcp.com 18->22         started        24 w32tm.exe 18->24         started        26 dllhost.exe 18->26         started       
Threat name:
ByteCode-MSIL.Backdoor.LightStone
Status:
Malicious
First seen:
2021-08-19 23:52:14 UTC
AV detection:
27 of 47 (57.45%)
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 System32 directory
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
DCRat Payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
6df39516445c50c430c7c17e7faee0649c01442121e167dd7daf384e3c52dc2f
MD5 hash:
cedf5a71c318c65f80f5b607bb2e0032
SHA1 hash:
f679f58a86e4db49a78f7dd855c5372cefaae2a4
SH256 hash:
0446e34ae6ce7f9cca130d58f9dcf0485e2d4ec5010eefbec4c826918c72e3ae
MD5 hash:
cb7eb1adf0a8dfe4dd7f13840f612514
SHA1 hash:
15111c3b8f323535b86e81d2963a19029cbf40b8
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:pe_imphash
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.

Web download

DCRat

Executable exe 0446e34ae6ce7f9cca130d58f9dcf0485e2d4ec5010eefbec4c826918c72e3ae

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-08-20 02:02:58 UTC

url : hxxp://135.125.172.201/DllDhcpreviewsessioncrt.exe