MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97698987bb3fb24a528404c1cef2e906739ce45145b79c4e088dd446ecaabccc. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments

SHA256 hash: 97698987bb3fb24a528404c1cef2e906739ce45145b79c4e088dd446ecaabccc
SHA3-384 hash: 789e84e731822c964a18873aa48167b2d05cf79a0e21355d83bb35d946871bfde2acfb4b25563566194c889066a5b1b1
SHA1 hash: 5140da79cfea2916ccdaa603782623255a62e250
MD5 hash: 2226c185fdf14566fec87d2c96edf8e1
humanhash: mirror-saturn-lion-carolina
File name:file
Download: download sample
Signature DCRat
File size:66'048 bytes
First seen:2023-01-20 13:56:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:LduNoFtKDs4zb1vVQG0KnkJBsLB8lfcSE0c7DyVclN:5uNoFtQrzb1WSesqliDQY
Threatray 7'276 similar samples on MalwareBazaar
TLSH T123532B40E3564125E2AB52B35AB1D3B199395E573602C6356CD32CBB3E03EDBC7122EA
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0ccd8f8e0e4c4f8 (1 x DCRat)
Reporter jstrosch
Tags:.NET DCRat exe MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-20 14:12:04 UTC
Tags:
asyncrat

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

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy.exe evasive hacktool mpcmdrun.exe msconfig.exe njrat packed rat regedit.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:
AsyncRAT, DcRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 788284 Sample: file.exe Startdate: 20/01/2023 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 5 other signatures 2->41 7 LightspeedFilter.exe 3 2->7         started        10 file.exe 7 2->10         started        process3 file4 43 Antivirus detection for dropped file 7->43 45 Multi AV Scanner detection for dropped file 7->45 47 Machine Learning detection for dropped file 7->47 29 C:\Users\user\...\LightspeedFilter.exe, PE32 10->29 dropped 31 C:\Users\user\AppData\Local\...\file.exe.log, CSV 10->31 dropped 13 cmd.exe 1 10->13         started        16 cmd.exe 1 10->16         started        signatures5 process6 signatures7 49 Uses schtasks.exe or at.exe to add and modify task schedules 13->49 18 conhost.exe 13->18         started        20 schtasks.exe 1 13->20         started        22 LightspeedFilter.exe 2 16->22         started        25 conhost.exe 16->25         started        27 timeout.exe 1 16->27         started        process8 dnsIp9 33 127.0.0.1 unknown unknown 22->33
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Status:
Malicious
First seen:
2023-01-20 13:57:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:8848
Unpacked files
SH256 hash:
97698987bb3fb24a528404c1cef2e906739ce45145b79c4e088dd446ecaabccc
MD5 hash:
2226c185fdf14566fec87d2c96edf8e1
SHA1 hash:
5140da79cfea2916ccdaa603782623255a62e250
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:AsyncRat_Detection_Dec_2022
Author:Potatech
Description:AsyncRat
Rule name:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Windows_Trojan_DCRat_1aeea1ac
Author:Elastic Security

File information


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

Web download

DCRat

Executable exe 97698987bb3fb24a528404c1cef2e906739ce45145b79c4e088dd446ecaabccc

(this sample)

  
Delivery method
Distributed via web download

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