MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cd346c54de5119303b2387f3341e8d20920d3e3c5ad8ace7f095457d71a12ce. 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: 1cd346c54de5119303b2387f3341e8d20920d3e3c5ad8ace7f095457d71a12ce
SHA3-384 hash: aaaf1294cc5c01cb889777406fab12b767fb7207b80184303237798f20dcb2a66f46dc9dae2941984cc5980e5be35211
SHA1 hash: d2216dd36ee758dd526e5501ab63bb1934b235cf
MD5 hash: e0d2821552e5d39cbed2a11eac9b13c7
humanhash: iowa-sad-double-indigo
File name:file
Download: download sample
Signature DCRat
File size:49'152 bytes
First seen:2023-01-20 13:53:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:R2OogIL8Goo+jidtelDSN+iV08YbygekWylvEgK/JXpVc6KN:R2ogdtKDs4zb1vblnkJXpVclN
Threatray 6'977 similar samples on MalwareBazaar
TLSH T183236D4037D88136F2BD4BB4ADF2A14187B9E2676903CA5D6CC814EA1F13BC596136FE
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)
Reporter jstrosch
Tags:.NET DCRat exe MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-20 13:55:24 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
Searching for the window
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
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
C2 URLs / IPs found in malware configuration
Drops PE files with benign system names
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
Sigma detected: Schedule system process
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
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: 788254 Sample: file.exe Startdate: 20/01/2023 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 8 other signatures 2->42 7 file.exe 7 2->7         started        11 svchost.exe 3 2->11         started        process3 file4 30 C:\Users\user\AppData\Roaming\svchost.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\Local\...\file.exe.log, CSV 7->32 dropped 46 Drops PE files with benign system names 7->46 13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        48 Antivirus detection for dropped file 11->48 50 System process connects to network (likely due to code injection or exploit) 11->50 52 Multi AV Scanner detection for dropped file 11->52 54 Machine Learning detection for dropped file 11->54 signatures5 process6 signatures7 18 svchost.exe 2 13->18         started        22 conhost.exe 13->22         started        24 timeout.exe 1 13->24         started        56 Uses schtasks.exe or at.exe to add and modify task schedules 15->56 26 conhost.exe 15->26         started        28 schtasks.exe 1 15->28         started        process8 dnsIp9 34 darknessdz.ddns.net 105.107.45.240, 1177, 49695, 49696 ALGTEL-ASDZ Algeria 18->34 44 System process connects to network (likely due to code injection or exploit) 18->44 signatures10
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Status:
Malicious
First seen:
2023-01-20 13:54:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
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:
darknessdz.ddns.net:1177
Unpacked files
SH256 hash:
1cd346c54de5119303b2387f3341e8d20920d3e3c5ad8ace7f095457d71a12ce
MD5 hash:
e0d2821552e5d39cbed2a11eac9b13c7
SHA1 hash:
d2216dd36ee758dd526e5501ab63bb1934b235cf
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 1cd346c54de5119303b2387f3341e8d20920d3e3c5ad8ace7f095457d71a12ce

(this sample)

  
Delivery method
Distributed via web download

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