MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31ed9da35b7d67a03adede508830880b3af7d04207ca899752848fd2d1ae6718. 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: 18


Intelligence 18 IOCs YARA 23 File information Comments

SHA256 hash: 31ed9da35b7d67a03adede508830880b3af7d04207ca899752848fd2d1ae6718
SHA3-384 hash: 7b0a743833cd2121964592356df0d964a4cdfa40d546cf711abf27359f72c687be5426670c79efa7038b0501172d7a89
SHA1 hash: c96a4f799bc91a79873f410d3f52b7617c7cb114
MD5 hash: a079a1c5b89476c8864fb198e3adceac
humanhash: alaska-fruit-mirror-minnesota
File name:RuntimeBroker.exe
Download: download sample
Signature DCRat
File size:530'368 bytes
First seen:2025-08-04 11:31:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1418e44b536f42ef5db8fd35c961985c (2 x DCRat, 1 x Blackmoon, 1 x Vidar)
ssdeep 12288:OzwxXnQTwaXirJ7utIeT1JvQ7Jnn9+W5AciIlw0P6s97:RXnwxw7610n9+W5ADINp97
Threatray 14 similar samples on MalwareBazaar
TLSH T164B4BF35F6C48433D17B5A74ADF692854439FF602838588B3AF80C5C8B7B7826A653E7
TrID 40.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
13.4% (.EXE) Win64 Executable (generic) (10522/11/4)
12.8% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
8.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter burger
Tags:DCRat exe signed

Code Signing Certificate

Organisation:Winamp SA
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2022-06-15T00:00:00Z
Valid to:2024-06-12T23:59:59Z
Serial number: 08d4bf5a529c725997e0f6c526495d2f
Intelligence: 45 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: db796af1ce42a1f71907fc7f6c06313f29fda38a2059dadfb09bf21943338286
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
64thService.exe
Verdict:
Malicious activity
Analysis date:
2025-08-02 10:28:22 UTC
Tags:
loader confuser

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
asyncrat emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Connection attempt
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 configsecuritypolicy dllhost enigma evasive expired-cert fingerprint hacktool lolbin mpcmdrun msconfig njrat njrat obfuscated packed packed rat regedit regsvr32 replace schtasks signed
Result
Threat name:
AsyncRAT, DcRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Detected potential unwanted application
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries memory information (via WMI often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 1749785 Sample: RuntimeBroker.exe Startdate: 04/08/2025 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 12 other signatures 2->41 7 RuntimeBroker.exe 8 2->7         started        11 RuntimeBroker.exe 3 2->11         started        process3 dnsIp4 29 C:\Users\user\AppData\...\RuntimeBroker.exe, PE32 7->29 dropped 31 C:\Users\user\...\RuntimeBroker.exe.log, CSV 7->31 dropped 43 Detected unpacking (changes PE section rights) 7->43 45 Detected unpacking (overwrites its own PE header) 7->45 47 Protects its processes via BreakOnTermination flag 7->47 14 cmd.exe 1 7->14         started        17 cmd.exe 1 7->17         started        33 157.97.11.134, 8080 NOVAIS-ASIS Iceland 11->33 49 Multi AV Scanner detection for dropped file 11->49 51 Queries memory information (via WMI often done to detect virtual machines) 11->51 file5 signatures6 process7 signatures8 53 Uses schtasks.exe or at.exe to add and modify task schedules 14->53 19 conhost.exe 14->19         started        21 schtasks.exe 1 14->21         started        23 RuntimeBroker.exe 3 17->23         started        25 conhost.exe 17->25         started        27 timeout.exe 1 17->27         started        process9
Verdict:
DcRat
YARA:
16 match(es)
Tags:
.Net DarkCrystal RAT DcRat Executable PE (Portable Executable) RAT
Malware Config
C2 Extraction:
PORT: 8080
CNC: 157.97.11.134
Threat name:
Win32.Backdoor.Asyncrat
Status:
Malicious
First seen:
2025-08-02 00:22:28 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
Program crash
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
rat asyncrat Win.Packed.Razy-9807129-0
YARA:
asyncrat
Unpacked files
SH256 hash:
31ed9da35b7d67a03adede508830880b3af7d04207ca899752848fd2d1ae6718
MD5 hash:
a079a1c5b89476c8864fb198e3adceac
SHA1 hash:
c96a4f799bc91a79873f410d3f52b7617c7cb114
SH256 hash:
030d5aee7dafcb0ef599280d9030e412fb362e6909620597a34043be2f6064f9
MD5 hash:
31a0453af3e7bd28a8293b42295ad475
SHA1 hash:
e48d78d28d0d2202cabac0a1b902e2fdb11846fe
Detections:
INDICATOR_EXE_Packed_Loader
SH256 hash:
95349cbb0ce9bd2bb939c04e611750eca5d1ac1b8baa53641c28c147a59dc725
MD5 hash:
95b2c0f892fe4c15ac1d4929bcb54df1
SHA1 hash:
b13abc14da4b7f1c0a8f5aacd98f0c6fb18873fd
SH256 hash:
2a07e9d82531a6e8707d010d217157303a827d8ecce36f58372401b87849728e
MD5 hash:
6564864bc27d4f1fd140648fbea35a0f
SHA1 hash:
0fbce743661919c46427c59237a2c823155eac31
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:Borland
Author:malware-lu
Rule name:dcrat
Author:jeFF0Falltrades
Rule name:dcrat_kingrat
Author:jeFF0Falltrades
Rule name:dcrat_rkp
Author:jeFF0Falltrades
Description:Detects DCRat payloads
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_Enigma
Author:ditekSHen
Description:Detects executables packed with Enigma
Rule name:INDICATOR_EXE_Packed_Loader
Author:ditekSHen
Description:Detects packed executables observed in Molerats
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_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_MalCert_65514fe0
Author:Elastic Security

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CreateStreamOnHGlobal
KERNEL_APIManipulates Windows Kernel & Driversntdll.dll::RtlInitUnicodeString
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateRemoteThread
kernel32.dll::OpenProcess
kernel32.dll::VirtualAllocEx
kernel32.dll::WriteProcessMemory
kernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIntdll.dll::NtQuerySystemInformation
kernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileW
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileW
kernel32.dll::DeleteFileA
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::QueryDosDeviceW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegOpenKeyA
advapi32.dll::RegQueryValueExA

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