MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f. 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

DarkCoreRAT

Vendor detections: 12

Intelligence 12 IOCs YARA 15 File information Comments

SHA256 hash:	77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f
SHA3-384 hash:	6c1460fd4b3907014f07ff06538a618146fc925c7ece3a633534747246f0f038e0abe45dfad0a16123b0e69017194c8c
SHA1 hash:	d12faa40e6f2751662781325169426efad908f96
MD5 hash:	10df86a98ab086031d4c2bd3825101ea
humanhash:	island-winter-princess-chicken
File name:	chay.exe
Download:	download sample
Signature	DarkCoreRAT Create hunting rule
File size:	566'272 bytes
First seen:	2026-11-01 11:33:40 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	029a7149d02bfe860bbe3e5533ccab81 (2 x DarkCoreRAT)
ssdeep	6144:3sSpfi4aG7OTqOqs8L+XpTLC8mGtRSyiftV0z6gc8maKr7h8+mPrjqgTfO4IaK9:84OTqOf8aTLC8Vot+uFGaKDygY9
TLSH	T1D6C4AF58F6A402F9E177C274CE534613FB7278491370AAEB03E099A72F236A19B3D751
TrID	37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
Reporter	abuse_ch
Tags:	DarkCoreRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

161

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-11-01 11:44:32 UTC

Tags:

darkcore rat ip-check

Link:

https://app.any.run/tasks/6652625a-deb2-4215-9e72-6824ec8225d1

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/96526/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Siggen5.36270.1985.5608.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ae723ccb121dd519dcf2af1

Tags:

dropper virus blic

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a file

Creating synchronization primitives

Adding an access-denied ACE

Searching for the window

Connection attempt

Sending a custom TCP request

DNS request

Sending an HTTP GET request

Gathering data

Verdict:

Malicious

Labled as:

Yogi.Generic

Link:

https://www.hybrid-analysis.com/sample/77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-11-01T04:54:00Z UTC

Last seen:

2026-11-02T01:10:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/5b9bbbc5-fcbb-4715-bc41-63e802a6c55b

Result

Threat name:

DarkCore RAT

Detection:

malicious

Classification:

troj.evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1996087

Signature

Connects to many ports of the same IP (likely port scanning)

Contains functionality to detect hardware virtualization (CPUID execution measurement)

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Tries to detect sleep reduction / modifications

Tries to detect virtualization through RDTSC time measurements

Yara detected DarkCore RAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f

Verdict:

inconclusive

YARA:

7 match(es)

Tags:

Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/10df86a98ab086031d4c2bd3825101ea

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f/

Threat name:

Win64.Trojan.Amadey

Status:

Malicious

First seen:

2026-11-01 09:56:01 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

25 of 36 (69.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=o6tnnfbmvysvhtajxok56kz32nfzp5w23xxh2dp7i65di3h2tepq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/261101-npmqtavsbv/

Behaviour

Checks processor information in registry

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Reads the TCP/IP host and domain name from the registry

Looks up external IP address via web service

Checks computer location settings

Unpacked files

SH256 hash:

77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f

MD5 hash:

10df86a98ab086031d4c2bd3825101ea

SHA1 hash:

d12faa40e6f2751662781325169426efad908f96

Detections:

cn_utf8_windows_terminal

Suspicious_PowerShell_WebDownload_1

Link:

https://www.unpac.me/results/1964d35a-3d81-47ff-94a4-60d781778839/

SH256 hash:

0ac043764a812406ccb6155784a9198c6d8016788c95924aba8c60db472366a3

MD5 hash:

4671acfd15d9e02093b93bf22902ab24

SHA1 hash:

d0c1c823fd36e41923944e5b6253dea78eee3b28

Link:

https://www.unpac.me/results/1964d35a-3d81-47ff-94a4-60d781778839/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f

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:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	Suspicious_Process Create hunting rule
Author:	Security Research Team
Description:	Suspicious process creation

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	WIN_Malware_Unknown_ForgeAuto_2ffc3572 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_74566f98 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_79234c04 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

File information

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

Web download

DarkCoreRAT

exe 77a6d6942cae2553cc09bb95df2b3bd34b97f6daddee7d0dff47ba346cfa991f

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/4049485/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/4049506/

Cape

https://www.capesandbox.com/analysis/96526/

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