MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ba4ff2085ac7ffa2386adad160f53623f77415e623a34189f4d5728354a03ce. 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

ArkeiStealer

Vendor detections: 15

Intelligence 15 IOCs YARA 59 File information Comments

SHA256 hash:	0ba4ff2085ac7ffa2386adad160f53623f77415e623a34189f4d5728354a03ce
SHA3-384 hash:	55d8dcda12a327143d8c9b3fbc476a5b524f6e54cffdd21db2741ea41019a0e5cec2dc4e3ddb0b5bfbb7931b8ac345bb
SHA1 hash:	26abe22f1f871c74cb48e27edeb160c2f43ce31a
MD5 hash:	8988944e4d193aab8d6ab1ceaa22218a
humanhash:	tennis-mississippi-cat-carbon
File name:	T1000-YK.exe
Download:	download sample
Signature	ArkeiStealer Create hunting rule
File size:	44'134'400 bytes
First seen:	2026-03-18 01:09:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	fbf31ebc1fe79f66fd12e09bea1df005 (1 x ArkeiStealer)
ssdeep	786432:VxSBxXBXX/RmjYv2F3jza8xd4OYqdwMKEMJUefhOq4XO:VxSBRBXX/RmDa8xY+MLpx
Threatray	5 similar samples on MalwareBazaar
TLSH	T1FBA7AD23A251C96BD39A0031CD6AD2BA97647D1C5BF562F7B78035EEED322C53B39201
TrID	38.2% (.EXE) Win64 Executable (generic) (6522/11/2) 26.4% (.EXE) Win32 Executable (generic) (4504/4/1) 11.8% (.EXE) OS/2 Executable (generic) (2029/13) 11.7% (.EXE) Generic Win/DOS Executable (2002/3) 11.7% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
Reporter	Ling
Tags:	ArkeiStealer exe SilverFox Trojan:Win32/Vigorf.A

CNGaoLing

Trojan:Win32/Vigorf.A (Microsoft Defender)

SilverFox
IOC (Domain 8801.1988945.xyz) (IP 195.245.242.238)

Intelligence

File Origin

# of uploads :

# of downloads :

157

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

DllToShellCode Rex ValleyFall

Details

ValleyFall

configuration settings and possibly extracted component

Link:

https://research.acce.ciphertechsolutions.com/results/ae18b5c5-2f01-4e39-82a6-609e8dbdebf1/

Malware family:

n/a

ID:

File name:

T1000-YK.exe

Verdict:

Malicious activity

Analysis date:

2026-03-18 01:10:33 UTC

Tags:

boxedapp gh0stkcp crypto-regex upx valleyrat rat silverfox winos

Link:

https://app.any.run/tasks/2963bfbc-fc67-4687-b177-2e8a63da89bb

Note:

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

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69b9fb5588c80c01586b79f7

Tags:

shellcode emotet spawn

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Сreating synchronization primitives

Creating a file

Creating a window

DNS request

Connection attempt

Sending a custom TCP request

Sending a UDP request

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm anti-vm base64 cmd crypto dllhost evasive evasive explorer farfli fingerprint keylogger lolbin microsoft_visual_cc mimikatz obfuscated overlay packed packed rozena soft-404 windows xor-pe

Link:

https://www.filescan.io/uploads/69b9fb4a493cb7d62d03233c/reports/0c73842b-d647-4195-a154-6bfc728cf2dc/overview

Verdict:

Malicious

Labled as:

Dump:Generic.Shellcode.Loader.Marte.Y

Link:

https://www.hybrid-analysis.com/sample/0ba4ff2085ac7ffa2386adad160f53623f77415e623a34189f4d5728354a03ce

Verdict:

Malicious

File Type:

exe x32

Detections:

PDM:Trojan.Win32.Generic PDM:Exploit.Win32.Generic HEUR:Trojan.Win64.Generic HEUR:Trojan.Win32.Agent.gen HEUR:Backdoor.Win32.Farfli.gen Backdoor.Win32.Xkcp.a HEUR:Backdoor.Win32.nimpl.a Trojan-PSW.Win32.Coins.sb Trojan.Win32.Agent.sb HEUR:Trojan.Win64.Shellcode.gen

Link:

https://opentip.kaspersky.com/0ba4ff2085ac7ffa2386adad160f53623f77415e623a34189f4d5728354a03ce/results?tab=lookup

Score:

29%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/0ba4ff2085ac7ffa2386adad160f53623f77415e623a34189f4d5728354a03ce

Gathering data

Verdict:

Malicious

Threat:

Family.VALLEYRAT

Link:

https://tip.neiki.dev/file/0ba4ff2085ac7ffa2386adad160f53623f77415e623a34189f4d5728354a03ce

Threat name:

Win32.Trojan.VoidArachne

Status:

Malicious

First seen:

2026-03-17 14:33:48 UTC

File Type:

PE (Exe)

Extracted files:

886

AV detection:

22 of 38 (57.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=bosp6iefvr77ui4gvwwrmd2tmi7xoqk6mi5dige7jvlsqnkkapha._file

Verdict:

malicious

Label(s):

valleyrat

ArkeiStealer

a9ac75edac52f05e1a07b0447cf8e58b5d90eaab16f01ee19affa1cf9e599da1

ArkeiStealer

error

ArkeiStealer

Result

Malware family:

valleyrat_s2

Score:

10/10

Tags:

family:valleyrat_s2 backdoor discovery

Link:

https://tria.ge/reports/260318-bh2j6sfw8n/

Behaviour

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

ValleyRat

Valleyrat_s2 family

Malware Config

C2 Extraction:

8801.1988945.xyz:8801
8801.1988945.xyz:8802
8801.1988945.xyz:8803

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0ba4ff2085ac/report/overview.html

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/0ba4ff2085ac7ffa2386adad160f53623f77415e623a34189f4d5728354a03ce

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	cobalt_strike_beacon_detected Create hunting rule
Author:	0x0d4y
Description:	This rule detects cobalt strike beacons.

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	cybercrime_swisscom_html Create hunting rule
Author:	Marc
Description:	HTML with swisscom

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

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Detect_all_IPv6_variants Create hunting rule
Author:	Bierchermuesli
Description:	Generic IPv6 catcher

Rule name:	detect_powershell Create hunting rule
Author:	daniyyell
Description:	Detects suspicious PowerShell activity related to malware execution

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	GenericGh0st Create hunting rule
Author:	Still

Rule name:	Gh0stKCP Create hunting rule
Author:	Netresec
Description:	Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:	https://netresec.com/?b=259a5af

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

Rule name:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	HeavensGate Create hunting rule
Author:	kevoreilly
Description:	Heaven's Gate: Switch from 32-bit to 64-mode

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references

Rule name:	INDICATOR_SUSPICIOUS_EXE_Crypto_Wallet_Regex Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing cryptocurrency wallet regular expressions

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

Rule name:	JKornevHidden Create hunting rule
Author:	Still
Description:	attempts to match the strings found in JKornev's Hidden rootkit

Rule name:	Lumma_Stealer_Detection Create hunting rule
Author:	ashizZz
Description:	Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:	https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

Rule name:	MAL_packer_lb_was_detected Create hunting rule
Author:	0x0d4y
Description:	Detect the packer used by Lockbit4.0

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	Mimikatz_Memory_Rule_1 Create hunting rule
Author:	Florian Roth
Description:	Detects password dumper mimikatz in memory

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETDLLMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	reverse_http Create hunting rule
Author:	CD_R0M_
Description:	Identify strings with http reversed (ptth)

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	Rooter Create hunting rule
Author:	Seth Hardy
Description:	Rooter

Rule name:	RooterStrings Create hunting rule
Author:	Seth Hardy
Description:	Rooter Identifying Strings

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	Suspicious_PowerShell_Commands_Executed_via_Rundll32 Create hunting rule
Author:	assistant
Description:	Detects when rundll32.exe is used to execute PowerShell commands that may indicate malicious activity
Reference:	https://github.com/SigmaHQ/sigma/blob/master/rules/windows/process_creation/win_susp_powershell_via_rundll32.yml

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

Rule name:	Sus_All_Windows_PE_Malware Create hunting rule
Author:	DiegoAnalytics
Description:	Detects Windows PE malware of all types, avoids non-executables like .html

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:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	test_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

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

Rule name:	ValleyRAT Create hunting rule
Author:	NDA0E
Description:	Detects ValleyRAT

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:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	WHIRLPOOL_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for WhirlPool constants

Rule name:	Windows_Generic_Threat_3055c14a Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Generic_Threat_4b0b73ce Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Shellcode_Rdi_eee75d2c Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Winos_464b8a2e Create hunting rule
Author:	Elastic Security

Rule name:	WinosStager Create hunting rule
Author:	YungBinary
Description:	https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

File information

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

Web download

ArkeiStealer

exe 0ba4ff2085ac7ffa2386adad160f53623f77415e623a34189f4d5728354a03ce

(this sample)

Delivery method

Distributed via web download

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