MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8995859db6a51656cb461338eaaf2de8ccd675b2f769b23638cdd23ae13400ce. 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

AokigaharaStealer

Vendor detections: 14

Intelligence 14 IOCs YARA 41 File information Comments

SHA256 hash:	8995859db6a51656cb461338eaaf2de8ccd675b2f769b23638cdd23ae13400ce
SHA3-384 hash:	4a8a383129fb4b9e5ccb013231302e348717928b9a13b1f2d441452f3e54ad4885223b9461a567f9cccecd1368ca0d68
SHA1 hash:	74fcc1fb92e24319ac785375d905ee9b725c57e4
MD5 hash:	1bd88b143a4e82734ddd1748865dd0c5
humanhash:	grey-chicken-sink-apart
File name:	1bd88b143a4e82734ddd1748865dd0c5.exe
Download:	download sample
Signature	AokigaharaStealer Create hunting rule
File size:	8'629'688 bytes
First seen:	2026-10-05 08:11:53 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	c2d457ad8ac36fc9f18d45bffcd450c2 (74 x Vidar, 39 x RemusStealer, 24 x CobaltStrike)
ssdeep	49152:GJM5QOz+ScZph1pow5y3ogMGsySbM/DztvTdoER22NnBvUHu0YL04ZgPoIPdhVU:1ZkOtlIPPy
TLSH	T1EA969003774C00D8C897EF7484A15A3961B03CDD96357A5B8EA97EA42F1A3957BEEF00
TrID	33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	abuse_ch
Tags:	AokigaharaStealer exe signed

Code Signing Certificate

Organisation:	Atlas Metric Industries
Issuer:	Atlas Metric Industries
Algorithm:	sha256WithRSAEncryption
Valid from:	2026-09-25T07:38:39Z
Valid to:	2027-10-02T07:38:39Z
Serial number:	04ad10f5e384cd90ec8f86c623b8f6a9
Thumbprint Algorithm:	SHA256
Thumbprint:	b6b4fb92f8f9ceb4eb7818f400f8f8319a6d9c9f576dcd444234adb4358542f2
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

213

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-10-05 08:22:51 UTC

Tags:

ip-check evasion aokigahara stealer arch-doc

Link:

https://app.any.run/tasks/93a5b763-408d-4761-b8a1-b9d4e72c34cf

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/90677/

Detection(s):

SecuriteInfo.com.Trojan.Siggen34.34107.3009.19830.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6acf6089f4e17c78f7150eae

Tags:

vmdetect phishing emotet lien

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Creating a window

Creating a process with a hidden window

Reading critical registry keys

Deleting a recently created file

Searching for the window

Creating a file

Using the Windows Management Instrumentation requests

Launching a tool to kill processes

Stealing user critical data

Forced shutdown of a browser

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm golang invalid-signature self-signed-cert signed

Link:

https://www.filescan.io/uploads/6ac35bdbcd627d60ab471b7b/reports/9fa9386a-a864-4d01-bc74-d2c9bc5bc9ed/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/8995859db6a51656cb461338eaaf2de8ccd675b2f769b23638cdd23ae13400ce

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-10-02T09:06:00Z UTC

Last seen:

2026-10-06T19:45:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/8995859db6a51656cb461338eaaf2de8ccd675b2f769b23638cdd23ae13400ce/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/bb5e3759-409f-4319-a18f-3f27fd08eb10

Result

Threat name:

n/a

Detection:

malicious

Classification:

spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1982177

Signature

AI detected suspicious PE / MSI digital signature

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Contain functionality to detect virtual machines

Contains functionality to inject code into remote processes

Contains functionality to inject threads in other processes

Contains functionality to steal saved passwords of Firefox

Creates a thread in another existing process (thread injection)

Detected unpacking (creates a PE file in dynamic memory)

Found direct / indirect Syscall (likely to bypass EDR)

Found many strings related to Crypto-Wallets (likely being stolen)

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Tries to detect sandboxes / dynamic malware analysis system (Installed program check)

Tries to detect virtualization through RDTSC time measurements

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal from password manager

Unusual module load detection (module proxying)

Writes to foreign memory regions

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8995859db6a51656cb461338eaaf2de8ccd675b2f769b23638cdd23ae13400ce

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/1bd88b143a4e82734ddd1748865dd0c5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8995859db6a51656cb461338eaaf2de8ccd675b2f769b23638cdd23ae13400ce/

Threat name:

Win64.Trojan.AdvML

Status:

Malicious

First seen:

2026-10-02 13:54:52 UTC

File Type:

PE+ (Exe)

AV detection:

19 of 38 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rgkylhnwuulfns2gcm4ovlzn5dgnm5ns65u3enryzxjdvyjuadha._file

Verdict:

malicious

Label(s):

AokigaharaStealer

Link:

https://reports.threatray.com/96be8b66-ce39-4084-9f02-a13e9fd9c265

Result

Malware family:

aokigahara

Score:

10/10

Tags:

family:aokigahara collection credential_access defense_evasion discovery spyware stealer

Link:

https://tria.ge/reports/261005-j3yysaff86/

Behaviour

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

Browser Information Discovery

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

Accesses Microsoft Outlook profiles

Checks installed software on the system

Looks up external IP address via web service

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Unsecured Credentials: Credentials In Files

Family: Aokigahara

Unpacked files

SH256 hash:

8995859db6a51656cb461338eaaf2de8ccd675b2f769b23638cdd23ae13400ce

MD5 hash:

1bd88b143a4e82734ddd1748865dd0c5

SHA1 hash:

74fcc1fb92e24319ac785375d905ee9b725c57e4

Link:

https://www.unpac.me/results/75d008bd-cc64-473e-be5d-daa7660afe21/

Malware family:

AokigaharaStealer

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8995859db6a5/report/overview.html

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/8995859db6a51656cb461338eaaf2de8ccd675b2f769b23638cdd23ae13400ce

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_VBox_Guest_Additions Create hunting rule

Rule name:	Check_VmTools Create hunting rule

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

Rule name:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

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

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

Rule name:	dsc Create hunting rule
Author:	Aaron DeVera
Description:	Discord domains

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

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

Rule name:	golang_duffcopy_amd64 Create hunting rule

Rule name:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_PasswordManagers Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many Password Manager software clients. Observed in infostealers

Rule name:	Macos_Infostealer_Wallets_8e469ea0 Create hunting rule
Author:	Elastic Security

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RemusStealer_GoPayload Create hunting rule
Author:	burger
Description:	Detects RemusStealer Go-compiled payload

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

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

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_rule_vldslv Create hunting rule

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

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:	WIN_Malware_Fantom_ForgeAuto_98e6f354_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Fantom (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_30f84f37 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.

Cape

https://www.capesandbox.com/analysis/90677/

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