MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39f366b6e4850cc9b64ff60e643c7c8b4c7df4e4a8f9a601fa829ae1d9861371. 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: 9

Intelligence 9 IOCs YARA 42 File information Comments

SHA256 hash:	39f366b6e4850cc9b64ff60e643c7c8b4c7df4e4a8f9a601fa829ae1d9861371
SHA3-384 hash:	9c4ee449ab473d03fa78a197f7e169e319ea55094fd3fdd1fcd456666b7e197835b127fc7ad514dadfc599cc9e917d43
SHA1 hash:	cc4059643fd978e38a9b06a95a8bd98f16ef5011
MD5 hash:	e790e17222b7861785fdd90e72bcb7dc
humanhash:	sad-pennsylvania-sweet-emma
File name:	Loader.exe
Download:	download sample
Signature	AokigaharaStealer Create hunting rule
File size:	2'755'952 bytes
First seen:	2026-08-20 20:44:49 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (1'067 x Vidar, 327 x RemusStealer, 132 x Stealc)
ssdeep	49152:HtkxF4vLBs63+reo7zDbkz9BNKxmZ/+y2:Hek3TfwY/+y2
TLSH	T168D55A077E9044E5D0AAE33689A646557B74BC0C8B3133E72EA0BE782F727D19E35B44
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	kejult
Tags:	AokigaharaStealer exe Loader signed stealer

Code Signing Certificate

Organisation:	maweriasd.com
Issuer:	maweriasd.com
Algorithm:	sha256WithRSAEncryption
Valid from:	2026-08-11T13:39:00Z
Valid to:	2027-08-11T13:39:00Z
Serial number:	04a0eb5c6975297c
Thumbprint Algorithm:	SHA256
Thumbprint:	2f8e8f7258daa0482af974fb19d40603dc906e53bbf725eb73b4289788086d88
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

156

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

Loader.exe

Verdict:

Malicious activity

Analysis date:

2026-08-11 14:34:47 UTC

Tags:

ip-check evasion stealer

Link:

https://app.any.run/tasks/dace42da-c572-488c-953f-300790c3d79a

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/82274/

Detection(s):

SecuriteInfo.com.Trojan.Siggen33.34956.29910.12978.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Creating a window

Creating a process with a hidden window

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-vm crypto golang signed

Link:

https://www.filescan.io/uploads/6a876767099a97c449ef3e69/reports/f9caec26-df2c-43db-a4f9-f8f34bad3b66/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/39f366b6e4850cc9b64ff60e643c7c8b4c7df4e4a8f9a601fa829ae1d9861371

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/3d03fb57-0ab9-4d1f-a5fe-5cb55eb94289

Score:

86%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/39f366b6e4850cc9b64ff60e643c7c8b4c7df4e4a8f9a601fa829ae1d9861371

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/e790e17222b7861785fdd90e72bcb7dc

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/39f366b6e4850cc9b64ff60e643c7c8b4c7df4e4a8f9a601fa829ae1d9861371/

Threat name:

Win64.Trojan.Kepavll

Status:

Malicious

First seen:

2026-08-12 00:15:51 UTC

File Type:

PE+ (Exe)

AV detection:

24 of 36 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=hhzwnnxequgmtnsp6yhgipd4rngh35hevd42map2qknodwmgcnyq._file

Verdict:

malicious

Label(s):

AokigaharaStealer

Link:

https://reports.threatray.com/5c7718e9-e8f3-4d8c-bbe5-879571fbb5b3

Result

Malware family:

n/a

Score:

7/10

Tags:

collection credential_access discovery spyware stealer

Link:

https://tria.ge/reports/260820-zjznzavdqe/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

Browser Information Discovery

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

Unpacked files

SH256 hash:

39f366b6e4850cc9b64ff60e643c7c8b4c7df4e4a8f9a601fa829ae1d9861371

MD5 hash:

e790e17222b7861785fdd90e72bcb7dc

SHA1 hash:

cc4059643fd978e38a9b06a95a8bd98f16ef5011

Link:

https://www.unpac.me/results/a5d463e0-7ec8-4ae7-a115-0f8e715575ad/

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/39f366b6e4850cc9b64ff60e643c7c8b4c7df4e4a8f9a601fa829ae1d9861371

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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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_detect_tls_callbacks Create hunting rule

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.