MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac1f8b34486eabbb9ae6c3880a4b57dbf044cbfcc7f103ab3c93ed4f26285c3b. 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

OverlordRAT

Vendor detections: 6

Intelligence 6 IOCs YARA 65 File information Comments

SHA256 hash:	ac1f8b34486eabbb9ae6c3880a4b57dbf044cbfcc7f103ab3c93ed4f26285c3b
SHA3-384 hash:	c55b720658b9659f655673ae9489738c47e4967da45d75fca458fbcdbdf013d4f79b29349af3c7fe34c25309843d1c64
SHA1 hash:	f5d7af12fce73bee5c05d02fac6b2f3b26363134
MD5 hash:	8d6c14f5304f7882d5280a39595ef5a6
humanhash:	edward-wyoming-butter-indigo
File name:	file
Download:	download sample
Signature	OverlordRAT Create hunting rule
File size:	66'201'030 bytes
First seen:	2026-08-22 08:56:55 UTC
Last seen:	2026-08-22 09:07:41 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	4d0fb8dc9ee470058274f448bebbb85f (5 x ChromElevator, 4 x NodeLoader, 3 x Rhadamanthys)
ssdeep	786432:YMguj8Q4VfvOqFTrYfkdbsgQTuBEoyiuuXaYz3sGalWHMzFBqKawE4kN05R0o:YiAQIHOkHnHOmyibXaY7JaQspcwIOko
TLSH	T12BE7DF1773E60095E9B7D2388AA75507D773B8634331CADF329D06152FABAD09A3E720
TrID	51.9% (.EXE) Win64 Executable (generic) (6522/11/2) 16.1% (.EXE) OS/2 Executable (generic) (2029/13) 15.9% (.EXE) Generic Win/DOS Executable (2002/3) 15.9% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
dhash icon	f89efcf8f971f2e0 (10 x NodeLoader, 9 x FixStealer, 6 x Amadey)
Reporter	Bitsight
Tags:	54e64e dropped-by-amadey exe OverlordRAT

Bitsight

url: http://91.92.242.236/files-129312398/files/file_4ce19bfafe018ff9.exe

Intelligence

File Origin

# of uploads :

# of downloads :

199

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/fb102481-30bd-4658-9a47-b739f32be0fc/

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a file

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Сreating synchronization primitives

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

adaptive-context adaptive-context anti-debug base64 crypto expand fingerprint installer-heuristic lolbin microsoft_visual_cc obfuscated overlay packed packed packed pkg reconnaissance

Link:

https://www.filescan.io/uploads/6a896474669c791cd9683dc3/reports/c2e9e467-2040-4b70-938e-4340f282c1ab/overview

Verdict:

Suspicious

Link:

https://www.hybrid-analysis.com/sample/ac1f8b34486eabbb9ae6c3880a4b57dbf044cbfcc7f103ab3c93ed4f26285c3b

Score:

78%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ac1f8b34486eabbb9ae6c3880a4b57dbf044cbfcc7f103ab3c93ed4f26285c3b

Gathering data

Threat name:

Win64.Trojan.Generic

Status:

Suspicious

First seen:

2026-08-22 08:58:26 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vqpywncin2v3xgxgyoeaus2x3pyejs74y7yqhkz4spwu6jrilq5q._file

Result

Malware family:

overlord

Score:

10/10

Tags:

family:overlord defense_evasion persistence rat spyware trojan

Link:

https://tria.ge/reports/260822-kwtk6asgng/

Behaviour

Checks processor information in registry

Modifies registry class

Modifies system certificate store

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Modifies trusted root certificate store through registry

Executes dropped EXE

Loads dropped DLL

Registers new Windows logon scripts automatically executed at logon.

Detects Overlord RAT

Family: Overlord

Malware Config

C2 Extraction:

mypamella.xyz

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:	ach_202409_html_FedEx_phish Create hunting rule
Author:	abuse.ch
Description:	Detects potential HTML FedEx phishing forms

Rule name:	APT_Bitter_ZxxZ_Downloader Create hunting rule
Author:	SECUINFRA Falcon Team (@SI_FalconTeam)
Description:	Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:	https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh

Rule name:	attack_India Create hunting rule

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

Rule name:	Check_Debugger Create hunting rule

Rule name:	Check_OutputDebugStringA_iat Create hunting rule

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

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

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

Rule name:	dgaaga Create hunting rule
Author:	Harshit
Description:	Detects suspicious PowerShell or registry activity

Rule name:	EXE_Unknown_Byakugan_April2024 Create hunting rule
Author:	Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

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

Rule name:	Glasses Create hunting rule
Author:	Seth Hardy
Description:	Glasses family

Rule name:	GlassesCode Create hunting rule
Author:	Seth Hardy
Description:	Glasses code features

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

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_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:	Go_Malware_Yamux_Variant Create hunting rule
Author:	Gemini
Description:	Detects a specific Go-based malware variant using the yamux library, with shared strings and constants across x86 and ARM architectures.

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

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:	ldpreload Create hunting rule
Author:	xorseed
Reference:	https://stuff.rop.io/

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

Rule name:	Mimikatz_Generic Create hunting rule
Author:	Still
Description:	attempts to match all variants of Mimikatz

Rule name:	pe_detect_tls_callbacks Create hunting rule

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:	ReflectiveLoader Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:	Internal Research

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:	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:	skip20_sqllang_hook Create hunting rule
Author:	Mathieu Tartare <mathieu.tartare@eset.com>
Description:	YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:	https://www.welivesecurity.com/

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

Rule name:	SUSP_XORed_MSDOS_Stub_Message Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed MSDOS stub message
Reference:	https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings

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:	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:	upxHook Create hunting rule
Author:	@r3dbU7z
Description:	Detect artifacts from 'upxHook' - modification of UPX packer
Reference:	https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

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

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

Rule name:	WarpStrings Create hunting rule
Author:	Seth Hardy
Description:	Warp Identifying Strings

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

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

Rule name:	WIN_ClickFix_Detection Create hunting rule
Author:	dogsafetyforeverone
Description:	Detects ClickFix social engineering technique using 'Verify you are human' messages and malicious PowerShell commands
Reference:	ClickFix social engineering and malicious PowerShell commands

Rule name:	Win_FakeInstaller_PythonShellcodeLoader_Crepectl_2026 Create hunting rule
Author:	SixHands
Description:	Detects the analyzed fake installer sample using .key config, XOR key, and Python/fiber shellcode loader traits

Rule name:	WIN_WebSocket_Base64_C2_20250726 Create hunting rule
Author:	dogsafetyforeverone
Description:	Detects configuration strings used by malware to specify WebSocket command-and-control endpoints inside Base64-encoded data. It looks for prefixes such as '#ws://' or '#wss://' that were found in QuasarRAT configuration data.

Rule name:	without_attachments Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the no presence of any attachment
Reference:	http://laboratorio.blogs.hispasec.com/

Rule name:	with_urls Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the presence of an or several urls
Reference:	http://laboratorio.blogs.hispasec.com/

File information

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

Web download

OverlordRAT

exe ac1f8b34486eabbb9ae6c3880a4b57dbf044cbfcc7f103ab3c93ed4f26285c3b

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3906755/

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