MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b98b662d81cc24ea59611e4f1d8a53445d44123a9cd0571e4615ed7fab99f387. 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

Amadey

Vendor detections: 9

Intelligence 9 IOCs YARA 25 File information Comments

SHA256 hash:	b98b662d81cc24ea59611e4f1d8a53445d44123a9cd0571e4615ed7fab99f387
SHA3-384 hash:	991c3c092810a93bddb5f7856a00f54c6649d7bd1d4d160aa578450c2faae791f8a7d23bdc7bdb5d6749d47d08595d61
SHA1 hash:	67abb597de5a11ab9e37b71e5aa6e0c8dd71b6c2
MD5 hash:	5f1ad9a8d80804ebca0fabd3aff355e7
humanhash:	wyoming-utah-don-may
File name:	Win64 - LetsPro-A.msi
Download:	download sample
Signature	Amadey Create hunting rule
File size:	79'894'016 bytes
First seen:	2025-10-04 13:40:41 UTC
Last seen:	Never
File type:	msi
MIME type:	application/x-msi
ssdeep	1572864:UJ1HSHwSm3J1HSHwSmr+VqYRWiEhy+Vj+VFEeSjLEO8ZzZJTJRpHENzb9oQQjk8u:0+NWXy+V+DUEO8ZdJTJRMZ4Khr
TLSH	T1C6080120725FC536E96B01B1592CEEAED03C6E621BB084E773FC7A5A5A710C21637E17
TrID	53.7% (.MST) Windows SDK Setup Transform script (61000/1/5) 39.2% (.MSP) Windows Installer Patch (44509/10/5) 7.0% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika	msi
Reporter	aachum
Tags:	111-92-240-202 Amadey CHN msi

iamaachum

https://letsvpn.hot/ => https://mm99.cool/letsvpn.zip

Intelligence

File Origin

# of uploads :

# of downloads :

128

Origin country :

Vendor Threat Intelligence

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68e1241ed707128ed1ec3967

Tags:

virus blic

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

amadey anti-vm anti-vm cmd expand fingerprint lolbin msiexec obfuscated oct remote runonce threat wix

Link:

https://www.filescan.io/uploads/68e1245c5a3bccf09eb7a647/reports/754b543c-a46e-43b2-b724-d1dd6e33949b/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/b98b662d81cc24ea59611e4f1d8a53445d44123a9cd0571e4615ed7fab99f387

Verdict:

Adware

File Type:

msi

First seen:

2025-10-04T15:50:00Z UTC

Last seen:

2025-10-05T14:54:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b98b662d81cc24ea59611e4f1d8a53445d44123a9cd0571e4615ed7fab99f387/results?tab=lookup

Result

Threat name:

n/a

Detection:

malicious

Classification:

spre.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1789191

Signature

Detected unpacking (creates a PE file in dynamic memory)

Drops password protected ZIP file

Dynamically executes visual basic script code

Hides threads from debuggers

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Overwrites code with unconditional jumps - possibly settings hooks in foreign process

PE file has a writeable .text section

Query firmware table information (likely to detect VMs)

Switches to a custom stack to bypass stack traces

Tries to detect virtualization through RDTSC time measurements

Tries to evade analysis by execution special instruction (VM detection)

Yara detected JS Obfuscator Generic

Behaviour

Behavior Graph:

Download SVG

Score:

96%

Verdict:

Malware

File Type:

Result

Malware family:

n/a

Score:

6/10

Tags:

discovery

Link:

https://tria.ge/reports/251004-qzlbvaszax/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Loads dropped DLL

Enumerates connected drives

Verdict:

Suspicious

Tags:

cryptojacking

YARA:

crypto_jacking_signatures

Link:

https://app.threat.zone/submission/028894ef-5182-4f06-b337-3a5acf7c5239

Malware family:

KrBanker

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b98b662d81cc/report/overview.html

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

Rule name:	botnet_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

Rule name:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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:	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:	Detect_MSI_LATAM_Banker_From_LatAm Create hunting rule

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

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

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

Rule name:	LinuxAESDDoS Create hunting rule

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

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

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

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

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

Rule name:	win_amadey_bytecodes_oct_2023 Create hunting rule
Author:	Matthew @ Embee_Research

File information

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

Web download

Amadey

msi b98b662d81cc24ea59611e4f1d8a53445d44123a9cd0571e4615ed7fab99f387

(this sample)

Link

https://tria.ge/251004-qlvncsdm21/behavioral2

Delivery method

Distributed via web download

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