MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3. 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: 13

Intelligence 13 IOCs YARA 15 File information Comments

SHA256 hash:	ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3
SHA3-384 hash:	22d0616638684fe67d495d77dade4f6e852bd8e71b038260a7c7574eb2feccc1c7c044fe925389b5efad27c5d3f65d4c
SHA1 hash:	4e5ce728423600e86a37af7ae48c1b3710906981
MD5 hash:	4a297bce61aaa3b15d5bcfc532fa6db4
humanhash:	oscar-carpet-sweet-north
File name:	file
Download:	download sample
Signature	Amadey Create hunting rule
File size:	219'648 bytes
First seen:	2026-03-06 11:39:44 UTC
Last seen:	2026-03-06 12:05:54 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	ee53c10aff1d01eafea53328179e33a2 (41 x Vidar, 1 x XenoRAT, 1 x Smoke Loader)
ssdeep	6144:DzpZjyqgdX/w7drhQZXveORMOqHa02FDz4+7cj:Dzf7gdPw7drSF3tq63G+g
TLSH	T11A24226301922667E52298741CD5470875E3DE7FE2A02005D2F776172E1F3EBEFAB289
TrID	60.0% (.EXE) UPX compressed Win64 Executable (70117/5/12) 23.1% (.EXE) UPX compressed Win32 Executable (27066/9/6) 5.5% (.EXE) Win64 Executable (generic) (6522/11/2) 4.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.7% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
Reporter	Bitsight
Tags:	Amadey dropped-by-amadey exe fbf543 UPX

Bitsight

url: http://158.94.211.222/vidar/random.exe

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	219'648 bytes
File size (de-compressed) :	629'760 bytes
Format:	win64/pe
Unpacked file:	5b081ebb7a5e17b31d750cccec654f0b075a7a405c51baf3a2329f54549b05c9

Intelligence

File Origin

# of uploads :

# of downloads :

295

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

PEPacker Vidar

Details

PEPacker

a UPX version number and an unpacked binary

Vidar

c2 urls, useragents, c2 handshake magic parameters, a version, and a missionid

Link:

https://research.acce.ciphertechsolutions.com/results/9a0005e0-1060-4085-87de-44801c290d5e/

Malware family:

n/a

ID:

File name:

http://130.12.180.43/vidar/random.exe

Verdict:

No threats detected

Analysis date:

2026-02-27 15:15:39 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/2748ff56-a290-4e51-bfed-d3ae68cf1eff

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/55800/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Vidar.347.5196.23735.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69aabd29002d37d5c984a46a

Tags:

ransomware obfuscated virus

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug fingerprint packed packed packed upx vidar zusy

Link:

https://www.filescan.io/uploads/69aabd279eaae84659445387/reports/16e9c46f-2bf5-4634-870f-81f9835ed843/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3

Verdict:

Malicious

File Type:

exe x64

Link:

https://opentip.kaspersky.com/ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/947bcc14-bb9c-4a33-8e9e-b9d5d3dd2e1f

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3/

Verdict:

Malicious

Threat:

Family.STEALC

Link:

https://tip.neiki.dev/file/ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3

Threat name:

Win64.Spyware.Vidar

Status:

Malicious

First seen:

2026-02-27 16:52:49 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vnfjfmnu7ubsbz5bgum4rqvy7kfifdwfnw2sqzg5odoeqbqwaszq._file

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar stealer upx

Link:

https://tria.ge/reports/260306-ns2n5sdt8q/

Behaviour

UPX packed file

Detects Vidar Stealer

Vidar

Vidar family

Unpacked files

SH256 hash:

ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3

MD5 hash:

4a297bce61aaa3b15d5bcfc532fa6db4

SHA1 hash:

4e5ce728423600e86a37af7ae48c1b3710906981

Link:

https://www.unpac.me/results/9fe7e837-47d3-4da3-ad18-4d6a21bd620e/

SH256 hash:

5b081ebb7a5e17b31d750cccec654f0b075a7a405c51baf3a2329f54549b05c9

MD5 hash:

e760898856e6913a5afc4dd8fb3c5678

SHA1 hash:

d58a6b5f0d21009452c81fa94e532b4ee1714329

Detections:

SUSP_XORed_URL_In_EXE

SUSP_XORed_Mozilla

Link:

https://www.unpac.me/results/9fe7e837-47d3-4da3-ad18-4d6a21bd620e/

Parent samples :

5b081ebb7a5e17b31d750cccec654f0b075a7a405c51baf3a2329f54549b05c9
ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3

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

Threat name:

Red Alert

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ab4a92b1b4fd0320e7a13519c8c2b8fa8a828ec56db52864dd70dc48061604b3

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

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	SUSP_XORed_Mozilla_Oct19 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:	https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()

Rule name:	SUSP_XORed_Mozilla_RID2DB4 Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed keyword - Mozilla/5.0
Reference:	Internal Research

Rule name:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	SUSP_XORed_URL_in_EXE_RID2E46 Create hunting rule
Author:	Florian Roth
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

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)