MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd. 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

Vidar

Vendor detections: 15

Intelligence 15 IOCs YARA 20 File information Comments

SHA256 hash:	ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd
SHA3-384 hash:	5f0eccc4d8e9ccf7bb787640f38a76906c681d8784e2132d322c8fc094a0b0612522b9bfdc58871d2d0687fe9c029ac9
SHA1 hash:	f88feab7ef25e79712839093fdfe3f4dad207da5
MD5 hash:	8ba608a4387e67dfd407e07bf04c83f2
humanhash:	mountain-golf-princess-iowa
File name:	setup-1.5.exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	3'142'144 bytes
First seen:	2026-06-25 06:07:27 UTC
Last seen:	2026-06-25 10:45:29 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (497 x Vidar, 97 x Stealc, 92 x Rhadamanthys)
ssdeep	24576:02W3Vs3m4e+xeJDIEWiX9TMt9Q9j+otBclY3ilEEsWy3+SXtxzBele5rK2mM48FM:02Wls24e9JsENBM+zqpa3543
Threatray	62 similar samples on MalwareBazaar
TLSH	T1B2E5AE1B7C9048F9D8AA573998B661857B78BC050B7613CB2E94B3782F723D0BD79B04
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
dhash icon	f0ccf0d8dcf0e8f0 (1 x Vidar)
Reporter	abuse_ch
Tags:	de-pumped exe vidar

Intelligence

File Origin

# of uploads :

# of downloads :

152

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

vidar

ID:

File name:

_ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd.exe

Verdict:

Malicious activity

Analysis date:

2026-06-25 06:08:37 UTC

Tags:

stealer stealc vidar golang

Link:

https://app.any.run/tasks/55f33717-c936-4a30-a5b8-6abef8b7765f

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/71896/

Detection(s):

SecuriteInfo.com.Win64.Evo-gen.48395294.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a3cc5b186bc95245bf955ca

Tags:

virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm crypto golang packed

Link:

https://www.filescan.io/uploads/6a3cc5aa90632a45f73a21f8/reports/626c9dbc-99a5-4d26-bf05-e5d2f6501ef2/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-06-25T03:02:00Z UTC

Last seen:

2026-06-25T03:07:00Z UTC

Hits:

~10

Detections:

Trojan.Win64.Agent.sb Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen

Link:

https://opentip.kaspersky.com/ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/bd0880ec-5815-4d6f-b87c-174093349362

Result

Threat name:

Vidar

Detection:

malicious

Classification:

troj.spyw.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1933536

Signature

C2 URLs / IPs found in malware configuration

Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)

Found malware configuration

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

Hides threads from debuggers

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Potentially malicious time measurement code found

Suricata IDS alerts for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

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)

Unusual module load detection (module proxying)

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

96%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/8ba608a4387e67dfd407e07bf04c83f2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd/

Verdict:

Malicious

Threat:

Family.STEALC

Link:

https://tip.neiki.dev/file/ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd

Threat name:

Win64.Trojan.Vidar

Status:

Malicious

First seen:

2026-06-25 06:08:39 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

9 of 36 (25.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vqne3crmfp4rw5oeyfzues2lcqxpfgvhgvxotyc7aq7e7lvlstoq._file

Verdict:

malicious

Label(s):

vidar

Result

Malware family:

n/a

Score:

7/10

Tags:

credential_access discovery spyware stealer

Link:

https://tria.ge/reports/260625-gvmvfahy6n/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Browser Information Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks installed software on the system

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:

ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd

MD5 hash:

8ba608a4387e67dfd407e07bf04c83f2

SHA1 hash:

f88feab7ef25e79712839093fdfe3f4dad207da5

Link:

https://www.unpac.me/results/70407ea9-19f6-431c-a844-14066b49deba/

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ac1a4d8a2c2b/report/overview.html

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

Threat name:

Suspicious File

Score:

0.30

Link:

https://yomi.yoroi.company/submissions/ac1a4d8a2c2bf91b75c4c173424b4b142ef29aa7356ee9e05f043e4faeab94dd

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

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:	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/