MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4. 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 24 File information Comments

SHA256 hash:	8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4
SHA3-384 hash:	49134dd3de805463b06d431c891940c0e8506fa96f1bcb1dbca3d63a785789fa3258b06e1210a01028e632f5ec76f867
SHA1 hash:	1ad216816f246fecf0212d461462715a105a5217
MD5 hash:	2552a14caefeb82fdb93557009d4fccd
humanhash:	music-twelve-pip-leopard
File name:	file
Download:	download sample
Signature	Vidar Create hunting rule
File size:	6'503'424 bytes
First seen:	2026-03-25 10:25:22 UTC
Last seen:	2026-03-25 11:25:15 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	0cf6c829fe1a947ec2ed56cc573f7341 (13 x Vidar)
ssdeep	49152:ZA4Tpe/C9u/T5QWpG8/NPXbzM/cSQ+u11H0Nsc6m9A+F6fRtXe:ZAZtDv0Nnj9VF6fj
TLSH	T17A66396B6254B5ABC54D913ED0A28B03B7F371740B37C6E742E103254AB6AD44E3FB62
TrID	44.5% (.EXE) Win64 Executable (generic) (6522/11/2) 14.1% (.EXE) Win16/32 Executable Delphi generic (2072/23) 13.8% (.EXE) OS/2 Executable (generic) (2029/13) 13.6% (.EXE) Generic Win/DOS Executable (2002/3) 13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
Reporter	Bitsight
Tags:	dropped-by-amadey exe fbf543 vidar

Bitsight

url: http://188.137.249.159/1.exe

Intelligence

File Origin

# of uploads :

# of downloads :

160

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

vidar

ID:

File name:

_8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4.exe

Verdict:

Malicious activity

Analysis date:

2026-03-25 10:27:47 UTC

Tags:

vidar stealer stealc delphi

Link:

https://app.any.run/tasks/29a7a441-9300-41ed-9688-8f7743687653

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Gathering data

Detection(s):

SecuriteInfo.com.Win64.MalwareX-gen.78436487.UNOFFICIAL

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69c3b852390b9964741392c5

Tags:

ransomware small virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Searching for synchronization primitives

Connection attempt

DNS request

Behavior that indicates a threat

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug embarcadero_delphi fingerprint keylogger packed

Link:

https://www.filescan.io/uploads/69c3b84e0ab403384b58633a/reports/9cb67153-ea9f-45f8-9353-34227238c2a3/overview

Verdict:

Malicious

Labled as:

HVM:TrojanDownloader/Lotok.ds

Link:

https://www.hybrid-analysis.com/sample/8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-03-25T07:35:00Z UTC

Last seen:

2026-03-25T09:51:00Z UTC

Hits:

~100

Detections:

Trojan.Win64.Agent.sb Trojan.Win64.Agent.sb.72076437 Trojan.Win64.Agent.smfvdx

Link:

https://opentip.kaspersky.com/8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/469fa12a-2b60-4def-8508-801319464893

Score:

80%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/2552a14caefeb82fdb93557009d4fccd

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4/

Verdict:

Malicious

Threat:

Family.VIDAR

Link:

https://tip.neiki.dev/file/8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4

Threat name:

Win64.Trojan.Egairtigado

Status:

Malicious

First seen:

2026-03-25 10:26:28 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qzq4ptije3miyw422xxklozdexdmqm5fqjvqrvun367y2bizydca._file

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar botnet:d42c87a43c34a896249c7907eb2c4c26 collection credential_access defense_evasion discovery evasion execution persistence spyware stealer themida trojan

Link:

https://tria.ge/reports/260325-mgpd1aax4k/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

outlook_office_path

outlook_win_path

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Browser Information Discovery

System Location Discovery: System Language Discovery

System Time Discovery

Drops file in Program Files directory

Drops file in Windows directory

Launches sc.exe

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Checks whether UAC is enabled

Modifies Security services

Power Settings

Checks BIOS information in registry

Creates new service(s)

Executes dropped EXE

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Stops running service(s)

Themida packer

Unsecured Credentials: Credentials In Files

Command and Scripting Interpreter: PowerShell

Downloads MZ/PE file

Drops file in Drivers directory

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Detects Vidar Stealer

Modifies Windows Defender DisableAntiSpyware settings

Modifies Windows Defender Real-time Protection settings

Modifies Windows Defender notification settings

Modifies security service

Suspicious use of NtCreateUserProcessOtherParentProcess

Vidar

Vidar family

Malware Config

C2 Extraction:

https://telegram.me/t22see
https://steamcommunity.com/profiles/76561198727080522

Unpacked files

SH256 hash:

8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4

MD5 hash:

2552a14caefeb82fdb93557009d4fccd

SHA1 hash:

1ad216816f246fecf0212d461462715a105a5217

Link:

https://www.unpac.me/results/b0506171-adf0-4e74-b5e2-cc34f98e913a/

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8661c7cd0926/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/8661c7cd0926d88c5b9ad5eea5bb2325c6c833a5826b08d68ddfbf8d0519c0c4

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:	Borland Create hunting rule
Author:	malware-lu

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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

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)

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

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.