MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e. 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: 13

Intelligence 13 IOCs YARA 12 File information Comments

SHA256 hash:	a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e
SHA3-384 hash:	dc39de2cb1235aad2c4da99ffe579b0ac43cf44c779499760cc4807829457f4d665b99b871c5c842c34e4905517918c6
SHA1 hash:	1c893ce9e6d806648b5b5fc479a861b36b67c52a
MD5 hash:	0cb8bf4e98eac3ceaf43e6b2189836ba
humanhash:	alabama-thirteen-enemy-nitrogen
File name:	file
Download:	download sample
Signature	Vidar Create hunting rule
File size:	291'840 bytes
First seen:	2025-11-01 12:29:01 UTC
Last seen:	2025-11-01 14:32:56 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	31e06ec6723bcc3b75c69a4521e4b8f5 (15 x Vidar)
ssdeep	6144:UKbsfCyEXWzOYuth/XkX8fmpoe3Y3wrj4BD9zhP3kF3uJInRwomqj:UKbsq1aONz/QImFjuDDsF+JAwomqj
TLSH	T1C8542326727480B8D38CB47B80B7B4E9CB5AB87B6FD0516B5529DBF9A7F1003890E351
TrID	63.5% (.EXE) UPX compressed Win64 Executable (70117/5/12) 24.5% (.EXE) UPX compressed Win32 Executable (27066/9/6) 4.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.8% (.ICL) Windows Icons Library (generic) (2059/9) 1.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	Bitsight
Tags:	dropped-by-amadey exe fbf543 UPX

Bitsight

url: http://178.16.55.189/files/ale/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) :	291'840 bytes
File size (de-compressed) :	636'928 bytes
Format:	win64/pe
Unpacked file:	33aae69948da0543e1fd4327c33040bf671d7b0b24691e9dc106bd40d8dfc4ce

Intelligence

File Origin

# of uploads :

# of downloads :

111

Origin country :

Vendor Threat Intelligence

Malware family:

vidar

ID:

File name:

_a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e.exe

Verdict:

Malicious activity

Analysis date:

2025-11-01 12:30:04 UTC

Tags:

stealer stealc vidar xor-url generic upx

Link:

https://app.any.run/tasks/1d8e769f-3a67-47ef-b268-3a9506513c57

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/34952/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6905fd2f9942f1282ecb2130

Tags:

emotet cobalt

Result

Verdict:

Clean

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Behavior that indicates a threat

Gathering data

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e

Verdict:

Malicious

File Type:

exe x64

First seen:

2025-11-01T09:42:00Z UTC

Last seen:

2025-11-03T10:28:00Z UTC

Hits:

~100

Detections:

VHO:Trojan-PSW.Win32.Convagent.gen VHO:Trojan.Win32.Sdum.gen VHO:Trojan.Win32.GenericML.xnet UDS:DangerousObject.Multi.Generic

Link:

https://opentip.kaspersky.com/a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/c8d2afdd-f042-4f84-a6a3-2a0161433fe3

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/0cb8bf4e98eac3ceaf43e6b2189836ba

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e/

Verdict:

Malicious

Threat:

Family.STEALC

Link:

https://tip.neiki.dev/file/a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e

Threat name:

Win64.Malware.Heuristic

Status:

Malicious

First seen:

2025-11-01 12:29:35 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=uwin5f7whcos4itrtmmliwqk5kggiztnc666zgswliekdhrvxuxa._file

Result

Malware family:

n/a

Score:

5/10

Tags:

upx

Link:

https://tria.ge/reports/251101-pn52favmhw/

Behaviour

UPX packed file

Unpacked files

SH256 hash:

a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e

MD5 hash:

0cb8bf4e98eac3ceaf43e6b2189836ba

SHA1 hash:

1c893ce9e6d806648b5b5fc479a861b36b67c52a

Link:

https://www.unpac.me/results/2c5e54eb-5306-4743-b70c-c98fc1ede065/

SH256 hash:

33aae69948da0543e1fd4327c33040bf671d7b0b24691e9dc106bd40d8dfc4ce

MD5 hash:

49399934701a452151f942a03694c45f

SHA1 hash:

720f3f1e01e8c6ce78c7610315a5e6374dbad1df

Detections:

SUSP_XORed_URL_In_EXE

Link:

https://www.unpac.me/results/2c5e54eb-5306-4743-b70c-c98fc1ede065/

Parent samples :

a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e
33aae69948da0543e1fd4327c33040bf671d7b0b24691e9dc106bd40d8dfc4ce

Malware family:

Vidar

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a590de97f638/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/a590de97f6389d2e22719b18b45a0aea8c64666d17bdec9a565a08a19e35bd2e

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

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)