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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38f9a3e2c88b4dbed4e4447ed9c575730f1bbf96447adf4863984aa53717bcb8. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38f9a3e2c88b4dbed4e4447ed9c575730f1bbf96447adf4863984aa53717bcb8
SHA3-384 hash: aa79616147b3852a550842551721b3ccf44c63e4961fcf32c03aa2149dbb28c80dba912a14a20ab6330dcbcf731062eb
SHA1 hash: 8f96dbe50dbdb6e8fecbb3c67328242ace6f8a6c
MD5 hash: aa1445b2fbb12a2ad9b836688ad63048
humanhash: december-bacon-mountain-december
File name:38f9a3e2c88b4dbed4e4447ed9c575730f1bbf96447adf4863984aa53717bcb8.bin
Download: download sample
Signature Vidar
Create hunting rule
File size:102'140'280 bytes
First seen:2026-09-10 09:10:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ebc247a77b4d4a804b261f97a1fd075c (126 x Vidar, 32 x RemusStealer, 26 x Smoke Loader)
ssdeep 3145728:Sq+xsN9b4RYtWgjk3ndU3prLp1ecTEJn1MCArg3wg9qroU:Sq+Wrb41gotU3RPecgJn8rauroU
TLSH T1F32833037FAA71E0E06AD9398577911A6B60BC8D873773A71E907B202F263D05E76F05
TrID 27.0% (.EXE) Win64 Executable (generic) (6522/11/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Anonymous
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac9414bb3f924fbb50afc1a
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
DNS request
Launching a service
Behavior that indicates a threat
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 crypto golang masquerade overlay packed stealer
Link:
https://www.filescan.io/uploads/6aa2740cc6b1cb9042008673/reports/08a216d2-0bf4-40bf-8efb-c365d0932322/overview
Verdict:
Malicious
Labled as:
QD:Trojan.GenericQ
Link:
https://www.hybrid-analysis.com/sample/38f9a3e2c88b4dbed4e4447ed9c575730f1bbf96447adf4863984aa53717bcb8
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-09-07T19:41:00Z UTC
Last seen:
2026-09-11T18:29:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/38f9a3e2c88b4dbed4e4447ed9c575730f1bbf96447adf4863984aa53717bcb8/results?tab=lookup
Score:
45%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/38f9a3e2c88b4dbed4e4447ed9c575730f1bbf96447adf4863984aa53717bcb8
Gathering data
Threat name:
Win64.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-09-08 02:57:22 UTC
File Type:
PE+ (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hd42hywirng35vheir7ntrlvomhrxp4wir5n6sddtbfkknyxxs4a._file
Verdict:
malicious
Label(s):
Vidar
Create hunting rule
Link:
https://reports.threatray.com/d77d8be8-dc5b-4d3d-95d2-66228025ca70
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion
Link:
https://tria.ge/reports/260910-k5cn1atxfy/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Checks for VirtualBox DLLs, possible anti-VM trick
Checks system information in the registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Looks for VirtualBox Guest Additions in registry
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/38f9a3e2c88b/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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Malpedia
Malpedia
https://malpedia.caad.fkie.fraunhofer.de/details/win.vidar

Comments