MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b3eb57f077a05824b98d8afb24d47514dc5d99ddc392f910b1db45ceed26ee8. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments

SHA256 hash: 3b3eb57f077a05824b98d8afb24d47514dc5d99ddc392f910b1db45ceed26ee8
SHA3-384 hash: cc745c1a8aba3166668928161a9dcdfbdbdf9b1f2e26bb648b87f4fa608a3e7183d9a7c393648924d63f0b3c09877908
SHA1 hash: 16f0a1cc5f1e5a6c8915db2032625fe190c4263a
MD5 hash: fb05297e4cab16a5f44cf4d1cee31857
humanhash: double-fourteen-nebraska-fillet
File name:libwinpthread-1.dll
Download: download sample
Signature Vidar
File size:12'943'872 bytes
First seen:2026-04-01 11:00:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3212c1692006ef4bc28b91564c2d6edd (1 x Vidar)
ssdeep 196608:RqSC6WsiW7lxMkyhSw0jhTTY1Jsys1Xi5RHIwqS09SjaMjme:RqSCDsiWHYhP4Q1J6i5RoS09+rm
TLSH T1F0D6AF18A3E404A5D42BCB38CB65C333DAB57DA25676C10F065DF7821F77A628B2F621
TrID 70.9% (.EXE) InstallShield setup (43053/19/16)
10.7% (.EXE) Win64 Executable (generic) (6522/11/2)
8.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.3% (.EXE) OS/2 Executable (generic) (2029/13)
3.3% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Alex_sev
Tags:Aotera DllHijacking exe vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
AU AU
Vendor Threat Intelligence
Gathering data
Malware family:
ID:
1
File name:
libwinpthread-1.dll
Verdict:
Malicious activity
Analysis date:
2026-04-01 11:01:59 UTC
Tags:
vidar stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
99.1%
Tags:
virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug crypto masquerade microsoft_visual_cc packed unsafe vidar
Result
Gathering data
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-01-14T16:13:00Z UTC
Last seen:
2026-01-15T11:11:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.DllHijacking.mq Trojan.Win64.Agent.sba
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Trojan.Win64.DllHijacking
Threat name:
Win64.Trojan.Aotera
Status:
Malicious
First seen:
2026-01-14 22:31:11 UTC
File Type:
PE+ (Dll)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:6c86684b8d026fa69e69ccdc49341907 stealer
Behaviour
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Detects Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://telegram.me/v11kng
https://steamcommunity.com/profiles/76561198748625465
Unpacked files
SH256 hash:
3b3eb57f077a05824b98d8afb24d47514dc5d99ddc392f910b1db45ceed26ee8
MD5 hash:
fb05297e4cab16a5f44cf4d1cee31857
SHA1 hash:
16f0a1cc5f1e5a6c8915db2032625fe190c4263a
Malware family:
QuirkyLoader
Verdict:
Malicious
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
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/

File information


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

Comments