The winmm64 dll File Malware Analysis

The winmm64.dll File Analysis

Updated 1 month ago

Checked by Malaware Check

winmm64.dll

Hash Type	Value	Action
MD5	6ff8529a8d5e1564dee532dc0d43faa4
SHA1	c7e53d6e67e8b6aa718e76a0d4e5ae68717323ff
SHA256	bfb385ed30eead316bf65187ab5105392efc4e894b4d6a79adea74db39a73523
SHA512	530e87fd40948d1a2c0bd8a5dcdbb7c21412d9d65e1633fa4e69c397c5c55951b53980f9e343a69b0808e5b4b9ee40b18e849b88db66a9069c5924200044338e
ImpHash	81c097a53950303811dd3880f78664a9

Hash Type

Value

Action

MD5

6ff8529a8d5e1564dee532dc0d43faa4

SHA1

c7e53d6e67e8b6aa718e76a0d4e5ae68717323ff

SHA256

bfb385ed30eead316bf65187ab5105392efc4e894b4d6a79adea74db39a73523

SHA512

530e87fd40948d1a2c0bd8a5dcdbb7c21412d9d65e1633fa4e69c397c5c55951b53980f9e343a69b0808e5b4b9ee40b18e849b88db66a9069c5924200044338e

ImpHash

81c097a53950303811dd3880f78664a9

PE Analysis

Basic Information

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Image Base	`0x180000000`
Entry Point	`0x18000d120`
Compilation Time	2025-01-16 11:54:28
Checksum	0x00000000 (Actual: 0x0000fecc)
OS Version	6.0
PEiD Signatures	`PE32+ executable (DLL) (console) x86-64, for MS Windows`
Digital Signature	No valid SignedData structure was found.
Imports	8 libraries api-ms-win-crt-heap-l1-1-0, api-ms-win-crt-runtime-l1-1-0, api-ms-win-crt-string-l1-1-0, KERNEL32, MSVCP140, SHLWAPI, VCRUNTIME140, VCRUNTIME140_1
Exports	181 functions
Resources	1 Resources
Sections	3 Sections

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`UPX0`	`0x00001000`	40,960 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_UNINITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`D41D8CD98F00B204E9800998ECF8427E`
`UPX1`	`0x0000b000`	12,288 bytes	9,728 bytes	7.63 (Packed/Encrypted)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`6E33014B2103EC5A3D510B679E6AB35B`
`.rsrc`	`0x0000e000`	8,192 bytes	6,144 bytes	5.21 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`82A0BA24A3B7349EE4224AA83B0D5DD1`

Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

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Total Resources: 1 (381 bytes)

Resource Type	Count	Total Size	Percentage
RT_MANIFEST	1	381 bytes	100%

Certificate Chain Analysis

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No Digital Signatures

This file is not digitally signed.

Security Implications:

Cannot verify the publisher's identity
Increased security risk when running this file
May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Keep Your System Protected

This file appears clean, but regular security maintenance is important

Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
Email Security: Be cautious with email attachments and links, even from known contacts.

Proactive Protection

This file passed all security checks, but stay vigilant. New malware variants appear daily that can evade detection. Always verify files come from official sources and check digital signatures when available.

File Name	winmm64.dll
File Type	PE32+ executable (DLL) (console) x86-64, for MS Windows
Scanner Version	1.0.213.174
Database Version	2025-04-15 01:00:28 UTC

The winmm64.dll File Analysis

Technical Analysis

Clean File

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File Identification