7c60052b0bb6adc6fff7db45f42ca05197fbad034bfb8309b3a6404160dcc983

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21/05/2024, 05:58

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General

Target

dmusic.dll
Size

107KB
MD5

3d9e3eec4c34213a2dd55d8d36d3107c
SHA1

fe42f6c87167921ede7bc30a3ac3eb515e1642cd
SHA256

7c60052b0bb6adc6fff7db45f42ca05197fbad034bfb8309b3a6404160dcc983
SHA512

56f31b4fde9e18a866cadb2846a4511c50577fca04913c86d5d5f5136799efe559fb24b280e90723918e4e94d5c3d80b9558d254602cf9e418d1bece445057d8
SSDEEP

1536:HoCgKvD5sjmqsZDM4APChsI6m1hsaI50+ytF3q67TvPW6jlCZT:ICnDqjzx86m16aI50nza67THW6JCZT

Score

1^/10

Malware Config

Signatures

Modifies registry class 25 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusic\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{636B9F10-0C7D-11D1-95B2-0020AFDC7421}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{636B9F10-0C7D-11D1-95B2-0020AFDC7421}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{636B9F10-0C7D-11D1-95B2-0020AFDC7421}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusicCollection	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusicCollection.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusic	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusic\CurVer\ = "Microsoft.DirectMusic.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{480FF4B0-28B2-11D1-BEF7-00C04FBF8FEF}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusic.1\ = "DirectMusic"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusicCollection\CurVer\ = "Microsoft.DirectMusicCollection.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusicCollection.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusicCollection.1\ = "DirectMusicCollection"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{480FF4B0-28B2-11D1-BEF7-00C04FBF8FEF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{480FF4B0-28B2-11D1-BEF7-00C04FBF8FEF}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusicCollection\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusic\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusic.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{480FF4B0-28B2-11D1-BEF7-00C04FBF8FEF}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusic\ = "DirectMusic"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusic.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{636B9F10-0C7D-11D1-95B2-0020AFDC7421}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusicCollection\ = "DirectMusicCollection"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.DirectMusicCollection\CurVer	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 408	2900	regsvr32.exe	90
PID 2900 wrote to memory of 408	2900	regsvr32.exe	90
PID 2900 wrote to memory of 408	2900	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dmusic.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dmusic.dll
  2⤵
  - Modifies registry class
  PID:408

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4440,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:8
1⤵
PID:880

Analysis

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Malware Config

Signatures

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Network

MITRE ATT&CK Matrix

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