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Analysis
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max time kernel
149s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
28/05/2024, 03:21
Static task
static1
Behavioral task
behavioral1
Sample
d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe
Resource
win10v2004-20240508-en
General
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Target
d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe
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Size
34KB
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MD5
4f32dab7b1860b99082b1d683a72995d
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SHA1
e3c17e49fd629a3b16d700442e1c63e4c2c305e6
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SHA256
d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0
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SHA512
ab7c3a899026d65dc95cc180a9b9e3e0ce75bf558fed0467dab63b4fbf6363931f4db9a99712997cf20babca3eae0e1df36b7d5b7b6bd2dc6c05b386d3e233f9
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhI:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYo
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 892 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 892 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3044 wrote to memory of 892 3044 d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe 92 PID 3044 wrote to memory of 892 3044 d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe 92 PID 3044 wrote to memory of 892 3044 d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe"C:\Users\Admin\AppData\Local\Temp\d1c541fef70c43fb1654437bcb946c981ef1c02f27817783396876431ec03cf0.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:892
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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=4196,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:81⤵PID:2020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34KB
MD5d0c75fabedaac4a1db381c1233784c24
SHA1f283edeaee7b729a73255863fd73a25a5c649735
SHA2564d8263c2cf4e8f7e5f59b08c38c23c4d7ee813bc249d73588eeaf7d0b8513e42
SHA512a8cfecdec84d26a056bac041674dd0822e8e0f6ed8b294499ff4cb416262b028dcb9580a76dcb23da1b4aa54f7720320dd8d02d9dad1faa61d4ce5d6dc4a19fb