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Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
07/04/2024, 18:18
Static task
static1
Behavioral task
behavioral1
Sample
06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe
Resource
win10v2004-20240226-en
General
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Target
06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe
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Size
80KB
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MD5
e2ad66d8046b31a89df4995ecb88a3ae
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SHA1
9919a309f9368312135ae6d59c55e4e828cffee3
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SHA256
06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f
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SHA512
a467843faf00652fbf82c72210c4ef838b687c8ba4e577141cba882bc36fc72182e8456ae97265a529eb978a4a3ff1f73e2073c7501c60094cf273944c57e908
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SSDEEP
1536:YAowfUJFgjT284U+w2EwRz6OlvaeEpIaCtwUaSvcmGCCCCCHCChCHCCCdg1WCCCe:YAowyFgjTiUkEwt6OlvaeEpIaCtwUaSh
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2740 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2740 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2356 wrote to memory of 2740 2356 06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe 28 PID 2356 wrote to memory of 2740 2356 06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe 28 PID 2356 wrote to memory of 2740 2356 06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe 28 PID 2356 wrote to memory of 2740 2356 06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe"C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2740
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD5a46b4792b18551b4e1314d7baae2daf0
SHA178ccb067b4e2d3004f81f4086f324caee54fe07d
SHA25616a6af0747f571d83b643f4794e624dcec3bfe8d134333e9e9201eaa5e350fee
SHA512109692607f4594826647cbddfa8059a36320fc5051127ded8a357c6ec8ce8e511109cacb0a538ba28558aa23245526d7a0e699de266a3484d15ca5a1d57ed25c