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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06/04/2024, 21:42
Static task
static1
Behavioral task
behavioral1
Sample
632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe
Resource
win10v2004-20240226-en
General
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Target
632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe
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Size
94KB
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MD5
31840277debf80145d774069fb81059b
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SHA1
30c611d7c77849527d1c5350749060c3ad6ba3e2
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SHA256
632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b
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SHA512
11cc6f0e5bcfa2c571c2556b8ea6e95dfc50cd3cd8f6b32be12fcb185a8077bcdb038d1e6b87e809d9ab010ea3c9e2f4037653303ab533590f28cfb8466a3f85
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SSDEEP
1536:/Ao0+j2d6rnJqlIUSJn3m2GnNCyuaMeFg8kVQ+SvMupWsZZZNF01Lryhv1g1s1EY:/AoVl4lXin3m2GnNCyuaMeFg8kVQ+Svf
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2212 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2212 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3264 wrote to memory of 2212 3264 632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe 85 PID 3264 wrote to memory of 2212 3264 632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe 85 PID 3264 wrote to memory of 2212 3264 632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe"C:\Users\Admin\AppData\Local\Temp\632f3be52177e4af973da008764aafea7e2f574e03f7bfbe819e6d71e4d1fb8b.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2212
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
94KB
MD597bcb74added632dd8bab0c9054acfb4
SHA1563444c17bd5257f2659f17eaf73f6a9e84c29c7
SHA25623edf1c911b190d1a4b31154c9cc0843073ce3149c47d4ce6cdc1066819426dc
SHA512f179f36e300e099a5bbcc76443fdd3a33408e143647c5d8f7fabbf527e518f5910ecd1c915928d81b61dcc16f61d52e52f64e274866ea64d9f3d6e410981c137