Analysis
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max time kernel
119s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 14:10
Static task
static1
Behavioral task
behavioral1
Sample
ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe
Resource
win10v2004-20241007-en
General
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Target
ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe
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Size
68KB
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MD5
1a0a6fcb1995fa0c7f8510e6ef65936e
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SHA1
d112b9850653162d361fe8554254f4cfbdba5c58
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SHA256
ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb
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SHA512
c9785d13e6b82e1fb49609d219f0e55fdd8b30a26ee1ff4c1fccf9a1c58ba058326d4a71ad1ba4793de3fd20324a7d8ce664b0fb7f23de9f3106007e63b0903f
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SSDEEP
1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyh6:NAoglOwvl4ulkP6vghzwYu7vih9GueIF
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2148 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2148 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3272 wrote to memory of 2148 3272 ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe 83 PID 3272 wrote to memory of 2148 3272 ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe 83 PID 3272 wrote to memory of 2148 3272 ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe"C:\Users\Admin\AppData\Local\Temp\ea35ea80dd0d5b93a0b71b5b5a62b79a134a9cd22c5f015b63d5e1eb02e7d5bb.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2148
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
68KB
MD5ebd7e248522026a7cef46c808fd8f106
SHA19361dad3b4398a1eba142c22d1b329d3fb2de8a8
SHA25666220d9ddbc3ec562f35039b0fba65393fbfb42e2a7c6eff0a10a3c38d7244ef
SHA51243e5a7401fa6bf07015a220044a2dd5920618d707401c18e41c145a5a290f675c5d0d882a8fb90507ea45a2e4132eff2390cf8102e580bddc67347c28f369cf4