Analysis
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max time kernel
119s -
max time network
99s -
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, 11:50
Static task
static1
Behavioral task
behavioral1
Sample
c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe
Resource
win10v2004-20241007-en
General
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Target
c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe
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Size
86KB
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MD5
157df6a52bc55280406a737504e28ba3
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SHA1
97fd82d31b617317f6f260c9a0411d0a947b47f3
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SHA256
505fe20c558378fc013bb98ed9e6429f674279b5a9956571a18743751f5b766b
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SHA512
32524f38ad349a09ad0037e2ccdfdcb9dd30edfaa1957a0f80f9010d89b2ba3fb208d86d32a455d5c9fe7125c6a2b71234bb4c8eb4dbaf4e5fb04f06d4147032
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SSDEEP
1536:HAo0zj2d6rnJYulBJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nh:HAoAliulHnJBSX1nV1b1N1Il1k1YFI1u
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1308 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1308 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.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 c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4016 wrote to memory of 1308 4016 c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe 83 PID 4016 wrote to memory of 1308 4016 c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe 83 PID 4016 wrote to memory of 1308 4016 c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe"C:\Users\Admin\AppData\Local\Temp\c9b8e4d60ca3508538d3070fa3b50b71a80ed53d79bd024405aac3b593d5d205N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4016 -
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:1308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
87KB
MD555ee38421b5d11d46d4565c3a76614dd
SHA1f42798a3aa0951e48388d397c74a87e2c0f78a6d
SHA256cc5af48b74bb4dc46bd12c51a12af488aabaf78495881b7348ba875e28fb8bbf
SHA51224cfa313218f39f5ae583c2b539d28d630f4bd0ce6c836594712f8b3607a822d3e642569108a5392c22e1c0519d0396323285b398e1ddfbe361923f170d5629d