Analysis
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max time kernel
120s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27-09-2024 01:49
Static task
static1
Behavioral task
behavioral1
Sample
a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe
Resource
win10v2004-20240802-en
General
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Target
a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe
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Size
42KB
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MD5
d09a6d68797729f21edb555effc48650
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SHA1
2de146ffcd083a8471f8be6fd4f5c98ebea93d9a
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SHA256
a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07
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SHA512
c09281e956492ab129297f361236e8a4b13f597f0795ac883d291d5ecd1defb65e6c8a3e2e49d859b5ed5967647b2b2087f9552e6a3fd1b303c878e41c3e8d5f
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhL:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYr
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2364 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2364 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2000 wrote to memory of 2364 2000 a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe 29 PID 2000 wrote to memory of 2364 2000 a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe 29 PID 2000 wrote to memory of 2364 2000 a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe 29 PID 2000 wrote to memory of 2364 2000 a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe"C:\Users\Admin\AppData\Local\Temp\a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:2364
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5e9aef9f9144e50d3d285f9b0d311ac42
SHA1c3c01d2852494f4048103dd5cce816e6edc5deac
SHA256432e0d3b37797369d195edce2ae7131953ce13d38a653c0dd7bcb07536b57a22
SHA512a34c849b1fab863abfab2bf87cb8da370de68cfeb323ab262672997e00ee5343370b2386e88f74cf98448e6a6cbb3479e53853cb02b6ea750e50c25be7c55eb6