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
13/11/2024, 08:20
Static task
static1
Behavioral task
behavioral1
Sample
da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe
Resource
win10v2004-20241007-en
General
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Target
da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe
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Size
70KB
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MD5
055a54c72a6047ad411787cbfdb26b88
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SHA1
2c5037f33facab30aeddda90a4df9f520eba868f
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SHA256
24afa6498fd2205870491834ce41f9198c8999615fe53947a16a9a9b1fee358b
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SHA512
24b4e3cd3ea35c11a2298f5924241ad9bceea0124932870b7d965463466b0b117c7e6b9379f510c999db5f451677881891be74fe5a25bca619fe8416904aa1f9
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SSDEEP
1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhhH/HQM:lAo1lOwvlKlXBP6vghzwYu7vih9GueIT
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4644 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 4644 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.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 da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4468 wrote to memory of 4644 4468 da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe 83 PID 4468 wrote to memory of 4644 4468 da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe 83 PID 4468 wrote to memory of 4644 4468 da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe"C:\Users\Admin\AppData\Local\Temp\da211c8878d1cb35bdc1e1befb68d6e9d8c57c6cc5616b6d765cc24c04bfc127N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4468 -
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:4644
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD5bed594b343adc9f9dbc6a823cf4f5f41
SHA1991c90a05e800413c787e6048200dc9a6a5d29bf
SHA25674d9a1f9f5246fe1dadd60898f863dcb8d9ea106d74c42f28202e1a65bc7d12c
SHA512bbdf53a7f4a59afedb1f49e99696cd0f6cd146397b927dee7a489a82f48772f9d0ca082e9ed99a9936390002c9838426c3f02e0ecfdc292637757bc16ce2450f