Analysis
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max time kernel
170s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
13/10/2023, 19:21
Static task
static1
Behavioral task
behavioral1
Sample
c71ed173ee06525a8eff6fc677bd1d135c84d46f5d4e7217882d70eb07371916.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
c71ed173ee06525a8eff6fc677bd1d135c84d46f5d4e7217882d70eb07371916.exe
Resource
win10v2004-20230915-en
General
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Target
c71ed173ee06525a8eff6fc677bd1d135c84d46f5d4e7217882d70eb07371916.exe
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Size
2.6MB
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MD5
a8e6592c6b1f160ef401131b49491830
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SHA1
d904a5d98d1e36c2f67f63a4f1c9fa0f05082d25
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SHA256
c71ed173ee06525a8eff6fc677bd1d135c84d46f5d4e7217882d70eb07371916
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SHA512
2478282a716ae0602635e09869eca210079c50396ca483b75e601550268d55d43b06d1bb448c3519b91fbb18afc3a0952686e1b46ac665c83214e757de2a5176
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SSDEEP
49152:D7TvfU+8X9GrNOsva5RbKhF3ANkTTlqxn+iy16su1o:Q+8X9G3vP3AMEC6suC
Malware Config
Signatures
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification \??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico explorer.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2380 explorer.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe Token: SeShutdownPrivilege 2380 explorer.exe -
Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe 2380 explorer.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\c71ed173ee06525a8eff6fc677bd1d135c84d46f5d4e7217882d70eb07371916.exe"C:\Users\Admin\AppData\Local\Temp\c71ed173ee06525a8eff6fc677bd1d135c84d46f5d4e7217882d70eb07371916.exe"1⤵PID:3016
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2380