Analysis
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max time kernel
152s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11-10-2023 17:12
Static task
static1
Behavioral task
behavioral1
Sample
05811e00e6ae85b09f70dabd03f1825eea16d9156d484c81ab27d9b60193b90b.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
05811e00e6ae85b09f70dabd03f1825eea16d9156d484c81ab27d9b60193b90b.exe
Resource
win10v2004-20230915-en
General
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Target
05811e00e6ae85b09f70dabd03f1825eea16d9156d484c81ab27d9b60193b90b.exe
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Size
3.0MB
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MD5
acc87d2c3cc33bd3d1c1eb6b2611a2a5
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SHA1
51cf693d515fb386f3a5cce95be23df9699e4eaa
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SHA256
05811e00e6ae85b09f70dabd03f1825eea16d9156d484c81ab27d9b60193b90b
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SHA512
238665677791fd22694f39f1aecdac383ef4fb8c35b3e166593e18707a2dadfac058655993b45b56b9811457bc35415bbe806789ecf59526ce04981ceb3ad5a2
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SSDEEP
49152:H7TvfU+8X9GrNOsva5RbKhF3ANkTTlLuXDdq2C7XuC+3cNqPais:c+8X9G3vP3AMUXog3csa1
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 Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe 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 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2100 explorer.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe Token: SeShutdownPrivilege 2100 explorer.exe -
Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 explorer.exe 2100 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\05811e00e6ae85b09f70dabd03f1825eea16d9156d484c81ab27d9b60193b90b.exe"C:\Users\Admin\AppData\Local\Temp\05811e00e6ae85b09f70dabd03f1825eea16d9156d484c81ab27d9b60193b90b.exe"1⤵PID:2316
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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:2100