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Analysis
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max time kernel
149s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11/10/2023, 09:02
Static task
static1
Behavioral task
behavioral1
Sample
55ce0a0fbadbc9556ad9c11e66a3860d0b458f64c7706a982bbc9bd88ead2d1c.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
55ce0a0fbadbc9556ad9c11e66a3860d0b458f64c7706a982bbc9bd88ead2d1c.exe
Resource
win10v2004-20230915-en
General
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Target
55ce0a0fbadbc9556ad9c11e66a3860d0b458f64c7706a982bbc9bd88ead2d1c.exe
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Size
3.4MB
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MD5
caff4df61b1ee70da0bef0a989a315dd
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SHA1
b5c38135e96d4de71015c8f09a8c1255b707f979
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SHA256
55ce0a0fbadbc9556ad9c11e66a3860d0b458f64c7706a982bbc9bd88ead2d1c
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SHA512
7b74f8a0402bff28a6f706d2cdc740ce080636ceac10dd7116bf3f436559bc073c5cef1a10daaf0f4cf5dc79a9fae5bf5213bc90253a3890717bc037aea22c44
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SSDEEP
49152:D7TvfU+8X9GrNOsva5RbKhF3ANkTTloiNGgKMXVwm3rfgZX9Yqm2my9U1:Q+8X9G3vP3AM2+GLvsrgbmyG
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-1-5-21-686452656-3203474025-4140627569-1000\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-1-5-21-686452656-3203474025-4140627569-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 856 explorer.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe -
Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 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\55ce0a0fbadbc9556ad9c11e66a3860d0b458f64c7706a982bbc9bd88ead2d1c.exe"C:\Users\Admin\AppData\Local\Temp\55ce0a0fbadbc9556ad9c11e66a3860d0b458f64c7706a982bbc9bd88ead2d1c.exe"1⤵PID:1032
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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:856