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Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
08/10/2023, 19:12
Static task
static1
Behavioral task
behavioral1
Sample
d139c8ae230c4590dd0a3cda64a58a54d6bea2a0aa18ee9b9c2a426ae1df3f04.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
d139c8ae230c4590dd0a3cda64a58a54d6bea2a0aa18ee9b9c2a426ae1df3f04.exe
Resource
win10v2004-20230915-en
General
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Target
d139c8ae230c4590dd0a3cda64a58a54d6bea2a0aa18ee9b9c2a426ae1df3f04.exe
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Size
2.7MB
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MD5
78103acc87199ff2c5dd54c9fea7c1e2
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SHA1
45dd9822f5afb34e7444afa46fbea6b848341c71
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SHA256
d139c8ae230c4590dd0a3cda64a58a54d6bea2a0aa18ee9b9c2a426ae1df3f04
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SHA512
c8253e69a2cd3289f724f173496af8152a7db3551f5d733c8c59d41cc065a3c03fe2586859eab9cc26cf1fe2b558b5df9db0899c3f4974ddd1896a3a64db67f4
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SSDEEP
49152:D7TvfU+8X9GrNOsva5RbKhF3ANkTTlB21qtW1UhY:Q+8X9G3vP3AMHaqsSY
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 17 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 -
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\d139c8ae230c4590dd0a3cda64a58a54d6bea2a0aa18ee9b9c2a426ae1df3f04.exe"C:\Users\Admin\AppData\Local\Temp\d139c8ae230c4590dd0a3cda64a58a54d6bea2a0aa18ee9b9c2a426ae1df3f04.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