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Analysis
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max time kernel
163s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
16/10/2023, 16:49
Behavioral task
behavioral1
Sample
NEAS.20db70ba80da235e0e9b48b7a3e739c0_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.20db70ba80da235e0e9b48b7a3e739c0_JC.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.20db70ba80da235e0e9b48b7a3e739c0_JC.exe
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Size
2.0MB
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MD5
20db70ba80da235e0e9b48b7a3e739c0
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SHA1
dd6224cc44a473b37e94fdd3506024874e8fe8fc
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SHA256
e5a7812d167818cf26b9a937975ef9cb7f2b937716247e39069be13626935dac
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SHA512
d5a770e27c75c74a7cc37cfbc05db0fd5693dcb33d9b0bc05b640a4384f0304d71b290559bc58f77952e3f7b777c6cd37ca46f8f2fec7bf142765ad503ba48ec
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SSDEEP
49152:sE13D8c4GG/jfKCfGgp8n93CBLS7hvu+a:1Ho/OKGY89G+7hm+a
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-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
resource yara_rule behavioral1/memory/664-0-0x0000000000B10000-0x0000000000CBD000-memory.dmp upx behavioral1/memory/664-2-0x0000000000B10000-0x0000000000CBD000-memory.dmp upx -
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-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2348 explorer.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe Token: SeShutdownPrivilege 2348 explorer.exe -
Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe -
Suspicious use of SendNotifyMessage 17 IoCs
pid Process 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 explorer.exe 2348 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\NEAS.20db70ba80da235e0e9b48b7a3e739c0_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.20db70ba80da235e0e9b48b7a3e739c0_JC.exe"1⤵PID:664
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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:2348