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Analysis
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max time kernel
4s -
max time network
23s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 00:25
Static task
static1
Behavioral task
behavioral1
Sample
8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe
Resource
win10v2004-20220812-en
General
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Target
8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe
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Size
376KB
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MD5
0c45ce2d32347e94e4519d56161d017a
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SHA1
a5b7826d1d9c1546b660a166c198ff7e1cd7750d
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SHA256
8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5
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SHA512
f886cf0bf9305e76fb0a6ec62db6bd081a03e9036569039985d1f85e56bd4a50a492d5bade13657f8bcdae1e7617d79ec02a84db8921a8399b863e61b00fbca9
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SSDEEP
6144:eXTlaHARcl7WYR/6TB8qXTlaHARcl7WYR/6TB:ejlHS6TtjlHS6T
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\memfmhlp = "\"C:\\Users\\Admin\\AppData\\Roaming\\memfmhlp.exe\" -autorun" iexplore.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1364 8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1364 wrote to memory of 3536 1364 8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe 57 PID 1364 wrote to memory of 3536 1364 8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe 57 PID 1364 wrote to memory of 3536 1364 8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe 57 PID 1364 wrote to memory of 3536 1364 8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe 57 PID 1364 wrote to memory of 3536 1364 8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe 57
Processes
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C:\Users\Admin\AppData\Local\Temp\8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe"C:\Users\Admin\AppData\Local\Temp\8a492dcfaead4c531d1d0be16dc2d74a4ee983149d43e70e8a8686888d4ae1e5.exe"1⤵
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"2⤵
- Adds Run key to start application
PID:3536
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