Analysis
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max time kernel
38s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-08-2022 01:59
Behavioral task
behavioral1
Sample
6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe
Resource
win7-20220812-en
windows7-x64
6 signatures
300 seconds
General
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Target
6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe
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Size
4.0MB
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MD5
3c80bb1573592cc5d855e372155009b7
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SHA1
c4d9b4f499dbe5ac3d4f4242b01af8bdac01e2e5
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SHA256
6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc
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SHA512
2964a206bef693e78bdd79b9b6e07a9056ab8caeeb76f2b93e4f1fb977d580f048749b29e4fcce8492f7dd028c23af19bc71ffaee70f52fa616e4754ec94075a
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SSDEEP
98304:we+CD9I4tr434FJHN9QYv9P3p2Lss7hKOUMivH7K5ilVlI16o6lC9Tck:we+A9Igrmkp1P3pNoKOumoOvNTc
Malware Config
Signatures
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YTStealer payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/544-54-0x0000000000880000-0x0000000001648000-memory.dmp family_ytstealer behavioral1/memory/544-57-0x0000000000880000-0x0000000001648000-memory.dmp family_ytstealer -
Processes:
resource yara_rule behavioral1/memory/544-54-0x0000000000880000-0x0000000001648000-memory.dmp upx behavioral1/memory/544-57-0x0000000000880000-0x0000000001648000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exepid process 544 6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe 544 6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.execmd.exedescription pid process target process PID 544 wrote to memory of 1768 544 6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe cmd.exe PID 544 wrote to memory of 1768 544 6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe cmd.exe PID 544 wrote to memory of 1768 544 6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe cmd.exe PID 1768 wrote to memory of 664 1768 cmd.exe choice.exe PID 1768 wrote to memory of 664 1768 cmd.exe choice.exe PID 1768 wrote to memory of 664 1768 cmd.exe choice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe"C:\Users\Admin\AppData\Local\Temp\6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:664