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Analysis
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max time kernel
152s -
max time network
78s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 10:12
Static task
static1
Behavioral task
behavioral1
Sample
c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe
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Size
244KB
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MD5
e437fd9e347d5c57c58f9f01ef12dbaf
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SHA1
ba857edce2202d47451ca40784099e4d99f61aa7
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SHA256
c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4
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SHA512
c33d5c595848b9824bac52b98f2d90334d0b0a02020c793e2bd2e97f2683cc0a427e5fc8887b966876ef88a69d52ea0ad81fd87513bc067f0675707b3274732c
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SSDEEP
3072:7hPBdfsROnFQpQnO5yIuSP9lqVinU3bp/PTm2moJ6BwA+GABMndgSq6u:7hJdLO7PnqVinU3bw2moJ6WAdgBH
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" puoar.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe -
Executes dropped EXE 1 IoCs
pid Process 1040 puoar.exe -
Loads dropped DLL 2 IoCs
pid Process 1664 c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe 1664 c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /c" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /o" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /w" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /v" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /r" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /m" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /z" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /h" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /l" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /n" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /e" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /f" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /t" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /x" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /i" puoar.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /d" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /p" puoar.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /q" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /y" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /g" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /k" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /a" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /u" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /b" c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /s" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /b" puoar.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puoar = "C:\\Users\\Admin\\puoar.exe /j" puoar.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1664 c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe 1040 puoar.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1664 c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe 1040 puoar.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1664 wrote to memory of 1040 1664 c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe 28 PID 1664 wrote to memory of 1040 1664 c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe 28 PID 1664 wrote to memory of 1040 1664 c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe 28 PID 1664 wrote to memory of 1040 1664 c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe"C:\Users\Admin\AppData\Local\Temp\c6272186199753b42287d738ebd92c607b7afc1896492b54d6b7d6b845e05fe4.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Users\Admin\puoar.exe"C:\Users\Admin\puoar.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1040
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
244KB
MD584e2daaa86d39480729513d130fa9df6
SHA1b6a1b87546100d76743f253e220a8f60b6572e1b
SHA25643740b303f3bb841bb66f07ccf2fbf7be9237c2e3f6bf3fdca8e3b5eb559903e
SHA51266f987008088946d1ed816cd5e863176f51c5c21feaae9562933296a7d2270b71705c6ab28a1eb7004b5a222037252ef6422ecdfbd5d54307cfa5b826850cb5d
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Filesize
244KB
MD584e2daaa86d39480729513d130fa9df6
SHA1b6a1b87546100d76743f253e220a8f60b6572e1b
SHA25643740b303f3bb841bb66f07ccf2fbf7be9237c2e3f6bf3fdca8e3b5eb559903e
SHA51266f987008088946d1ed816cd5e863176f51c5c21feaae9562933296a7d2270b71705c6ab28a1eb7004b5a222037252ef6422ecdfbd5d54307cfa5b826850cb5d
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Filesize
244KB
MD584e2daaa86d39480729513d130fa9df6
SHA1b6a1b87546100d76743f253e220a8f60b6572e1b
SHA25643740b303f3bb841bb66f07ccf2fbf7be9237c2e3f6bf3fdca8e3b5eb559903e
SHA51266f987008088946d1ed816cd5e863176f51c5c21feaae9562933296a7d2270b71705c6ab28a1eb7004b5a222037252ef6422ecdfbd5d54307cfa5b826850cb5d
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Filesize
244KB
MD584e2daaa86d39480729513d130fa9df6
SHA1b6a1b87546100d76743f253e220a8f60b6572e1b
SHA25643740b303f3bb841bb66f07ccf2fbf7be9237c2e3f6bf3fdca8e3b5eb559903e
SHA51266f987008088946d1ed816cd5e863176f51c5c21feaae9562933296a7d2270b71705c6ab28a1eb7004b5a222037252ef6422ecdfbd5d54307cfa5b826850cb5d