Analysis
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max time kernel
145s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/10/2022, 00:56
Static task
static1
Behavioral task
behavioral1
Sample
04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe
Resource
win10v2004-20220812-en
General
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Target
04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe
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Size
151KB
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MD5
66a23a09293207663976dad052e199b0
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SHA1
b54e13c403d677b87963890f686da75b8960183e
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SHA256
04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39
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SHA512
1a3ce389626b29e4a1ae02a146194c284ef9e5f094be07467b30ac7074f3c07953d6e35b6c4f36892c1ed1dd77150532393ef915587f4e63c7274b6ad04e01aa
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SSDEEP
3072:CxFrdsKg23siARENSuxmw7A2z7R/5z01WHT:CLL3siARphGDZT
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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" 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\Wow6432Node\Microsoft\Windows\CurrentVersion\run 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\T: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\Q: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\M: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\I: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\F: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\E: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\P: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\O: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\U: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\S: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\N: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\L: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\J: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\Y: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\X: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\V: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\R: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\K: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\G: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\Z: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened (read-only) \??\W: 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1496 1280 WerFault.exe 17 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1280 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1280 wrote to memory of 1496 1280 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe 28 PID 1280 wrote to memory of 1496 1280 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe 28 PID 1280 wrote to memory of 1496 1280 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe 28 PID 1280 wrote to memory of 1496 1280 04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe"C:\Users\Admin\AppData\Local\Temp\04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 5482⤵
- Program crash
PID:1496
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