Analysis
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max time kernel
152s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 13:12
Behavioral task
behavioral1
Sample
58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
General
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Target
58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe
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Size
298KB
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MD5
0f747d7d1037163f97b1183d464a66c9
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SHA1
821b08704ae34bc1c5abf484bc174ea29dce0de0
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SHA256
58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972
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SHA512
abe76f761a7c8d603a27d442ee8cb19cc57bec3ae8c0fd0ede8b93ff9afd5fbe49b1dc319b9491bb7a409eef146f7278d39a92d305554c24094640f3a2e98d3d
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SSDEEP
6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIY2:v6Wq4aaE6KwyF5L0Y2D1PqLb
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 4104 svhost.exe -
resource yara_rule behavioral2/memory/308-132-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/files/0x0002000000022e63-135.dat upx behavioral2/files/0x0002000000022e63-134.dat upx behavioral2/memory/4104-136-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/308-137-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4104-138-0x0000000000400000-0x00000000004C2000-memory.dmp upx -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\v: svhost.exe File opened (read-only) \??\b: svhost.exe File opened (read-only) \??\e: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\l: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\q: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\a: svhost.exe File opened (read-only) \??\f: svhost.exe File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\y: svhost.exe File opened (read-only) \??\z: svhost.exe File opened (read-only) \??\w: svhost.exe File opened (read-only) \??\x: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\o: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\j: svhost.exe File opened (read-only) \??\k: svhost.exe -
AutoIT Executable 3 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4104-136-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/308-137-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4104-138-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svhost.exe 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe File opened for modification C:\Windows\Driver.db svhost.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 8 IoCs
pid Process 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4104 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe 4104 svhost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 308 wrote to memory of 4104 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 84 PID 308 wrote to memory of 4104 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 84 PID 308 wrote to memory of 4104 308 58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe"C:\Users\Admin\AppData\Local\Temp\58be66c07aee479ae72a1f3edab424b57718739591b98dcd2d801b5eae22b972.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:308 -
C:\Windows\svhost.exeC:\Windows\svhost.exe2⤵
- Modifies visibility of file extensions in Explorer
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4104
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
298KB
MD5b81a8c4ad8c21c40d027ca97cd22cb3f
SHA185e4c0738a0d9326e04f3622cb6639244452f4fd
SHA25666aa2c022c526058b7f68fd1d04936c1f949493b0d4abdec7d09c1c30843f750
SHA512b0d622898cda450bf8269fb407a484244d826cef3bd104d008f70b2759495e1a7ab06bec4a6316dc21cd29c00b8b5f4dae489f4691ed023aa208ef5f0976b317
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Filesize
298KB
MD5b81a8c4ad8c21c40d027ca97cd22cb3f
SHA185e4c0738a0d9326e04f3622cb6639244452f4fd
SHA25666aa2c022c526058b7f68fd1d04936c1f949493b0d4abdec7d09c1c30843f750
SHA512b0d622898cda450bf8269fb407a484244d826cef3bd104d008f70b2759495e1a7ab06bec4a6316dc21cd29c00b8b5f4dae489f4691ed023aa208ef5f0976b317