Analysis
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max time kernel
155s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
06/12/2022, 16:39
General
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Target
27538571cb75cbb274d3309364a8eaf94d76fe06db8d9b10448615f74517fb8b.exe
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Size
1.6MB
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MD5
055f4404c4fa658b051a226d2be7fef7
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SHA1
67bd43a985ac7cd05da93d1f5f57cda2154e9e6b
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SHA256
27538571cb75cbb274d3309364a8eaf94d76fe06db8d9b10448615f74517fb8b
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SHA512
1d9004347830d9bb7d36d0152a70177e5026bf6a1cad356097635363af701bdf6066140ca93486f6cd3065016e9af51e00f895a788ab76a797722d5326334e80
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SSDEEP
49152:zSU7M2iHGFL0S+IwMcrO1/PP1CWYGpRFROiw:zl7emF0S+H3SPPEWYORFR9w
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Adds Run key to start application 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Drops file in Windows directory 3 IoCs
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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 62 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\27538571cb75cbb274d3309364a8eaf94d76fe06db8d9b10448615f74517fb8b.exe"C:\Users\Admin\AppData\Local\Temp\27538571cb75cbb274d3309364a8eaf94d76fe06db8d9b10448615f74517fb8b.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\windows\ctfmon.exe"C:\windows\ctfmon.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.5MB
MD5111f20401702b3f2eb0eedf5dd4b9c21
SHA1d6887d7f1f2909bda35965f6d5727d15bbfd343f
SHA256345799b219fed6591a725402b251741a8dd9d8accf51c1c578212295b3bbb18e
SHA512b7dd13d56787dda5e11d8be381d193d36cf8847a7c515c85213abbf74c45cafa22eea4161f761e9b6a5cf6595bb973d1be4e16a9b63e3d44d88e0a5d53927570
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Filesize
1.5MB
MD5111f20401702b3f2eb0eedf5dd4b9c21
SHA1d6887d7f1f2909bda35965f6d5727d15bbfd343f
SHA256345799b219fed6591a725402b251741a8dd9d8accf51c1c578212295b3bbb18e
SHA512b7dd13d56787dda5e11d8be381d193d36cf8847a7c515c85213abbf74c45cafa22eea4161f761e9b6a5cf6595bb973d1be4e16a9b63e3d44d88e0a5d53927570
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Filesize
3.1MB
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Filesize
1.6MB
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Filesize
3.1MB
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Filesize
3.1MB
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Filesize
1.6MB
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Filesize
3.1MB