Analysis
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max time kernel
156s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
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submitted
06/11/2023, 09:44
General
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Target
c7465fd84271c7907ca30fa96d3d0e78b7ac9c46d02d9236ca32397490d888d1.exe
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Size
4.3MB
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MD5
8cdcfb6b72fdbbfaa0b344c45249dad6
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SHA1
b18f8d9ccf0d18dc69521687e05f4daebd998238
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SHA256
c7465fd84271c7907ca30fa96d3d0e78b7ac9c46d02d9236ca32397490d888d1
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SHA512
c99e72f81942c59c2863b5fe39170138b0e5075b03aff0504ec07a5b3b1853051df5a643f72991a749a4ec46c0245ccb0efe81985d0274caa5706f69e0ff6903
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SSDEEP
98304:zvho60OBVd3SblPhyafhffQ3DULEe9RDc35adl:L7L9ibDyafhflptt
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 10 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 4 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c7465fd84271c7907ca30fa96d3d0e78b7ac9c46d02d9236ca32397490d888d1.exe"C:\Users\Admin\AppData\Local\Temp\c7465fd84271c7907ca30fa96d3d0e78b7ac9c46d02d9236ca32397490d888d1.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\UnityCrashHandler64.exeC:\Users\Admin\Documents\\UnityCrashHandler64.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\tem.vbs"2⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
16B
MD571a86d09ed4093b63bfe04838c551fff
SHA14797c240d912471ae5e7e051e0d429abbd130817
SHA256c74c63bb9cb1bdccf250f377f98c8ddfa117c4f2b8e4d8fed0d4382ddef3e3be
SHA512a2e6c6a36e54228264b677d72dc71611c797e599b2219512599d15f9a29c6e97e4eed93c2fbbad2df5ddc7df5963d8286b24a8f99dfa229ac33111e2e881a97e
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Filesize
275B
MD57edd4a602067b2806ff69b80860010b8
SHA189597b2cc49fb471cdf848d2e697d2ef5df211a6
SHA256ff1ba5479797ec2b1c6370425f00efa4e2eb4e805f2caa4736aa2954b7fb774c
SHA512c9261e5e4735b81733e7b39662995650b8e3b3ccae6db00cf0604f7911157f7718825ca874df3d00adeab55816e812cb1068fa2d9d843b2705b0b871ec0ca509
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Filesize
4.3MB
MD5836f6c726933cd9f619ae620e02840ee
SHA1425dace3af5734b5d2a6a9776fe67c847894b3d6
SHA2560fd6e4e531f7a8f252d1d7510994ec0bdff6fc19cc2a67e2427f5fa3e58ec0c3
SHA512500e4ebfc0c8e249c8fc850fdb91b248c357b68c4fd2b25fdc2f4107f18b01cb50193a8ad06a3c72f888988a61ab4d3e722dea23a797dbcc2482c1cb671c5a6e
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Filesize
4.3MB
MD5836f6c726933cd9f619ae620e02840ee
SHA1425dace3af5734b5d2a6a9776fe67c847894b3d6
SHA2560fd6e4e531f7a8f252d1d7510994ec0bdff6fc19cc2a67e2427f5fa3e58ec0c3
SHA512500e4ebfc0c8e249c8fc850fdb91b248c357b68c4fd2b25fdc2f4107f18b01cb50193a8ad06a3c72f888988a61ab4d3e722dea23a797dbcc2482c1cb671c5a6e
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
8KB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB
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Filesize
10.6MB