Analysis
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max time kernel
91s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
15/09/2022, 15:13
Static task
static1
General
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Target
d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe
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Size
1.8MB
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MD5
0ef34ab6a825460fc7f38e206cc1ffb6
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SHA1
38f87b6e01e297820e41f45b786299f837a6f6af
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SHA256
d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35
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SHA512
0cf6d54eca1be7077d0d97564847323237eb946c387cef6181110f190ade9ed567382a06ab54753402861a158a7fe0e6e96b3875172bf0dfd4c748a52275433d
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SSDEEP
49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ oobeldr.exe -
Executes dropped EXE 1 IoCs
pid Process 4528 oobeldr.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion oobeldr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion oobeldr.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA oobeldr.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 4528 oobeldr.exe 4528 oobeldr.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4752 schtasks.exe 2212 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 4528 oobeldr.exe 4528 oobeldr.exe 4528 oobeldr.exe 4528 oobeldr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2672 wrote to memory of 4752 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 78 PID 2672 wrote to memory of 4752 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 78 PID 2672 wrote to memory of 4752 2672 d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe 78 PID 4528 wrote to memory of 2212 4528 oobeldr.exe 87 PID 4528 wrote to memory of 2212 4528 oobeldr.exe 87 PID 4528 wrote to memory of 2212 4528 oobeldr.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe"C:\Users\Admin\AppData\Local\Temp\d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"2⤵
- Creates scheduled task(s)
PID:4752
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C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"2⤵
- Creates scheduled task(s)
PID:2212
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.8MB
MD50ef34ab6a825460fc7f38e206cc1ffb6
SHA138f87b6e01e297820e41f45b786299f837a6f6af
SHA256d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35
SHA5120cf6d54eca1be7077d0d97564847323237eb946c387cef6181110f190ade9ed567382a06ab54753402861a158a7fe0e6e96b3875172bf0dfd4c748a52275433d
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Filesize
1.8MB
MD50ef34ab6a825460fc7f38e206cc1ffb6
SHA138f87b6e01e297820e41f45b786299f837a6f6af
SHA256d5646d4d558533e0e23f4715c0679f6b5c8c6d14e86a32027d809379b6894c35
SHA5120cf6d54eca1be7077d0d97564847323237eb946c387cef6181110f190ade9ed567382a06ab54753402861a158a7fe0e6e96b3875172bf0dfd4c748a52275433d