Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system - submitted
03/04/2024, 08:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe
Resource
win10v2004-20231215-en
12 signatures
150 seconds
General
- Target f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe
- Size 1.8MB
- Sample240403-kma3fsbg23
- SHA256 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5
- MD5 e47d5b0d44249b0222aba94a720a904b
- SHA1 33b3bdd6b619e655f26cd8de15c6b8330646a7dc
- SHA512 da2fb571be65b4f2bb8087e167b1e4da815ebe09446978842becec5325c6ba90efec12007410f9eea446bfa49fdc1259c765db21d676f4f1797694f89da1fcb5
- SSDEEP 24576:iMPIm8o84uNTKQ12jIqW3JQokiIV2UiZWz/+37hqSIRZ3CDAoMcFjZVQEpUE2lXu:iM98bD2jIqdiI4SAAESL/lQCigZ/2xn
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.18
C2
-
http://193.233.132.56
Attributes
-
install_dir
09fd851a4f
-
install_file
explorha.exe
-
strings_key
443351145ece4966ded809641c77cfa8
-
url_paths
/Pneh2sXQk0/index.php
rc4.plain
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe - Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe - Executes dropped EXE 4 IoCs
pid Process 2604 explorha.exe 1632 explorha.exe 4732 explorha.exe 2104 explorha.exe - Identifies Wine through registry keys 2 TTPs 5 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Wine f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe Key opened \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Wine explorha.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 4140 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe 2604 explorha.exe 1632 explorha.exe 4732 explorha.exe 2104 explorha.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4140 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe 4140 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe 2604 explorha.exe 2604 explorha.exe 1632 explorha.exe 1632 explorha.exe 4732 explorha.exe 4732 explorha.exe 2104 explorha.exe 2104 explorha.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4140 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4140 wrote to memory of 2604 4140 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe 77 PID 4140 wrote to memory of 2604 4140 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe 77 PID 4140 wrote to memory of 2604 4140 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe"C:\Users\Admin\AppData\Local\Temp\f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2604
-
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1632
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4732
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2104
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
- Size 1.8MB
- SHA256 f5be9e6c908d3ea5a1ab0de7183aec4a7eff08881063c1b423aac4649f943fa5
- MD5 e47d5b0d44249b0222aba94a720a904b
- SHA1 33b3bdd6b619e655f26cd8de15c6b8330646a7dc
- SHA512 da2fb571be65b4f2bb8087e167b1e4da815ebe09446978842becec5325c6ba90efec12007410f9eea446bfa49fdc1259c765db21d676f4f1797694f89da1fcb5
- SSDEEP 24576:iMPIm8o84uNTKQ12jIqW3JQokiIV2UiZWz/+37hqSIRZ3CDAoMcFjZVQEpUE2lXu:iM98bD2jIqdiI4SAAESL/lQCigZ/2xn
- MD5 SHA1 SHA512 SSDEEP