Analysis
- max time kernel
145s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system - submitted
08/07/2024, 08:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe
Resource
win7-20240704-en
25 signatures
150 seconds
General
- Target a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe
- Size 1.8MB
- Sample240708-kky2hatbrb
- SHA256 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07
- MD5 d08de3a0e58a16b544c3d739b2a5598a
- SHA1 f400d5d976ffb48a349a2c813c9c5723e7175138
- SHA512 ad3090320ff57e870e78729bdc6fdab476dc60bf65cfcb8fef3a6417c0341e1f0298e467c3bd742a8f5f6e30ffb022130ccabe0eb903952ea70cf954561c886b
- SSDEEP 49152:APtjSvqEq1g3nc2hDkh2PcdOOTCNSf1dFYLV7qrvAvcxf9:2tjSvNqonDhAEPCORqdFYZpvcx9
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.30
Botnet
-
4dd39d
C2
-
http://77.91.77.82
Attributes
-
install_dir
ad40971b6b
-
install_file
explorti.exe
-
strings_key
a434973ad22def7137dbb5e059b7081e
-
url_paths
/Hun4Ko/index.php
rc4.plain
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe - Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2480455240-981575606-1030659066-1000\Control Panel\International\Geo\Nation a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe - Executes dropped EXE 3 IoCs
pid Process 2020 explorti.exe 4508 explorti.exe 4852 explorti.exe - Identifies Wine through registry keys 2 TTPs 4 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-1-5-21-2480455240-981575606-1030659066-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-2480455240-981575606-1030659066-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-2480455240-981575606-1030659066-1000\Software\Wine a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe Key opened \REGISTRY\USER\S-1-5-21-2480455240-981575606-1030659066-1000\Software\Wine explorti.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 3816 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe 2020 explorti.exe 4508 explorti.exe 4852 explorti.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorti.job a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3816 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe 3816 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe 2020 explorti.exe 2020 explorti.exe 4508 explorti.exe 4508 explorti.exe 4852 explorti.exe 4852 explorti.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3816 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3816 wrote to memory of 2020 3816 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe 85 PID 3816 wrote to memory of 2020 3816 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe 85 PID 3816 wrote to memory of 2020 3816 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe"C:\Users\Admin\AppData\Local\Temp\a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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:3816 -
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:2020
-
-
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeC:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4508
-
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeC:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4852
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
- Size 1.8MB
- SHA256 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07
- MD5 d08de3a0e58a16b544c3d739b2a5598a
- SHA1 f400d5d976ffb48a349a2c813c9c5723e7175138
- SHA512 ad3090320ff57e870e78729bdc6fdab476dc60bf65cfcb8fef3a6417c0341e1f0298e467c3bd742a8f5f6e30ffb022130ccabe0eb903952ea70cf954561c886b
- SSDEEP 49152:APtjSvqEq1g3nc2hDkh2PcdOOTCNSf1dFYLV7qrvAvcxf9:2tjSvNqonDhAEPCORqdFYZpvcx9
- MD5 SHA1 SHA512 SSDEEP