Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
15/06/2024, 19:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe
Resource
win7-20240611-en
21 signatures
150 seconds
General
- Target bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe
- Size 1.8MB
- Sample240615-yb12dsserg
- SHA256 bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5
- MD5 b961b45c72303b3a6cac023fcf57ac4a
- SHA1 d90cc8716f742534e06c77108842a24b51dcde41
- SHA512 39824cb8389208951a458aeb6866d36214f3707a3996b4791d068db9ce9bea53241d94842a0280cff06ffbee809f91eb411f319b774c43e86079cc4e268f9091
- SSDEEP 49152:oo8sr9eqgLZBgpoo12KGqH/F9QAJRnWT7LRx:od69bEzgpo+/GuGArKfRx
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.21
Botnet
-
0e6740
C2
-
http://147.45.47.155
Attributes
-
install_dir
9217037dc9
-
install_file
explortu.exe
-
strings_key
8e894a8a4a3d0da8924003a561cfb244
-
url_paths
/ku4Nor9/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__ bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.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\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe - Executes dropped EXE 4 IoCs
pid Process 3628 explortu.exe 4772 explortu.exe 4688 explortu.exe 4984 explortu.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-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explortu.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 4156 bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe 3628 explortu.exe 4772 explortu.exe 4688 explortu.exe 4984 explortu.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4156 bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe 4156 bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe 3628 explortu.exe 3628 explortu.exe 4772 explortu.exe 4772 explortu.exe 4688 explortu.exe 4688 explortu.exe 4984 explortu.exe 4984 explortu.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4156 wrote to memory of 3628 4156 bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe 85 PID 4156 wrote to memory of 3628 4156 bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe 85 PID 4156 wrote to memory of 3628 4156 bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.exe"C:\Users\Admin\AppData\Local\Temp\bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5.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 WriteProcessMemory
PID:4156 -
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:3628
-
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4772
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4688
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4984
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
- Size 1.8MB
- SHA256 bd1c6d7d693a33feacf6acc9aca02ea7f7df7d95c8ab310fca6fcb99b1ba2cb5
- MD5 b961b45c72303b3a6cac023fcf57ac4a
- SHA1 d90cc8716f742534e06c77108842a24b51dcde41
- SHA512 39824cb8389208951a458aeb6866d36214f3707a3996b4791d068db9ce9bea53241d94842a0280cff06ffbee809f91eb411f319b774c43e86079cc4e268f9091
- SSDEEP 49152:oo8sr9eqgLZBgpoo12KGqH/F9QAJRnWT7LRx:od69bEzgpo+/GuGArKfRx
- MD5 SHA1 SHA512 SSDEEP