Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system - submitted
29/04/2024, 15:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe
Resource
win10v2004-20240419-en
63 signatures
150 seconds
General
- Target cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe
- Size 1.8MB
- Sample240429-s43ssseb85
- SHA256 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09
- MD5 45baabedac16743b338c03f49565b4dd
- SHA1 a6df18d77d1b8efdce21ce326d24757d576ec328
- SHA512 9d4e74b95c31aad0779d846898c8d328ea1058f53b9e141ae4be4b88ac0ec2bd4fdd54695cf45f2531be88685556a69b6ba68a023b2f97ddf5e4edefe7a3b8e9
- SSDEEP 49152:B3/bnwoMbTDGFTd11RlpFblFBj0yIkhlHVx5TxpzOFsNS:Bjnw1HkZ11npv/gyIk/5POZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.20
C2
-
http://193.233.132.139
Attributes
-
install_dir
5454e6f062
-
install_file
explorta.exe
-
strings_key
c7a869c5ba1d72480093ec207994e2bf
-
url_paths
/sev56rkm/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__ explorta.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorta.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorta.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorta.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 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe - Executes dropped EXE 4 IoCs
pid Process 2872 explorta.exe 2820 explorta.exe 3064 explorta.exe 584 explorta.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-1-5-21-2878097196-921257239-309638238-1000\Software\Wine cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe Key opened \REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine explorta.exe Key opened \REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine explorta.exe Key opened \REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine explorta.exe Key opened \REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine explorta.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 3340 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe 2872 explorta.exe 2820 explorta.exe 3064 explorta.exe 584 explorta.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorta.job cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3340 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe 3340 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe 2872 explorta.exe 2872 explorta.exe 2820 explorta.exe 2820 explorta.exe 3064 explorta.exe 3064 explorta.exe 584 explorta.exe 584 explorta.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3340 wrote to memory of 2872 3340 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe 80 PID 3340 wrote to memory of 2872 3340 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe 80 PID 3340 wrote to memory of 2872 3340 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.exe"C:\Users\Admin\AppData\Local\Temp\cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09.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 WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe"C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:2872
-
-
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exeC:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:2820
-
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exeC:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:3064
-
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exeC:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
- Size 1.8MB
- SHA256 cdec8d4c23ee4137e25482264032a1fa51366c1eae736e7bd1146d59c4c9ed09
- MD5 45baabedac16743b338c03f49565b4dd
- SHA1 a6df18d77d1b8efdce21ce326d24757d576ec328
- SHA512 9d4e74b95c31aad0779d846898c8d328ea1058f53b9e141ae4be4b88ac0ec2bd4fdd54695cf45f2531be88685556a69b6ba68a023b2f97ddf5e4edefe7a3b8e9
- SSDEEP 49152:B3/bnwoMbTDGFTd11RlpFblFBj0yIkhlHVx5TxpzOFsNS:Bjnw1HkZ11npv/gyIk/5POZ
- MD5 SHA1 SHA512 SSDEEP