Analysis
-
max time kernel
142s -
max time network
93s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-05-2024 15:37
Behavioral task
behavioral1
Sample
b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe
Resource
win10v2004-20240508-en
General
-
Target
b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe
-
Size
1.6MB
-
MD5
9c5c42820ff716a28ae7b73eb45542da
-
SHA1
5a445d5da740bb2cfe4b591a5c34ef5b9c9338f5
-
SHA256
b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6
-
SHA512
1e81b79678bf65633fddd6b8605ffbe97b305e5374dde1c7641e204685b73d9f0fe2576518ed7cedb21b24b2f2603bb5c5c7ea2210269cb04bf30b6709ce0966
-
SSDEEP
49152:moqB/kUKXw0rzzickPQzaMOGcm1aZoJJdusHuQWK8tm:mgFw0rKcCQzDBJdLNWKb
Malware Config
Extracted
amadey
4.20
18befc
http://5.42.96.141
-
install_dir
908f070dff
-
install_file
explorku.exe
-
strings_key
b25a9385246248a95c600f9a061438e1
-
url_paths
/go34ko8/index.php
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
explorku.exeexplorku.exeb7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exeexplorku.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe -
Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorku.exeb7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorku.exe -
Executes dropped EXE 3 IoCs
Processes:
explorku.exeexplorku.exeexplorku.exepid process 4016 explorku.exe 2948 explorku.exe 1112 explorku.exe -
Processes:
resource yara_rule behavioral2/memory/3516-2-0x0000000000250000-0x0000000000789000-memory.dmp themida behavioral2/memory/3516-4-0x0000000000250000-0x0000000000789000-memory.dmp themida behavioral2/memory/3516-7-0x0000000000250000-0x0000000000789000-memory.dmp themida behavioral2/memory/3516-6-0x0000000000250000-0x0000000000789000-memory.dmp themida behavioral2/memory/3516-5-0x0000000000250000-0x0000000000789000-memory.dmp themida behavioral2/memory/3516-3-0x0000000000250000-0x0000000000789000-memory.dmp themida behavioral2/memory/3516-1-0x0000000000250000-0x0000000000789000-memory.dmp themida behavioral2/memory/3516-0-0x0000000000250000-0x0000000000789000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe themida behavioral2/memory/3516-18-0x0000000000250000-0x0000000000789000-memory.dmp themida behavioral2/memory/4016-21-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/4016-22-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/4016-27-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/4016-26-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/4016-25-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/4016-24-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/4016-23-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/4016-28-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/4016-29-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-35-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-37-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-41-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-42-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-40-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-39-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-38-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-36-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/2948-43-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/1112-53-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/1112-52-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/1112-56-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/1112-55-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/1112-54-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/1112-51-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/1112-57-0x0000000000580000-0x0000000000AB9000-memory.dmp themida behavioral2/memory/1112-59-0x0000000000580000-0x0000000000AB9000-memory.dmp themida -
Processes:
b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorku.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorku.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorku.exe -
Drops file in Windows directory 1 IoCs
Processes:
b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exedescription ioc process File created C:\Windows\Tasks\explorku.job b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exedescription pid process target process PID 3516 wrote to memory of 4016 3516 b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe explorku.exe PID 3516 wrote to memory of 4016 3516 b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe explorku.exe PID 3516 wrote to memory of 4016 3516 b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe explorku.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe"C:\Users\Admin\AppData\Local\Temp\b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:4016
-
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exeC:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:2948
-
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exeC:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:1112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exeFilesize
1.6MB
MD59c5c42820ff716a28ae7b73eb45542da
SHA15a445d5da740bb2cfe4b591a5c34ef5b9c9338f5
SHA256b7dc9ceabfde801f8a1c25c2020c1eff2e4cdadbd7d0b183de201dca76b894e6
SHA5121e81b79678bf65633fddd6b8605ffbe97b305e5374dde1c7641e204685b73d9f0fe2576518ed7cedb21b24b2f2603bb5c5c7ea2210269cb04bf30b6709ce0966
-
memory/1112-54-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/1112-55-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/1112-53-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/1112-59-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/1112-57-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/1112-56-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/1112-52-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/1112-51-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-36-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-43-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-35-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-38-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-39-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-40-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-42-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-41-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/2948-37-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/3516-18-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/3516-2-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/3516-4-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/3516-7-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/3516-6-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/3516-5-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/3516-3-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/3516-1-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/3516-0-0x0000000000250000-0x0000000000789000-memory.dmpFilesize
5.2MB
-
memory/4016-25-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/4016-21-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/4016-22-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/4016-27-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/4016-26-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/4016-29-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/4016-24-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/4016-23-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB
-
memory/4016-28-0x0000000000580000-0x0000000000AB9000-memory.dmpFilesize
5.2MB