Analysis
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max time kernel
145s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 06:28
General
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Target
81a4f7431b9301dab895845028bbfe10_NEAS.exe
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Size
1.7MB
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MD5
81a4f7431b9301dab895845028bbfe10
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SHA1
a0aeaee53db9e246e19491c459987bf90e3fde0d
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SHA256
d7d528eb8adbe8e6140b922830d6def2ff83b2648c77c78ae6061e12ae713bbc
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SHA512
bbac42e2962d0543ed765747d7e93c0ff66865339ba4b1b80392268c98c264aa5967371789d0ba01464c719b10c5ec1a0450c3633e46b8286bdeba8dab9e9133
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SSDEEP
49152:Cn8xbtBFy7Nsp3P8tYtVj6THTtdRhSJVaRNf:CCcN03PPVj6lfhQaPf
Malware Config
Extracted
amadey
4.20
http://193.233.132.139
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install_dir
5454e6f062
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install_file
explorta.exe
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strings_key
c7a869c5ba1d72480093ec207994e2bf
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url_paths
/sev56rkm/index.php
Signatures
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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__ explorta.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 81a4f7431b9301dab895845028bbfe10_NEAS.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 81a4f7431b9301dab895845028bbfe10_NEAS.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 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\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 81a4f7431b9301dab895845028bbfe10_NEAS.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorta.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorta.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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation 81a4f7431b9301dab895845028bbfe10_NEAS.exe -
Executes dropped EXE 4 IoCs
pid Process 2360 explorta.exe 1608 explorta.exe 968 explorta.exe 2640 explorta.exe -
resource yara_rule behavioral2/memory/964-0-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/memory/964-1-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/memory/964-3-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/memory/964-2-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/memory/964-5-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/memory/964-7-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/memory/964-6-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/memory/964-4-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/files/0x000a000000023baa-13.dat themida behavioral2/memory/964-21-0x00000000002C0000-0x0000000000813000-memory.dmp themida behavioral2/memory/2360-22-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2360-20-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2360-24-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2360-26-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2360-28-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2360-25-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2360-23-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2360-27-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2360-29-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-32-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-33-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-34-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-35-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-38-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-39-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-37-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-36-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/1608-41-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/968-51-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/968-54-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/968-55-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/968-53-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/968-52-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/968-50-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/968-49-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/968-56-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2640-64-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2640-68-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2640-70-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2640-69-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2640-67-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2640-66-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2640-65-0x00000000004C0000-0x0000000000A13000-memory.dmp themida behavioral2/memory/2640-71-0x00000000004C0000-0x0000000000A13000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 81a4f7431b9301dab895845028bbfe10_NEAS.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorta.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorta.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorta.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorta.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorta.job 81a4f7431b9301dab895845028bbfe10_NEAS.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 964 wrote to memory of 2360 964 81a4f7431b9301dab895845028bbfe10_NEAS.exe 84 PID 964 wrote to memory of 2360 964 81a4f7431b9301dab895845028bbfe10_NEAS.exe 84 PID 964 wrote to memory of 2360 964 81a4f7431b9301dab895845028bbfe10_NEAS.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\81a4f7431b9301dab895845028bbfe10_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\81a4f7431b9301dab895845028bbfe10_NEAS.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:964 -
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
- Checks whether UAC is enabled
PID:2360
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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
- Checks whether UAC is enabled
PID:1608
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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
- Checks whether UAC is enabled
PID:968
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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
- Checks whether UAC is enabled
PID:2640
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.7MB
MD581a4f7431b9301dab895845028bbfe10
SHA1a0aeaee53db9e246e19491c459987bf90e3fde0d
SHA256d7d528eb8adbe8e6140b922830d6def2ff83b2648c77c78ae6061e12ae713bbc
SHA512bbac42e2962d0543ed765747d7e93c0ff66865339ba4b1b80392268c98c264aa5967371789d0ba01464c719b10c5ec1a0450c3633e46b8286bdeba8dab9e9133