Analysis
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max time kernel
294s -
max time network
256s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
24-05-2024 00:49
Behavioral task
behavioral1
Sample
8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe
Resource
win7-20240221-en
General
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Target
8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe
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Size
1.5MB
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MD5
6bec6852c17c6815c5c284045fe249f4
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SHA1
75d8db0295ab42dabc0786ef2a696102d405da2f
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SHA256
8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace
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SHA512
779371b8d3fd5c8c78c6cf2933bc72c1a3a161f401bddaf0c9a3ebedbfa4b732b9b3c262d407ca927efe0bbad4ff26b9d26e2bbabc3023fc22fd785bb1369ea2
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SSDEEP
24576:zCD7a8eEHRyci1Yg92Y0KE1rFz2ECkNPW4WsgzBmP+3wsxh/u+:4aVEHR/i1Y2rE1rQ/jT9i+gsxBb
Malware Config
Extracted
amadey
4.20
18befc
http://5.42.96.141
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install_dir
908f070dff
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install_file
explorku.exe
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strings_key
b25a9385246248a95c600f9a061438e1
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url_paths
/go34ko8/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 7 IoCs
Processes:
explorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exe8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.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__ explorku.exe 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__ 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe -
Checks BIOS information in registry 2 TTPs 14 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.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 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\SystemBiosVersion 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorku.exe -
Executes dropped EXE 6 IoCs
Processes:
explorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exepid process 4028 explorku.exe 168 explorku.exe 1220 explorku.exe 5072 explorku.exe 648 explorku.exe 4652 explorku.exe -
Processes:
resource yara_rule behavioral2/memory/1680-0-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida behavioral2/memory/1680-3-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida behavioral2/memory/1680-2-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida behavioral2/memory/1680-5-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida behavioral2/memory/1680-7-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida behavioral2/memory/1680-6-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida behavioral2/memory/1680-4-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida behavioral2/memory/1680-1-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe themida behavioral2/memory/4028-18-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/4028-21-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/4028-20-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/4028-19-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1680-17-0x0000000000CF0000-0x00000000011D5000-memory.dmp themida behavioral2/memory/4028-22-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/4028-25-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/4028-24-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/4028-23-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-31-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-32-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-33-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-30-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-28-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-29-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-27-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-34-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/168-35-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/4028-36-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-43-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-45-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-50-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-49-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-47-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-46-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-48-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-44-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/1220-52-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/5072-61-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/5072-60-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/5072-62-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/5072-64-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/5072-66-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/5072-65-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/5072-63-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/5072-67-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/648-75-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/648-77-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/648-79-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/648-80-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/648-78-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/648-76-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/648-81-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/648-83-0x0000000001070000-0x0000000001555000-memory.dmp themida behavioral2/memory/4652-99-0x0000000001070000-0x0000000001555000-memory.dmp themida -
Processes:
8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.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 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:
8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exedescription ioc process File created C:\Windows\Tasks\explorku.job 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.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
Processes:
8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exedescription pid process target process PID 1680 wrote to memory of 4028 1680 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe explorku.exe PID 1680 wrote to memory of 4028 1680 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe explorku.exe PID 1680 wrote to memory of 4028 1680 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe explorku.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe"C:\Users\Admin\AppData\Local\Temp\8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.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:1680 -
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:4028
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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:168
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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:1220
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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:5072
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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:648
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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:4652
Network
MITRE ATT&CK Enterprise v15
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Downloads
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Filesize
1.5MB
MD56bec6852c17c6815c5c284045fe249f4
SHA175d8db0295ab42dabc0786ef2a696102d405da2f
SHA2568c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace
SHA512779371b8d3fd5c8c78c6cf2933bc72c1a3a161f401bddaf0c9a3ebedbfa4b732b9b3c262d407ca927efe0bbad4ff26b9d26e2bbabc3023fc22fd785bb1369ea2