Analysis
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max time kernel
144s -
max time network
94s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-05-2024 01:34
Behavioral task
behavioral1
Sample
69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exe
Resource
win10v2004-20240508-en
General
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Target
69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exe
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Size
1.7MB
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MD5
dba239f15fb705f6090d500606545c3b
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SHA1
971fe42bcd4fbb4a0449fc8db867e21f4a1bdf1a
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SHA256
69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3
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SHA512
15b7461ce4b876329527845a2d24ff18fa712f3e71a1c8ae0ab4fe51047ae91eddf24e9548162431f8d93de361af6e9bdd1cf48dd18decca983999df45086c26
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SSDEEP
49152:PywE/WUJ9ZCxk/oN396Co6J+9a6o1yYmohV:Pq/l9PoNNU609HoP
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 5 IoCs
Processes:
explorku.exeexplorku.exe69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exeexplorku.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__ 69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe -
Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorku.exeexplorku.exeexplorku.exe69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.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 explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.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 4 IoCs
Processes:
explorku.exeexplorku.exeexplorku.exeexplorku.exepid process 4656 explorku.exe 3880 explorku.exe 1712 explorku.exe 3872 explorku.exe -
Processes:
resource yara_rule behavioral2/memory/2312-0-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/2312-1-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/2312-2-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/2312-5-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/2312-3-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/2312-7-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/2312-6-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/2312-4-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/2312-8-0x00000000001F0000-0x0000000000744000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe themida behavioral2/memory/2312-21-0x00000000001F0000-0x0000000000744000-memory.dmp themida behavioral2/memory/4656-22-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-24-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-29-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-25-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-28-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-27-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-26-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-23-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-30-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/4656-31-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-36-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-35-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-41-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-42-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-40-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-39-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-37-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-38-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-34-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3880-44-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-52-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-53-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-54-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-58-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-59-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-57-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-55-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-56-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/1712-61-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-70-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-71-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-75-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-73-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-74-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-72-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-69-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-76-0x0000000000330000-0x0000000000884000-memory.dmp themida behavioral2/memory/3872-77-0x0000000000330000-0x0000000000884000-memory.dmp themida -
Processes:
69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.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:
69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exedescription ioc process File created C:\Windows\Tasks\explorku.job 69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.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:
69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exedescription pid process target process PID 2312 wrote to memory of 4656 2312 69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exe explorku.exe PID 2312 wrote to memory of 4656 2312 69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exe explorku.exe PID 2312 wrote to memory of 4656 2312 69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exe explorku.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.exe"C:\Users\Admin\AppData\Local\Temp\69e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3.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:2312 -
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:4656
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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:3880
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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:1712
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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:3872
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.7MB
MD5dba239f15fb705f6090d500606545c3b
SHA1971fe42bcd4fbb4a0449fc8db867e21f4a1bdf1a
SHA25669e376be710cebaceea7d8d924f76ad792d435ddf93b6c0ccbdf21bddabc81c3
SHA51215b7461ce4b876329527845a2d24ff18fa712f3e71a1c8ae0ab4fe51047ae91eddf24e9548162431f8d93de361af6e9bdd1cf48dd18decca983999df45086c26