Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
21-05-2024 17:08
Behavioral task
behavioral1
Sample
9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe
Resource
win10v2004-20240226-en
General
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Target
9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe
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Size
1.7MB
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MD5
467a7c22a78c161768f4fc1f37a75219
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SHA1
efea6eb37983259072275702d12730e402a6d611
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SHA256
9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8
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SHA512
17ed24670e4944bd065fe790ebe4ed3c01efda9142e8d128341b05b9cc6a3945529fb1572d22df7707a110e2120e810b1fd614fd2332aa7a25636a3ad9cb0ea3
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SSDEEP
49152:UVeTqMV80dK8kyNI9uy135VH3fRpBZ0xc9vG61J:UV+qp07kyNIt13TJyxojJ
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 4 IoCs
Processes:
explorku.exeexplorku.exe9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.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__ 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.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.exeexplorku.exeexplorku.exe9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exedescription ioc process 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 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe -
Executes dropped EXE 3 IoCs
Processes:
explorku.exeexplorku.exeexplorku.exepid process 3132 explorku.exe 804 explorku.exe 2884 explorku.exe -
Processes:
resource yara_rule behavioral1/memory/1496-0-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/1496-1-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/1496-3-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/1496-2-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/1496-5-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/1496-6-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/1496-7-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/1496-4-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/1496-8-0x0000000000620000-0x0000000000B66000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe themida behavioral1/memory/3132-23-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/3132-24-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/3132-25-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/3132-22-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/1496-21-0x0000000000620000-0x0000000000B66000-memory.dmp themida behavioral1/memory/3132-27-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/3132-26-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/3132-28-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/3132-29-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/3132-30-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/3132-31-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-40-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-39-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-37-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-38-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-44-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-45-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-43-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-41-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-42-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/804-46-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/2884-54-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/2884-55-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/2884-56-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/2884-57-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/2884-59-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/2884-60-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/2884-58-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida behavioral1/memory/2884-61-0x0000000000FB0000-0x00000000014F6000-memory.dmp themida -
Processes:
9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.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:
9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exedescription ioc process File created C:\Windows\Tasks\explorku.job 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exepid process 1496 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exedescription pid process target process PID 1496 wrote to memory of 3132 1496 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe explorku.exe PID 1496 wrote to memory of 3132 1496 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe explorku.exe PID 1496 wrote to memory of 3132 1496 9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe explorku.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe"C:\Users\Admin\AppData\Local\Temp\9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1496 -
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:3132
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:81⤵PID:4428
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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:804
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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:2884
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.7MB
MD5467a7c22a78c161768f4fc1f37a75219
SHA1efea6eb37983259072275702d12730e402a6d611
SHA2569ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8
SHA51217ed24670e4944bd065fe790ebe4ed3c01efda9142e8d128341b05b9cc6a3945529fb1572d22df7707a110e2120e810b1fd614fd2332aa7a25636a3ad9cb0ea3