Analysis
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max time kernel
144s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
21-05-2024 23:21
Behavioral task
behavioral1
Sample
1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe
Resource
win10v2004-20240426-en
General
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Target
1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe
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Size
1.7MB
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MD5
aae4629d8437f2605900341f92491048
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SHA1
ea76eed227f4e97ca1e3f8504880b69b239807e5
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SHA256
1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1
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SHA512
3d4fa487b28282f4c7c6107cf79e2c0a5996d5ab5613f6a369a73b3a1ee053b6a20cb6a6212621e3a171786e89742e4fc61b81c2f4e81472decef7164ba4de4a
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SSDEEP
49152:axA8A+obluygb5OLY/vK23dMmiRybET8Ar:X8AdvIu6V3CybE4e
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:
1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.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 -
Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorku.exeexplorku.exeexplorku.exe1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.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 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.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:
1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe -
Executes dropped EXE 3 IoCs
Processes:
explorku.exeexplorku.exeexplorku.exepid process 2804 explorku.exe 3924 explorku.exe 3700 explorku.exe -
Processes:
resource yara_rule behavioral1/memory/2596-0-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida behavioral1/memory/2596-1-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida behavioral1/memory/2596-2-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida behavioral1/memory/2596-5-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida behavioral1/memory/2596-7-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida behavioral1/memory/2596-6-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida behavioral1/memory/2596-3-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida behavioral1/memory/2596-4-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe themida behavioral1/memory/2596-20-0x0000000000EA0000-0x00000000013E6000-memory.dmp themida behavioral1/memory/2804-21-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/2804-22-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/2804-23-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/2804-24-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/2804-26-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/2804-27-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/2804-28-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/2804-25-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/2804-29-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-34-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-36-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-37-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-41-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-40-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-39-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-38-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-35-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3924-42-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-50-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-51-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-53-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-56-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-55-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-54-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-52-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-57-0x0000000000300000-0x0000000000846000-memory.dmp themida behavioral1/memory/3700-59-0x0000000000300000-0x0000000000846000-memory.dmp themida -
Processes:
1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.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:
1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exedescription ioc process File created C:\Windows\Tasks\explorku.job 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.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:
1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exedescription pid process target process PID 2596 wrote to memory of 2804 2596 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe explorku.exe PID 2596 wrote to memory of 2804 2596 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe explorku.exe PID 2596 wrote to memory of 2804 2596 1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe explorku.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe"C:\Users\Admin\AppData\Local\Temp\1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.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:2596 -
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:2804
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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:3924
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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:3700
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.7MB
MD5aae4629d8437f2605900341f92491048
SHA1ea76eed227f4e97ca1e3f8504880b69b239807e5
SHA2561472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1
SHA5123d4fa487b28282f4c7c6107cf79e2c0a5996d5ab5613f6a369a73b3a1ee053b6a20cb6a6212621e3a171786e89742e4fc61b81c2f4e81472decef7164ba4de4a