Analysis
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max time kernel
142s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 10:30
Behavioral task
behavioral1
Sample
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exe
Resource
win7-20240221-en
General
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Target
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exe
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Size
1.7MB
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MD5
fef0d3ecc639b64c2fab02895f4a73bb
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SHA1
60c025eaa4a0fa90b21b105b6d65508cc208e0d9
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SHA256
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1
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SHA512
58732f4b1143bf9c536fa4d5400402ce5a66d0852ba7e745c95055e992d398a49c70f7ef375fbe8daa65fdd4602fe480b73a1383f9ea8f30ec0adfc7de7374a2
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SSDEEP
49152:16/udBwaO/4rnK9HfBqo8/xOCqlB4QB+QVTq:16GdBwtknK9sNxZMB4Fd
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:
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.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 -
Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.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 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exe -
Executes dropped EXE 4 IoCs
Processes:
explorku.exeexplorku.exeexplorku.exeexplorku.exepid process 4460 explorku.exe 5116 explorku.exe 64 explorku.exe 3196 explorku.exe -
Processes:
resource yara_rule behavioral2/memory/3468-2-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/3468-0-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/3468-1-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/3468-3-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/3468-7-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/3468-8-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/3468-6-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/3468-4-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/3468-5-0x0000000000CF0000-0x0000000001240000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe themida behavioral2/memory/4460-25-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/4460-24-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/4460-29-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/4460-28-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/4460-27-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/4460-26-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/4460-22-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/4460-23-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3468-21-0x0000000000CF0000-0x0000000001240000-memory.dmp themida behavioral2/memory/4460-30-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-32-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-37-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-36-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-39-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-38-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-35-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-34-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-33-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-40-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/5116-42-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/4460-43-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-50-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-52-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-55-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-57-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-56-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-54-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-53-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-51-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/64-58-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3196-66-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3196-67-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3196-72-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3196-71-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3196-68-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3196-69-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3196-70-0x00000000007E0000-0x0000000000D30000-memory.dmp themida behavioral2/memory/3196-73-0x00000000007E0000-0x0000000000D30000-memory.dmp themida -
Processes:
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exeexplorku.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.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:
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exedescription ioc process File created C:\Windows\Tasks\explorku.job ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.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:
ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exedescription pid process target process PID 3468 wrote to memory of 4460 3468 ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exe explorku.exe PID 3468 wrote to memory of 4460 3468 ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exe explorku.exe PID 3468 wrote to memory of 4460 3468 ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exe explorku.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.exe"C:\Users\Admin\AppData\Local\Temp\ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1.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:3468 -
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:4460
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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:5116
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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:64
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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:3196
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.7MB
MD5fef0d3ecc639b64c2fab02895f4a73bb
SHA160c025eaa4a0fa90b21b105b6d65508cc208e0d9
SHA256ae1633171bd78723b05ac3f16dc1873090b639f3718ca6e68593c58350a021e1
SHA51258732f4b1143bf9c536fa4d5400402ce5a66d0852ba7e745c95055e992d398a49c70f7ef375fbe8daa65fdd4602fe480b73a1383f9ea8f30ec0adfc7de7374a2