Analysis
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max time kernel
149s -
max time network
141s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-03-2024 05:48
Static task
static1
Behavioral task
behavioral1
Sample
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe
Resource
win10v2004-20240226-en
General
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Target
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe
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Size
1.9MB
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MD5
3754420df3c482019cd40c7796daafc7
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SHA1
e41398638097b43c7bc923fe860826958a0b713d
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SHA256
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2
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SHA512
709a185f2ee077b334a1da62c37bf5fa8dcf6a218e7ab4c79498f7ec3b9a44e9c073e30bb9057f2aac35429367909e7e66f190c5c492dc1c86052502ae99843c
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SSDEEP
49152:n27wrlvBU7wbExyf3KC3O3oHTpciOL/ik:n+cla0bE0/KCe3sqF
Malware Config
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
Processes:
explorha.exeexplorha.exeexplorha.exeb2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 3 4704 rundll32.exe 4 2996 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exeexplorha.exeexplorha.exeexplorha.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe -
Executes dropped EXE 4 IoCs
Processes:
explorha.exeexplorha.exeexplorha.exeexplorha.exepid process 420 explorha.exe 2708 explorha.exe 232 explorha.exe 1576 explorha.exe -
Identifies Wine through registry keys 2 TTPs 5 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exeexplorha.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1860 rundll32.exe 4704 rundll32.exe 2996 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exeexplorha.exeexplorha.exeexplorha.exepid process 3760 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe 420 explorha.exe 2708 explorha.exe 232 explorha.exe 1576 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exedescription ioc process File created C:\Windows\Tasks\explorha.job b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exeexplorha.exepid process 3760 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe 3760 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe 420 explorha.exe 420 explorha.exe 4704 rundll32.exe 4704 rundll32.exe 4704 rundll32.exe 4704 rundll32.exe 4704 rundll32.exe 4704 rundll32.exe 4704 rundll32.exe 4704 rundll32.exe 4704 rundll32.exe 4704 rundll32.exe 3160 powershell.exe 3160 powershell.exe 2708 explorha.exe 2708 explorha.exe 232 explorha.exe 232 explorha.exe 1576 explorha.exe 1576 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3160 powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 3760 wrote to memory of 420 3760 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe explorha.exe PID 3760 wrote to memory of 420 3760 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe explorha.exe PID 3760 wrote to memory of 420 3760 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe explorha.exe PID 420 wrote to memory of 1860 420 explorha.exe rundll32.exe PID 420 wrote to memory of 1860 420 explorha.exe rundll32.exe PID 420 wrote to memory of 1860 420 explorha.exe rundll32.exe PID 1860 wrote to memory of 4704 1860 rundll32.exe rundll32.exe PID 1860 wrote to memory of 4704 1860 rundll32.exe rundll32.exe PID 4704 wrote to memory of 3780 4704 rundll32.exe netsh.exe PID 4704 wrote to memory of 3780 4704 rundll32.exe netsh.exe PID 4704 wrote to memory of 3160 4704 rundll32.exe powershell.exe PID 4704 wrote to memory of 3160 4704 rundll32.exe powershell.exe PID 420 wrote to memory of 2996 420 explorha.exe rundll32.exe PID 420 wrote to memory of 2996 420 explorha.exe rundll32.exe PID 420 wrote to memory of 2996 420 explorha.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe"C:\Users\Admin\AppData\Local\Temp\b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3760 -
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:420 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1860 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:3780
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\594324687199_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3160 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:2996
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2708
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:232
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1576
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.9MB
MD53754420df3c482019cd40c7796daafc7
SHA1e41398638097b43c7bc923fe860826958a0b713d
SHA256b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2
SHA512709a185f2ee077b334a1da62c37bf5fa8dcf6a218e7ab4c79498f7ec3b9a44e9c073e30bb9057f2aac35429367909e7e66f190c5c492dc1c86052502ae99843c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD5726cd06231883a159ec1ce28dd538699
SHA1404897e6a133d255ad5a9c26ac6414d7134285a2
SHA25612fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
SHA5129ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
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Filesize
1.2MB
MD515a42d3e4579da615a384c717ab2109b
SHA122aeedeb2307b1370cdab70d6a6b6d2c13ad2301
SHA2563c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
SHA5121eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444