Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
Extracted
amadey
4.18
http://193.233.132.56
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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.exeexplorha.exeb2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.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__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 44 4440 rundll32.exe 45 1484 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\SystemBiosVersion b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.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\VideoBiosVersion b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.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 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation explorha.exe -
Executes dropped EXE 4 IoCs
Processes:
explorha.exeexplorha.exeexplorha.exeexplorha.exepid process 4272 explorha.exe 4688 explorha.exe 776 explorha.exe 2928 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:
explorha.exeexplorha.exeexplorha.exeb2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1996 rundll32.exe 4440 rundll32.exe 1484 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 2600 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe 4272 explorha.exe 4688 explorha.exe 776 explorha.exe 2928 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 23 IoCs
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exeexplorha.exepid process 2600 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe 2600 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe 4272 explorha.exe 4272 explorha.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 2404 powershell.exe 2404 powershell.exe 2404 powershell.exe 4688 explorha.exe 4688 explorha.exe 776 explorha.exe 776 explorha.exe 2928 explorha.exe 2928 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2404 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exepid process 2600 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 2600 wrote to memory of 4272 2600 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe explorha.exe PID 2600 wrote to memory of 4272 2600 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe explorha.exe PID 2600 wrote to memory of 4272 2600 b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe explorha.exe PID 4272 wrote to memory of 1996 4272 explorha.exe rundll32.exe PID 4272 wrote to memory of 1996 4272 explorha.exe rundll32.exe PID 4272 wrote to memory of 1996 4272 explorha.exe rundll32.exe PID 1996 wrote to memory of 4440 1996 rundll32.exe rundll32.exe PID 1996 wrote to memory of 4440 1996 rundll32.exe rundll32.exe PID 4440 wrote to memory of 924 4440 rundll32.exe netsh.exe PID 4440 wrote to memory of 924 4440 rundll32.exe netsh.exe PID 4440 wrote to memory of 2404 4440 rundll32.exe powershell.exe PID 4440 wrote to memory of 2404 4440 rundll32.exe powershell.exe PID 4272 wrote to memory of 1484 4272 explorha.exe rundll32.exe PID 4272 wrote to memory of 1484 4272 explorha.exe rundll32.exe PID 4272 wrote to memory of 1484 4272 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
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2600 -
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
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4272 -
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:1996 -
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:4440 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:924
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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\098131212907_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404 -
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:1484
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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:4688
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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:776
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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:2928
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
896KB
MD5c19520f31c8a9915bad6f32b007b1947
SHA10a69ed96026eff6e786ae0888596d40b82fa3721
SHA25639378a4c86f4c2b996b4e334d4addf8811034db11ae2b3c129536440747ad6a5
SHA5126054ed38746d5ae76491840a7b510cd3871fe2563821a4c6fcd231d6b095c789a25779c7c9e1f8a76c9174d4e32b4e768cc46a206ab7685f458d431144b3741d
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Filesize
1.9MB
MD53754420df3c482019cd40c7796daafc7
SHA1e41398638097b43c7bc923fe860826958a0b713d
SHA256b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2
SHA512709a185f2ee077b334a1da62c37bf5fa8dcf6a218e7ab4c79498f7ec3b9a44e9c073e30bb9057f2aac35429367909e7e66f190c5c492dc1c86052502ae99843c
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Filesize
512KB
MD55e38e0d16e5d9bbc856086a64df50496
SHA17c7e3e1a2123f9d10330bbf67ce3b6d98168e2c8
SHA2564e4441c717055fffe6de82d515088425b11ef8bb6ff02500c1f5f524864e0aa0
SHA512f92828b3df6e24c95202b8620966c6ceb3ac0b086e152435548a840d9e28aecdcb3c11eced36f6491765dc08d6b45d5fcd90ee09df9871bdeeb445bc1a22637e
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Filesize
560KB
MD5ad25d963c5718bf329db6589abb46b8e
SHA1aa4c56fa08104b168675e8a5254918dde2c3fa43
SHA2560143089b7f6df90cddba6a3fca9b1318c6f29124b8a09e9e95f0be0d6acd3333
SHA51205dcb34d721312b536d59bcf8eefae331ebdbbe228aaff08d9f3faae0d51886acfc24d3bf8e94f64ece7bf84559a7755e0c0f732af298d2b934c09a3abb2deb4
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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
29KB
MD5c37acdec3427830a59713fbfabbfc66e
SHA1bd5ac8c735f508570b92640104c88040f7ea252b
SHA25642c8d392e8b488bf86b55ca4d92288eecae904d1949b7190be82ec266da38599
SHA51249d65b8e01a09db6b3a36857fbedd9adde5bee10ad5273a5669f1deac4d5cf3ac7a76478882772bd8f7f36e18cd6ad4f4a10e392811b32a9b9c07507989053ae
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Filesize
1.2MB
MD515a42d3e4579da615a384c717ab2109b
SHA122aeedeb2307b1370cdab70d6a6b6d2c13ad2301
SHA2563c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
SHA5121eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444