Analysis
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max time kernel
144s -
max time network
137s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
28/03/2024, 06:10
Static task
static1
Behavioral task
behavioral1
Sample
44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe
Resource
win10v2004-20240226-en
General
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Target
44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe
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Size
1.9MB
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MD5
d4daf2b0fd5a90ea95067e4cb98befdc
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SHA1
03abe4de859e462bcaab0b1861fb852588946e3a
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SHA256
44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123
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SHA512
6181843c9ebf447f54c121b5fc12cb87a57a28cec913abcac5e57a71bc49848764135766a94b6789ad436fe6e2f9287a1bcc515e9f5386a11e727f5af852c6f1
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SSDEEP
49152:MVFQzzTb1Ed/X+KZHEpooKERXUs32kCTgT:Mb4TbzOH07bVUs32Jg
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 4 IoCs
description 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__ 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Blocklisted process makes network request 2 IoCs
flow pid Process 3 1068 rundll32.exe 4 4812 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process 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 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.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 -
Executes dropped EXE 3 IoCs
pid Process 3052 explorha.exe 2760 explorha.exe 2364 explorha.exe -
Identifies Wine through registry keys 2 TTPs 4 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
pid Process 4836 rundll32.exe 1068 rundll32.exe 4812 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 4 IoCs
pid Process 1536 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe 3052 explorha.exe 2760 explorha.exe 2364 explorha.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1536 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe 1536 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe 3052 explorha.exe 3052 explorha.exe 1068 rundll32.exe 1068 rundll32.exe 1068 rundll32.exe 1068 rundll32.exe 1068 rundll32.exe 1068 rundll32.exe 1068 rundll32.exe 1068 rundll32.exe 1068 rundll32.exe 1068 rundll32.exe 4868 powershell.exe 4868 powershell.exe 2760 explorha.exe 2760 explorha.exe 2364 explorha.exe 2364 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4868 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1536 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1536 wrote to memory of 3052 1536 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe 78 PID 1536 wrote to memory of 3052 1536 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe 78 PID 1536 wrote to memory of 3052 1536 44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe 78 PID 3052 wrote to memory of 4836 3052 explorha.exe 79 PID 3052 wrote to memory of 4836 3052 explorha.exe 79 PID 3052 wrote to memory of 4836 3052 explorha.exe 79 PID 4836 wrote to memory of 1068 4836 rundll32.exe 80 PID 4836 wrote to memory of 1068 4836 rundll32.exe 80 PID 1068 wrote to memory of 4372 1068 rundll32.exe 81 PID 1068 wrote to memory of 4372 1068 rundll32.exe 81 PID 1068 wrote to memory of 4868 1068 rundll32.exe 83 PID 1068 wrote to memory of 4868 1068 rundll32.exe 83 PID 3052 wrote to memory of 4812 3052 explorha.exe 85 PID 3052 wrote to memory of 4812 3052 explorha.exe 85 PID 3052 wrote to memory of 4812 3052 explorha.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.exe"C:\Users\Admin\AppData\Local\Temp\44f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1536 -
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:3052 -
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:4836 -
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:1068 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:4372
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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\181651180316_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4868
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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:4812
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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:2760
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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:2364
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.9MB
MD5d4daf2b0fd5a90ea95067e4cb98befdc
SHA103abe4de859e462bcaab0b1861fb852588946e3a
SHA25644f5a26b521c766ebdb88555ae3b1b68518cc54baf1d7ef6ce891cc8ccc61123
SHA5126181843c9ebf447f54c121b5fc12cb87a57a28cec913abcac5e57a71bc49848764135766a94b6789ad436fe6e2f9287a1bcc515e9f5386a11e727f5af852c6f1
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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