Analysis
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max time kernel
141s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
27-01-2025 08:14
Static task
static1
Behavioral task
behavioral1
Sample
7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe
Resource
win7-20240729-en
General
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Target
7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe
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Size
3.1MB
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MD5
3fb49282f1c411d2d84177bacf897e08
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SHA1
97d9a1e8ccb78640a74824e1e3172b9a45626552
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SHA256
7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6
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SHA512
bf9d31d629836445a12c8b5d6869950ac0e6b6bdec505ad28d08721fc48ad89728bd84961e6a4625ac2c57f707665c58d3e11e066067d4104b78fa5884067e61
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SSDEEP
49152:9OMI28YSlwJngtXZyzBptdDXFJ7evWS4RRB:g28FwJngtJyzBZDVUvZ4vB
Malware Config
Extracted
amadey
4.42
9c9aa5
http://185.215.113.43
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install_dir
abc3bc1985
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install_file
skotes.exe
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strings_key
8a35cf2ea38c2817dba29a4b5b25dcf0
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url_paths
/Zu7JuNko/index.php
Signatures
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Amadey family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ skotes.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe -
Downloads MZ/PE file 1 IoCs
flow pid Process 12 476 skotes.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion skotes.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion skotes.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe -
Executes dropped EXE 1 IoCs
pid Process 476 skotes.exe -
Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine skotes.exe -
Loads dropped DLL 1 IoCs
pid Process 1976 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1976 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe 476 skotes.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\skotes.job 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language skotes.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1976 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe 476 skotes.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1976 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1976 wrote to memory of 476 1976 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe 30 PID 1976 wrote to memory of 476 1976 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe 30 PID 1976 wrote to memory of 476 1976 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe 30 PID 1976 wrote to memory of 476 1976 7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe"C:\Users\Admin\AppData\Local\Temp\7b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Downloads MZ/PE file
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:476
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.1MB
MD53fb49282f1c411d2d84177bacf897e08
SHA197d9a1e8ccb78640a74824e1e3172b9a45626552
SHA2567b3bf81aab1f05c1a2dcf0be6a815da74d2f1e5f47cf29ba977561b47a3ad9d6
SHA512bf9d31d629836445a12c8b5d6869950ac0e6b6bdec505ad28d08721fc48ad89728bd84961e6a4625ac2c57f707665c58d3e11e066067d4104b78fa5884067e61