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Analysis
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max time kernel
141s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
23/01/2025, 18:43
Static task
static1
Behavioral task
behavioral1
Sample
random.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
random.exe
Resource
win10v2004-20241007-en
General
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Target
random.exe
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Size
1.8MB
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MD5
d8385d260d11ce4c3ba395df5655e5c1
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SHA1
6580a1ebe6e92cde8f6f619f3ac10b77d0fd0108
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SHA256
ab45aef26f5e3abf89c5881c2bda82b8499038ee90b100d6733dffc11e779118
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SHA512
17532da0f0452b74dc11f59c425cdbf4fae0cdcebf5af50c6a0f1f8bbbdd661af7079fabe4e275d5f9431bd6f812f0634c26696117e8978d168482836cb06828
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SSDEEP
49152:pCPqZosxNFVMhLrfmtGwScDkZ8rV4fVu78i7kZ:EqO/LrfpnZhfV286
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__ random.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 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 random.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion random.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion skotes.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion skotes.exe -
Executes dropped EXE 1 IoCs
pid Process 2820 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-1-5-21-2039016743-699959520-214465309-1000\Software\Wine skotes.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Wine random.exe -
Loads dropped DLL 2 IoCs
pid Process 1600 random.exe 1600 random.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1600 random.exe 2820 skotes.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\skotes.job random.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 random.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language skotes.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1600 random.exe 2820 skotes.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1600 random.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1600 wrote to memory of 2820 1600 random.exe 30 PID 1600 wrote to memory of 2820 1600 random.exe 30 PID 1600 wrote to memory of 2820 1600 random.exe 30 PID 1600 wrote to memory of 2820 1600 random.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\random.exe"C:\Users\Admin\AppData\Local\Temp\random.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:1600 -
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)
- 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:2820
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5d8385d260d11ce4c3ba395df5655e5c1
SHA16580a1ebe6e92cde8f6f619f3ac10b77d0fd0108
SHA256ab45aef26f5e3abf89c5881c2bda82b8499038ee90b100d6733dffc11e779118
SHA51217532da0f0452b74dc11f59c425cdbf4fae0cdcebf5af50c6a0f1f8bbbdd661af7079fabe4e275d5f9431bd6f812f0634c26696117e8978d168482836cb06828