Analysis
- max time kernel
293s - max time network
299s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system - submitted
30/05/2024, 23:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe
Resource
win7-20231129-en
16 signatures
300 seconds
General
- Target ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe
- Size 1.8MB
- Sample240530-3m641aee5y
- SHA256 ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d
- MD5 4c0dd50a592a3e148f7fdff9be9257b3
- SHA1 31302b72469f10eeecca30ad7484802422587c21
- SHA512 f77adf77d019056be365d80dccb8bb47d72166af6e40c875f9470434ce452061138c1d1b174edfd9a9c282150ac40fb2a79fc15e61038c591ca0584936954f52
- SSDEEP 49152:/enivSVjodL2a9u8C7GE5202jWeMfzpY8jwonv:/wivSx7a9ulGV02WlWCBv
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.21
Botnet
-
0e6740
C2
-
http://147.45.47.155
Attributes
-
install_dir
9217037dc9
-
install_file
explortu.exe
-
strings_key
8e894a8a4a3d0da8924003a561cfb244
-
url_paths
/ku4Nor9/index.php
rc4.plain
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 7 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe - Checks BIOS information in registry 2 TTPs 14 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe - Executes dropped EXE 6 IoCs
pid Process 4632 explortu.exe 784 explortu.exe 3544 explortu.exe 4548 explortu.exe 5100 explortu.exe 1628 explortu.exe - Identifies Wine through registry keys 2 TTPs 7 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-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe Key opened \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine explortu.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs
pid Process 1448 ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe 4632 explortu.exe 784 explortu.exe 3544 explortu.exe 4548 explortu.exe 5100 explortu.exe 1628 explortu.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1448 ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe 1448 ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe 4632 explortu.exe 4632 explortu.exe 784 explortu.exe 784 explortu.exe 3544 explortu.exe 3544 explortu.exe 4548 explortu.exe 4548 explortu.exe 5100 explortu.exe 5100 explortu.exe 1628 explortu.exe 1628 explortu.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1448 wrote to memory of 4632 1448 ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe 73 PID 1448 wrote to memory of 4632 1448 ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe 73 PID 1448 wrote to memory of 4632 1448 ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe 73
Processes
-
C:\Users\Admin\AppData\Local\Temp\ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.exe"C:\Users\Admin\AppData\Local\Temp\ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d.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:1448 -
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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
PID:4632
-
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:784
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:3544
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4548
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:5100
-
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:1628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
- Size 1.8MB
- SHA256 ef0db9bfb85e8a883ac898bf90bdb649a5548ab8c83c25d7c8d5cffe750e661d
- MD5 4c0dd50a592a3e148f7fdff9be9257b3
- SHA1 31302b72469f10eeecca30ad7484802422587c21
- SHA512 f77adf77d019056be365d80dccb8bb47d72166af6e40c875f9470434ce452061138c1d1b174edfd9a9c282150ac40fb2a79fc15e61038c591ca0584936954f52
- SSDEEP 49152:/enivSVjodL2a9u8C7GE5202jWeMfzpY8jwonv:/wivSx7a9ulGV02WlWCBv
- MD5 SHA1 SHA512 SSDEEP