Analysis
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max time kernel
140s -
max time network
154s -
platform
windows10-1703_x64 -
resource
win10-20230831-en -
resource tags
arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system -
submitted
08-09-2023 11:28
Static task
static1
General
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Target
203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe
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Size
2.6MB
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MD5
3f821e69fe1b38097b29ac284016858a
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SHA1
3995cad76f1313243e5c8abce901876638575341
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SHA256
203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08
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SHA512
704a799fae6f6139f9c66a1f11bff243a4381ff69028b1fc1f903c8c75d303a9769b6843c67f794c1c85dd9b10dd1c07bead63702a2f077cb467e5a50c99d5d7
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SSDEEP
49152:/oLi8Bd2MIUueEcBY6rCYIvkQIIZB9mnJWUyzD8A04Z/f8I:ALi8B0MiCBbC3IIZB9cKzomZ/kI
Malware Config
Extracted
laplas
http://lpls.tuktuk.ug
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
Signatures
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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__ 203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.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 203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 4016 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2398454716-3289288241-2843025796-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4564 203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe 4016 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 3 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4564 wrote to memory of 4016 4564 203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe 69 PID 4564 wrote to memory of 4016 4564 203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe"C:\Users\Admin\AppData\Local\Temp\203abb4fef06659cf437ca0d5c338b7e0ed1add2645361ba92ab5aab6e3a0e08.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
790.6MB
MD5de9dc1ef221b5407525197b8a1bae472
SHA1182baee3b43e7e02574d6bd5d42151a2afc777a2
SHA256f291dcdcaf08cba2e4bbfcaaa637e807d73b072596b6de8eedf0b560a5b98c71
SHA51255910028453ec284dfa3f45e1600aafde21abe5a002e25e2b94d5dc3de71763b585996ac2e44f2b46e9333ad74f8afa98f96a819b857890a7daf1cfa77cd3f97