Analysis
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max time kernel
291s -
max time network
258s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
22-07-2023 04:49
Static task
static1
Behavioral task
behavioral1
Sample
6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe
Resource
win7-20230712-en
General
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Target
6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe
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Size
4.4MB
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MD5
24c40e66db640789a022cb839b28d476
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SHA1
b6000f4b0e71ce952267e7e5728bc4181877c497
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SHA256
6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f
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SHA512
481240b66ac8eb61b8a9aa6e22e14abdffba7869695c7b92214029a714b619319d3c50bc640e79bf790de309d5a412f4e0fecabc1082acd52d1984c8c8f8f0cd
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SSDEEP
98304:/C0+qzz+DpM8iptpFvoyDz8nFEPlSV20WKeaGLjc1TLAOjs5O:K0X2dM8iPpF/Dz8nFSl90WWGLjc1HAOd
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__ 6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.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\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 304 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1148472871-1113856141-1322182616-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1100 6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe 304 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 1100 wrote to memory of 304 1100 6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe 70 PID 1100 wrote to memory of 304 1100 6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.exe"C:\Users\Admin\AppData\Local\Temp\6bbcf743fa00cfa33aa60a923d319850111d610b44cfdbe1b5dc6c672f177a8f.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:1100 -
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:304
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
742.4MB
MD5864b64badd7d55521175ec57aa7ade2f
SHA130bbb7a733bebde0b54b0c2c1fe6cac9b9b111ca
SHA256ba376a883e6cf8190d188c890f8224bab2b7c91358d5bd0c9e750d065aaae2ea
SHA51214c03a4cbe38f61db42d0d19c7d9a799b10b65ff67e502ee1d120a141637ac53bcee5e0d1805ae098c6e91cb4e354a0f1c117cf52b88661f7331ed8a10106b44
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Filesize
742.4MB
MD5864b64badd7d55521175ec57aa7ade2f
SHA130bbb7a733bebde0b54b0c2c1fe6cac9b9b111ca
SHA256ba376a883e6cf8190d188c890f8224bab2b7c91358d5bd0c9e750d065aaae2ea
SHA51214c03a4cbe38f61db42d0d19c7d9a799b10b65ff67e502ee1d120a141637ac53bcee5e0d1805ae098c6e91cb4e354a0f1c117cf52b88661f7331ed8a10106b44