Analysis
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max time kernel
140s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
30-04-2023 23:43
Static task
static1
Behavioral task
behavioral1
Sample
414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe
Resource
win7-20230220-en
General
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Target
414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe
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Size
3.2MB
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MD5
31f8c08862caa2ec10a82867dbdf188b
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SHA1
144d1037d253808aae23d2fa14d930a76bc7ad51
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SHA256
414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf
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SHA512
52288d822170c3d813258ed63d97975f5f3f6c0f0d3238fe54a38cfa80f8c675efec3d2ea3a23b15f6d37408f7419f5b17e28970116f919273451190f587083f
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SSDEEP
49152:CC9i1Db4FFMmKLZi9gOzDx8iE66tfvbFDfgC0JaRYHw3pjLMRzJwWlo1a4/0fH:xwF4FjGOzF8iAtbFDV0JaRm9RzJGkJv
Malware Config
Extracted
laplas
http://45.159.189.33
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api_key
d1a05de376c0be1daa56dfb2715c8a0c5df8a111b8b31decc886df1e48db7c9c
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__ 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.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 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.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 1768 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1352 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1352 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 1768 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 1 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1352 wrote to memory of 1768 1352 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 28 PID 1352 wrote to memory of 1768 1352 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 28 PID 1352 wrote to memory of 1768 1352 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe"C:\Users\Admin\AppData\Local\Temp\414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1352 -
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:1768
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
795.2MB
MD53d4feab2522028434011a1c4ab928754
SHA1ae2e1b875e405393c787eb9d2c0d02bcf99109c4
SHA256851ca055b2017658d412c7d37e4cb88d032c2985403df10da70457934c70e453
SHA512f261b00652687c9b0e5ff9bc2759fff3965a00d1e7693ffe2675cf88fa193e8028023921f9d219e4096161a4d82be45c2a52fb6518a46b7aa9ba902b59dafca8
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Filesize
795.2MB
MD53d4feab2522028434011a1c4ab928754
SHA1ae2e1b875e405393c787eb9d2c0d02bcf99109c4
SHA256851ca055b2017658d412c7d37e4cb88d032c2985403df10da70457934c70e453
SHA512f261b00652687c9b0e5ff9bc2759fff3965a00d1e7693ffe2675cf88fa193e8028023921f9d219e4096161a4d82be45c2a52fb6518a46b7aa9ba902b59dafca8