Analysis
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max time kernel
290s -
max time network
300s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2023 22:55
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 ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe -
Executes dropped EXE 1 IoCs
pid Process 3964 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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 696 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 3964 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 17 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 696 wrote to memory of 3964 696 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 83 PID 696 wrote to memory of 3964 696 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 83
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
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:696 -
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:3964
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
847.2MB
MD59186016460f1300e53f262e55b8d0fbc
SHA1299eb867f678d29e4d0e8c09150f94c608d48e24
SHA25663c589a7c32f74d9d9b2bd9caf6604952549dc71a9e865c9e80d6c80bafb7d08
SHA512111d5ba80c19aea492cd5fc512337227decc39359dfcee421a4817d0478fdc845700a1a1883a2ad28030292a8772a0c73fa1c5157b18b265a8cd6b282c0a9c8f
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Filesize
847.2MB
MD59186016460f1300e53f262e55b8d0fbc
SHA1299eb867f678d29e4d0e8c09150f94c608d48e24
SHA25663c589a7c32f74d9d9b2bd9caf6604952549dc71a9e865c9e80d6c80bafb7d08
SHA512111d5ba80c19aea492cd5fc512337227decc39359dfcee421a4817d0478fdc845700a1a1883a2ad28030292a8772a0c73fa1c5157b18b265a8cd6b282c0a9c8f