Analysis
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max time kernel
143s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02-06-2023 11:42
Static task
static1
Behavioral task
behavioral1
Sample
7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe
Resource
win7-20230220-en
General
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Target
7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe
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Size
4.1MB
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MD5
4742e0688ce362617543f397bf5ed237
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SHA1
4ccf29df9bae0f0ab761cc52f2186ec11a172352
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SHA256
7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1
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SHA512
f22451e29ea7dd0c35fb7e5149a4ca3c4be25d4fd648643bcc9b77240568e11219309cac443533c76e2b50ea0b5a8118cb6a12df07b3af9ad190ded8ab8db3cb
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SSDEEP
98304:vNOGFwVfxGnThmA1txolQK+fBKV7mYbdC:vAGY8nThmlP+fYV7mYRC
Malware Config
Extracted
laplas
http://185.209.161.89
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api_key
6a2714906f1325d666e4cf9f6269c2352ccfb7e7f1a23c114287dc69ddf27cb0
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__ ntlhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.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 7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 772 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4116 7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe 772 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 19 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4116 wrote to memory of 772 4116 7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe 82 PID 4116 wrote to memory of 772 4116 7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.exe"C:\Users\Admin\AppData\Local\Temp\7de1d4823ee481df27c4ad35cbfee9f68616b05b3e12fa671a67f1f032988fc1.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:4116 -
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:772
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
738.1MB
MD5fa6b994c518028518ae0effec3a73bd2
SHA1d3d49b6d870f10e835b65c00ddc9d6c078a43a55
SHA256778e57d1f6eaca59cf0a45e6f3ed58edd5e2b5ed95702fa250e600cd2bd49250
SHA512848be8f6e1343cff80ec833fee4c2805f0050ab7e2b663bbd5debd8628ccd20a8a2eb2a8105e3300c2f67f9fb74936340b396904c7c2da0c2c803d1280519133
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Filesize
738.1MB
MD5fa6b994c518028518ae0effec3a73bd2
SHA1d3d49b6d870f10e835b65c00ddc9d6c078a43a55
SHA256778e57d1f6eaca59cf0a45e6f3ed58edd5e2b5ed95702fa250e600cd2bd49250
SHA512848be8f6e1343cff80ec833fee4c2805f0050ab7e2b663bbd5debd8628ccd20a8a2eb2a8105e3300c2f67f9fb74936340b396904c7c2da0c2c803d1280519133