Analysis
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max time kernel
145s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2023 05:48
Static task
static1
Behavioral task
behavioral1
Sample
auto.exe
Resource
win7-20230220-en
General
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Target
auto.exe
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Size
4.3MB
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MD5
ddac8c4023deb11c8640fca3c9313113
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SHA1
396f984beea94dd6f1e59218cacfff3836ee8521
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SHA256
fd1b90ab20f012a6132f7f059f73032b279739f29217e331b947c984a4172b05
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SHA512
2fb5f51ce4ac4494d4811207c6ba29fd1a1d8b1a2e52771f5567fbb37bc71d8e5b2b8f349bfccd87e91f4d28b9cff10f6b3e134dc98de62faab92b1eab2f1280
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SSDEEP
98304:lAyd60OW0mP1Q6Ul5ZTeDWsAL3Kc3SLcxIVbYzR0nP6QdB8:Cf051lUXUDMKcCL0Eb4R
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__ auto.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 auto.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion auto.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 1140 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" auto.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA auto.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3864 auto.exe 1140 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 30 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3864 wrote to memory of 1140 3864 auto.exe 86 PID 3864 wrote to memory of 1140 3864 auto.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\auto.exe"C:\Users\Admin\AppData\Local\Temp\auto.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:3864 -
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:1140
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
309.4MB
MD5a0dd19c406f5a7a2ac206bcae034b470
SHA14a146566295120daee0bdc2c95e677735daea291
SHA256c4b4458894305dfa97bee93c1c11776eccf4e07f4586e4b8c5b83d753eb17c2f
SHA512a6c80283686f59a070abdab4e54086b69ea715e5df5ca00bce195087ccc03586be880a344100aca25438d71ac6d1d17b2e211dcfe18bfc38faf1dfcabe8c49ae
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Filesize
309.8MB
MD55c170e5d40eddb86ffa4595de7ce18d4
SHA13a992b0c40f8d55951bd4e8cae3ef3546f483b21
SHA2560f364838dcba9e624d9facf51c3375f54e74a452008fe881ab67f51df1d4be8c
SHA51272d55d03f9d009457163dd6f01c2b788b7a4a3baef56b00c0f5dad3e115aa5e72937e25773eb50e1fc87d616489e893f653bda776e6735179ca7d2e44cf3a301