Analysis
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max time kernel
295s -
max time network
253s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
29-07-2023 04:47
Static task
static1
Behavioral task
behavioral1
Sample
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe
Resource
win7-20230712-en
General
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Target
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe
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Size
4.0MB
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MD5
3258deefff3ca70f3dfa3e67067ca611
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SHA1
a28ec103c22b03f381dd72073cf620b11881b7b7
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SHA256
11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c
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SHA512
541eec13adbb3afcc6ee0cfea2d1ddd71036a0da9be5fe6919a2becca5dc23089754d2e5bfd15886cd8e3981f982e40d28bb467132cfdf04844d930ca612b3b8
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SSDEEP
98304:kIk6g0kDf8CFjiD+THrrTfmqWAfheTYC521KuM96+/xnVA:3K0skC1k+THrrTf/c5ekwgVA
Malware Config
Extracted
laplas
http://206.189.229.43
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api_key
f52a5c9bc5eb2f51b22f04f3e85c301ac0170a650de6044773f0a8309fbdfb79
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__ 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.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 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.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 792 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1766410430-2870137818-4067673745-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2672 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe 792 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 4 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2672 wrote to memory of 792 2672 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe 70 PID 2672 wrote to memory of 792 2672 11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.exe"C:\Users\Admin\AppData\Local\Temp\11c3e7a62b3e78c6ec720aea618bf0a3854ad42535f888532c3e206f3724db4c.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:2672 -
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:792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
769.0MB
MD54e70dd6c3f031639d7a402a928881f42
SHA1f5e9addbb61ee12279a0d942ec2640cb7536a53e
SHA2568da9ecb011c3299b027158dc8625d9bdf2fe6bb606cafe6b8f4532c4ea5fb919
SHA5126bcff95d499887efb39295b38dfefc043de84e14c6b11b2b973f5f9d855f72649eb6080ce68527f6acddca77af4d7a94727b170bf8a3c69a67c2735448aeaf15
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Filesize
769.0MB
MD54e70dd6c3f031639d7a402a928881f42
SHA1f5e9addbb61ee12279a0d942ec2640cb7536a53e
SHA2568da9ecb011c3299b027158dc8625d9bdf2fe6bb606cafe6b8f4532c4ea5fb919
SHA5126bcff95d499887efb39295b38dfefc043de84e14c6b11b2b973f5f9d855f72649eb6080ce68527f6acddca77af4d7a94727b170bf8a3c69a67c2735448aeaf15