Analysis
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max time kernel
133s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
06-05-2023 21:33
Static task
static1
Behavioral task
behavioral1
Sample
414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe
Resource
win10v2004-20230220-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 1472 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1736 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1736 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 1472 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 1736 wrote to memory of 1472 1736 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 27 PID 1736 wrote to memory of 1472 1736 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 27 PID 1736 wrote to memory of 1472 1736 414a0bf51ee426a007c528ecb84a563f21c40f3a2feb06485baad0e8ab439adf.exe 27
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:1736 -
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:1472
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
660.1MB
MD55b77485bb214004b56cd839e8b1b50cd
SHA1d047fda96e39ba6180cee0acd1e79f780c4eff74
SHA2567f66a73b1b9bf3141b287f0bc9ae6e317f7e0ff4c666881eb0a63c4068ac25f9
SHA5125f4a77274c187b9da4744b37698a494fa326ad2fb8617f5538decfdad032a8807245c3990a20fba4f5c772b5a925008f5eb56e16305c87ebe801dce2423f2014
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Filesize
662.3MB
MD5b76db0c428c657f87d80f95d37dfc69d
SHA1ba7b5d34695e46920ef8f8ff413f88607bbeae07
SHA256e4b18c13f64d3e7ce31e3e3af21ea9efd15aa9fa01b9ce1a95de1b6e16592646
SHA512bcc67f30c2d4117a59d621638815b5ca29ca01514d61bdd8c96c36ee9ec9c34a75f523e1f5c2581027cce341b7fafb59662d129af5a169c197bea785067e8170