Analysis
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max time kernel
269s -
max time network
288s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
22-04-2023 23:18
Static task
static1
Behavioral task
behavioral1
Sample
9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe
Resource
win7-20230220-en
General
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Target
9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe
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Size
3.0MB
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MD5
dbdba768cb5b67b0842eda1e3c11974c
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SHA1
ee2a619faeec9d1a264cd2940aaa2b90f2664f7a
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SHA256
9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c
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SHA512
6d307722d4c5884e2e512481e7a7dc33b4e7b3323937d2abd5defa9e2b5c1600f10002e6d1eee5b55b11c5e1e2551508da5b770d7b538b123b224f266c5a6c0f
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SSDEEP
49152:BkdbxujNKgmVvtcLH7QAjiSIXHhWW4055ugkQyAzKhUpMvUAl1qHIoxJlrgrp1b3:apxujNKgCvtjhRj5h4huMvU41qooxr03
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__ 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.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 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.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 1664 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1420 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1420 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 1664 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 1420 wrote to memory of 1664 1420 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 28 PID 1420 wrote to memory of 1664 1420 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 28 PID 1420 wrote to memory of 1664 1420 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe"C:\Users\Admin\AppData\Local\Temp\9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.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:1420 -
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:1664
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
719.0MB
MD51e110d96948c5c03e0cfe5d14483b8dc
SHA1cd627833a6be05466414bf0953b0d8a74e1c394d
SHA256ae5cfbb213ea9d2739098d2e4d07e8d4300be024a06a527b29b96c9bba7d920a
SHA512dfee2b31d846b4d709e5a9d7b569e9215b18ebc7aa93f5a991111244e4c80f06d5f34c24fce314a843ca5eb163df057f40168ed95018d9f43fd6eb376d49b4fa
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Filesize
719.0MB
MD51e110d96948c5c03e0cfe5d14483b8dc
SHA1cd627833a6be05466414bf0953b0d8a74e1c394d
SHA256ae5cfbb213ea9d2739098d2e4d07e8d4300be024a06a527b29b96c9bba7d920a
SHA512dfee2b31d846b4d709e5a9d7b569e9215b18ebc7aa93f5a991111244e4c80f06d5f34c24fce314a843ca5eb163df057f40168ed95018d9f43fd6eb376d49b4fa