Analysis
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max time kernel
140s -
max time network
167s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
07-05-2023 04:39
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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe -
Executes dropped EXE 1 IoCs
pid Process 1876 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1280 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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 1280 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 1876 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1280 wrote to memory of 1876 1280 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 28 PID 1280 wrote to memory of 1876 1280 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 28 PID 1280 wrote to memory of 1876 1280 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:1280 -
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:1876
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
616.6MB
MD5d1a3c8e7b79084a3b83f3cb167994405
SHA1d73da23e7f6cc74754695f96b84f68e9e03ec350
SHA25615078b0f898042f5a853551fc87a74cd3ece64d62c8013222c62cd3e6b4c3525
SHA5128849e4f69b40c6d55a732416bfe661ac8e872a3b543f90478a1ac2b55ff477db0abd6f2f824085d1addfa8a651f2512807080b28efbda44fbde1018a95530aba
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Filesize
624.4MB
MD51949ab26ac8223ad11b5784cea65b35d
SHA17aa9371afd60c8b3fe53232d1882ab9a6988519e
SHA256bee6aa2ade7ab3ddae08eda66ad9f316b7c3057abf8a7e923d821fdc2ef719e6
SHA512e9d0e55835451cb8265c59441df18dae0759e3b540ab80b842173a9ab95704623540f5f74ad1865b857cd898a247d22864efaf769383d29dfb3a45a4c05f1e5d