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Analysis
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max time kernel
150s -
max time network
159s -
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, 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\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 3356 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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 4532 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 3356 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 32 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4532 wrote to memory of 3356 4532 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 89 PID 4532 wrote to memory of 3356 4532 9413ab68cf54b6b8132bfe9048d58ede4e1591f6add2516faf39a165a914be8c.exe 89
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
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4532 -
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:3356
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
547.5MB
MD5836422df6d54288e96fcdfd0629a0f52
SHA15415d2031d7a022241c63a365b70df2be5cdc1f8
SHA256240dda961f50c78f876dd2bf36ee2164b937be72b9e3de580aad4a165b5cfe0e
SHA5125654d8311d1599837008c4dd40074f3711370dd2123a28b21fcc5b9ffcd02927d0a77f4baeb0e568af52b7cd9fae69f0065259df76b2969d3e8f8ad05b99cc68
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Filesize
548.2MB
MD5bb16dbb2ffb98153d6c4d38e1e10aad1
SHA122dbfbef9c358730e36a96727d3de3c42ced60c9
SHA256767223d9314a2b2106a5dcda397c136603f53eac008c5b7864a46d7da29419d6
SHA51211683e6282514db5526371625e5534f6f8bbce8b88e294e80bc9705f956db9a0b25ea3489b01296a71d2a257e1e6e81263fc4afc798ab99c7aaa0ad3b74a52f8