Analysis
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max time kernel
294s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
14-05-2023 22:17
Static task
static1
Behavioral task
behavioral1
Sample
4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe
Resource
win7-20230220-en
General
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Target
4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe
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Size
4.5MB
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MD5
7e050b69e98c5ec9210f66e0c90e0b76
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SHA1
6fba0dbbce41e76fbc0ffb4d193e8c6e9020da18
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SHA256
4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66
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SHA512
e9df367eb76b947cd38aab4c391f8fb1b94bfeafe4cf581fd51f8e1cd6da3df317e5c9aa2672fad14b121aed8a68cf570b3617007cf3f7ff9bed6d86669219a3
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SSDEEP
98304:5jMaFfnXAfveVnuJmhKRStK1uFbJeYUk+EPw/jh/FIYbNEWLwmVMK:5lFfXAfE4RgQUVeYUBEPw/NnNRLn6
Malware Config
Extracted
laplas
http://45.159.189.105
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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__ 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.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 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.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 1740 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1228 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe 1740 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 3 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1228 wrote to memory of 1740 1228 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe 66 PID 1228 wrote to memory of 1740 1228 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe"C:\Users\Admin\AppData\Local\Temp\4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.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:1228 -
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:1740
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
817.5MB
MD5f5bf8237105ae71dc445b5b9ee11a383
SHA1039adfc2955f966fb67da06ccde5f46a7a2fa7a2
SHA256ba91b88bdc3c5d8e529bb75835e518f40ea914e335ba4bd330ae8944263bf534
SHA512c7166e280e6a5b098a4218fb9eac9a8718bb06daf19b6955d31529fd56812750a1fb377e52c9734d7884db21667577c21d63c1148a3366650218946b404e8f4d
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Filesize
817.5MB
MD5f5bf8237105ae71dc445b5b9ee11a383
SHA1039adfc2955f966fb67da06ccde5f46a7a2fa7a2
SHA256ba91b88bdc3c5d8e529bb75835e518f40ea914e335ba4bd330ae8944263bf534
SHA512c7166e280e6a5b098a4218fb9eac9a8718bb06daf19b6955d31529fd56812750a1fb377e52c9734d7884db21667577c21d63c1148a3366650218946b404e8f4d