Analysis
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max time kernel
293s -
max time network
186s -
platform
windows10-1703_x64 -
resource
win10-20230831-en -
resource tags
arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system -
submitted
03-09-2023 21:59
Static task
static1
Behavioral task
behavioral1
Sample
589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe
Resource
win7-20230831-en
General
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Target
589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe
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Size
3.5MB
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MD5
062fe47e8efc9041880ed273eda7c8f3
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SHA1
b77fffa5fce64689758a7180477ffa25bd62f509
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SHA256
589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344
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SHA512
67a4536375b34d77b3e61314ab5a6ffbbab11ff5bc4e2dd62c4b141f2b8727aef93438fd0ac74a60b55da92d54e40ee2868a9cacb2e80a60061d324940f5cb80
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SSDEEP
98304:Qs1IP7M+tBbnp5KsWEjGnT6iWB7cXWvdeMl+0WyC6oxgfMapH:VoA+3n7KsWEQTUqX8dedyXw2pH
Malware Config
Extracted
laplas
http://lpls.tuktuk.ug
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
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__ 589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.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 ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 4372 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3618012334-189558363-1282585034-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.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 589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 404 589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 4372 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 404 wrote to memory of 4372 404 589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 70 PID 404 wrote to memory of 4372 404 589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe"C:\Users\Admin\AppData\Local\Temp\589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.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:404 -
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:4372
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
795.1MB
MD58aa316e6ba0f88a0238171434392ba28
SHA117b0a8da0b033f10e7a2e0ee5fc4a530d4e648dc
SHA256287b7c0e7a35e4dd8eb2e7ecf8c74c465bb3346683f11827cdb999f7e8b13f84
SHA5128fb4a19f552b6ac64bd8205d1e94e34c6a336f3592b09303bb0a422a7501b52ca2174768f0516d38dcb77351da40e63201264565c25bcdbe7ebc35d57a5fe3ea
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Filesize
772.8MB
MD5eaf4d6e4c4ff61dfabed063733d16dad
SHA180ff34827d6176c461b065c00cd5d5b06fc8fc2b
SHA2564b6cb38c8eee618ba563426d75d08e11dc89fbfb1a17e9dfe53f20962b65ade0
SHA51257b8bcebf80f2f2310fed1d952c6302b21877f09cd126acb2ea0c6f5939eb8f0fb4785454599011b0643159a6d4fd6a56953a43e23614f41d806a5dbb361467b