Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
02-09-2023 11:16
Static task
static1
Behavioral task
behavioral1
Sample
JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe
Resource
win7-20230831-en
General
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Target
JC_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__ JC_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\SystemBiosVersion JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.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 544 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3768 JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 544 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 8 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3768 wrote to memory of 544 3768 JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 87 PID 3768 wrote to memory of 544 3768 JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe"C:\Users\Admin\AppData\Local\Temp\JC_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:3768 -
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:544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
757.5MB
MD5ee20ac7aa98d93888174f804f0911bf0
SHA1537e119f2885cdb947d29b318f5b06abe93345b5
SHA256b9c989d59357a6050adadde77b40b5a1b4886959096db510980dfb1054d91788
SHA512e84955765cdcfda2092b03a1db10596d9228e03428b676b67ff3dd77e8cc148abace36540a4fec4015c3fb1e34fbf8d7be8036d8fba53cd1a5aa7e4625ecfbf7
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Filesize
757.5MB
MD5ee20ac7aa98d93888174f804f0911bf0
SHA1537e119f2885cdb947d29b318f5b06abe93345b5
SHA256b9c989d59357a6050adadde77b40b5a1b4886959096db510980dfb1054d91788
SHA512e84955765cdcfda2092b03a1db10596d9228e03428b676b67ff3dd77e8cc148abace36540a4fec4015c3fb1e34fbf8d7be8036d8fba53cd1a5aa7e4625ecfbf7