Analysis
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max time kernel
145s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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\VideoBiosVersion ntlhost.exe 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 -
Executes dropped EXE 1 IoCs
pid Process 2640 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1672 JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\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 1672 JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 2640 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 7 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1672 wrote to memory of 2640 1672 JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 28 PID 1672 wrote to memory of 2640 1672 JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 28 PID 1672 wrote to memory of 2640 1672 JC_589b49a8e56beb55dcdacec0cdc3e04949eaa678df53d720ba940c7193130344.exe 28
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
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1672 -
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:2640
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
836.5MB
MD50175e6f1c3300858a610c6541be528bb
SHA1d7a61f4b4546bd9a59c4fabdc0fca097f6bd4bb3
SHA256df60eed7036bf9d39407db9fa2aed058ba1cff848111ab64ff0895d939e648be
SHA5126304fb35960536b9e790e5b3b9faeecb5dbaf1414674f925560555fee4d6853b3541e3377b26edf707624b82bf770bda0f4335f948abe7a3408c2b855b0e5971
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Filesize
836.5MB
MD50175e6f1c3300858a610c6541be528bb
SHA1d7a61f4b4546bd9a59c4fabdc0fca097f6bd4bb3
SHA256df60eed7036bf9d39407db9fa2aed058ba1cff848111ab64ff0895d939e648be
SHA5126304fb35960536b9e790e5b3b9faeecb5dbaf1414674f925560555fee4d6853b3541e3377b26edf707624b82bf770bda0f4335f948abe7a3408c2b855b0e5971