Analysis
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max time kernel
148s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2023 13:03
Static task
static1
Behavioral task
behavioral1
Sample
NA_17ca2de661fa07dd83a55a500_JC.exe
Resource
win7-20230712-en
General
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Target
NA_17ca2de661fa07dd83a55a500_JC.exe
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Size
3.1MB
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MD5
18658dec7775fa53f081b892d6a2b027
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SHA1
fa8d901c7aac70e2c37544883ce087e48c6302d1
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SHA256
17ca2de661fa07dd83a55a5005c61eb8aee1e9cab56e9a13bc36a27f4b785554
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SHA512
cae5c6041b22b507ce66cb3b6509ff692b359748791aa93e006e1a700ff3cd439314823d070ff869ca4aac8fb8c2ac41d8de134bd1802693833b6cec7464f56d
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SSDEEP
98304:F28fuEzm1Q1n5oIVb0cCU/8j+okSprZHm87mv2B9:swm1o5pF4U/UhkSprZHJT
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__ NA_17ca2de661fa07dd83a55a500_JC.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 NA_17ca2de661fa07dd83a55a500_JC.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion NA_17ca2de661fa07dd83a55a500_JC.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 4332 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" NA_17ca2de661fa07dd83a55a500_JC.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA NA_17ca2de661fa07dd83a55a500_JC.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4316 NA_17ca2de661fa07dd83a55a500_JC.exe 4332 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 36 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4316 wrote to memory of 4332 4316 NA_17ca2de661fa07dd83a55a500_JC.exe 86 PID 4316 wrote to memory of 4332 4316 NA_17ca2de661fa07dd83a55a500_JC.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\NA_17ca2de661fa07dd83a55a500_JC.exe"C:\Users\Admin\AppData\Local\Temp\NA_17ca2de661fa07dd83a55a500_JC.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:4316 -
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:4332
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
712.1MB
MD5152d823f0b11bb11d5f7181a76dae45b
SHA157c72ecad925a9f180b9688e6c016df602944e3a
SHA256b036d2137a12c4ae4a82606dce38cd0d255658dbc0fb7e91d31b3df62c3b3b36
SHA512a193d2104c82cc16349fc7951d6a50b9ac5e7cb8895ded05e313b0564a52bf62ea7e92f48c4fd1ce1135f4e042c329d0af5df2673cea983720013fc005fca6ac
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Filesize
712.1MB
MD5152d823f0b11bb11d5f7181a76dae45b
SHA157c72ecad925a9f180b9688e6c016df602944e3a
SHA256b036d2137a12c4ae4a82606dce38cd0d255658dbc0fb7e91d31b3df62c3b3b36
SHA512a193d2104c82cc16349fc7951d6a50b9ac5e7cb8895ded05e313b0564a52bf62ea7e92f48c4fd1ce1135f4e042c329d0af5df2673cea983720013fc005fca6ac