Analysis
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max time kernel
142s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2023 18:26
Static task
static1
Behavioral task
behavioral1
Sample
18658dec7775fa53f081b892d6a2b027.exe
Resource
win7-20230712-en
General
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Target
18658dec7775fa53f081b892d6a2b027.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__ 18658dec7775fa53f081b892d6a2b027.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 ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 18658dec7775fa53f081b892d6a2b027.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 18658dec7775fa53f081b892d6a2b027.exe -
Executes dropped EXE 1 IoCs
pid Process 380 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" 18658dec7775fa53f081b892d6a2b027.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 18658dec7775fa53f081b892d6a2b027.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3492 18658dec7775fa53f081b892d6a2b027.exe 380 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 39 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3492 wrote to memory of 380 3492 18658dec7775fa53f081b892d6a2b027.exe 86 PID 3492 wrote to memory of 380 3492 18658dec7775fa53f081b892d6a2b027.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\18658dec7775fa53f081b892d6a2b027.exe"C:\Users\Admin\AppData\Local\Temp\18658dec7775fa53f081b892d6a2b027.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:3492 -
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:380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
842.1MB
MD5ae919c6d9908bdb9de550f741b11c598
SHA189a6d400794ab29593cdb343f55444ad23dab0ac
SHA25659747edc68011449b7d8141240db614e5bbb101054a9e785465135a9e8589d59
SHA51255bbef3b5476838a67936c614d91207f759b2f01e3ee43cf8e6be690d8f833f49686b721fec83dbe78456cea073f52456045ae8fdf055218f54e93b28cc8febb
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Filesize
842.1MB
MD5ae919c6d9908bdb9de550f741b11c598
SHA189a6d400794ab29593cdb343f55444ad23dab0ac
SHA25659747edc68011449b7d8141240db614e5bbb101054a9e785465135a9e8589d59
SHA51255bbef3b5476838a67936c614d91207f759b2f01e3ee43cf8e6be690d8f833f49686b721fec83dbe78456cea073f52456045ae8fdf055218f54e93b28cc8febb