Analysis
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max time kernel
293s -
max time network
251s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
16-07-2023 01:25
Static task
static1
Behavioral task
behavioral1
Sample
807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe
Resource
win7-20230712-en
General
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Target
807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe
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Size
5.1MB
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MD5
2f5fffc7e0e41a5c84b551ce5a423389
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SHA1
c95e5360ce09ac18d25e89e66c4f51db9cdec43b
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SHA256
807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d
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SHA512
7dba8647e20f929d6debd98f2c6254e5cc54ea3249263df4743d9d6048a5061b9632ca595507e00e7230dd297736b9d5dd2fdfcc4451906793b29edc00f3234a
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SSDEEP
98304:/cYVGTljIJwztRW8pHTOQLsJrM3zGbIIwWmK3x5z4P0mAZPwCU2WI1L2DV+gbYHZ:/cZTl8JqfXf3FIw44tKI92L2DfbU8i
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__ 807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.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 807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.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 1224 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2393848421-2120571652-2495149697-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 868 807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe 1224 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 868 wrote to memory of 1224 868 807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe 70 PID 868 wrote to memory of 1224 868 807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.exe"C:\Users\Admin\AppData\Local\Temp\807f54c88592025c02077930259ed3a4c6a3e216a8d53350bbebcb5c597bab2d.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:868 -
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:1224
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
711.1MB
MD5e93d8c238a7200421b19d1b92fc8ee26
SHA1ff5c4a66e9275728bf5183d2006bcb2ceed8cf4a
SHA25657720f40d34fa7c16d070450e612bca5a3f3c218b05f048e8417b206bfa4ef0c
SHA5121fce6e72d88ddffdc222271f6496903c633b0e324175d97c1f70f7359f10215914d00e41fa78d0573cf194bde2368dc661adfe84cd60aeb42a9ade9a9c8d7eae
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Filesize
711.1MB
MD5e93d8c238a7200421b19d1b92fc8ee26
SHA1ff5c4a66e9275728bf5183d2006bcb2ceed8cf4a
SHA25657720f40d34fa7c16d070450e612bca5a3f3c218b05f048e8417b206bfa4ef0c
SHA5121fce6e72d88ddffdc222271f6496903c633b0e324175d97c1f70f7359f10215914d00e41fa78d0573cf194bde2368dc661adfe84cd60aeb42a9ade9a9c8d7eae