Analysis
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max time kernel
266s -
max time network
296s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
20-07-2023 03:36
Static task
static1
Behavioral task
behavioral1
Sample
4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe
Resource
win7-20230712-en
General
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Target
4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe
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Size
4.6MB
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MD5
44e4af2a42e0709726bc55c48755b6c6
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SHA1
f30667ab145f876ed67f3568771c9f44cbb075c8
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SHA256
4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4
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SHA512
ce98088c7ef0c6ba4e0d0acade13eca5d7dfbfea572c805bc28b26c5cb86889b0d19fdd0e194dd80398c1a4734c201045d63b406bf102f9ff10b94bef8929844
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SSDEEP
98304:N5QHGBGgZ9TeexEgENstZK0ZqjFOrbKSNm0rkR2U1PZGP0AeZ3o20SlC4W6+EhAG:NO8DZ9TePgEwPZ+OHHrLU1xI0AeZ4ClR
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__ ntlhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.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 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.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 1944 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 2160 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2160 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe 1944 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 3 IoCs
description pid Process procid_target PID 2160 wrote to memory of 1944 2160 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe 28 PID 2160 wrote to memory of 1944 2160 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe 28 PID 2160 wrote to memory of 1944 2160 4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.exe"C:\Users\Admin\AppData\Local\Temp\4f7f72d5fa0dbdd886de53c3e9bc01cd76bbb94d8d3b0d1deba3eb56d84f1ea4.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:2160 -
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:1944
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
743.6MB
MD54229f9d0a3f80c6715b92e585fb5cccd
SHA103333319307e5f8bff405e6ab3823739e59927c8
SHA2568d01a0720ba1fe3ed42b9f0b798f2507f7f4f052c64402810a572c40fce501f7
SHA5120a0e92d96fdf02ecb8bae86e1791ed90e576bafecaef5353034942cd50117c0fd89fa5dd86a3cfd25048f9d34b30705b61930daa9aff54566f0ded79c6a5bf27
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Filesize
743.6MB
MD54229f9d0a3f80c6715b92e585fb5cccd
SHA103333319307e5f8bff405e6ab3823739e59927c8
SHA2568d01a0720ba1fe3ed42b9f0b798f2507f7f4f052c64402810a572c40fce501f7
SHA5120a0e92d96fdf02ecb8bae86e1791ed90e576bafecaef5353034942cd50117c0fd89fa5dd86a3cfd25048f9d34b30705b61930daa9aff54566f0ded79c6a5bf27