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Analysis
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max time kernel
299s -
max time network
297s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
21/04/2023, 22:24
Static task
static1
Behavioral task
behavioral1
Sample
ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe
Resource
win7-20230220-en
General
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Target
ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe
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Size
2.9MB
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MD5
028afcd4ee3a30be01e8f2c706afbfde
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SHA1
0148d10c8ee91f94aebf98c7d2bf00df48381df7
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SHA256
ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77
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SHA512
dc6a1eb2d1c7ec84b478afd2ecd48a6c9e309aa8ff61313a3f921c4556e8cd2cb77fe5728526422a969300d4e039f509024e04037ecbb95a3d2eacf820ff30cf
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SSDEEP
49152:bPGr1J/od7ddFIbB65HJwP7QVBfMtup6qYmg8jLyefHuD+MUvYDL3bNt+jDpe:ber1Bod7dYV65HuP7QVikQUgKLyew+MF
Malware Config
Extracted
laplas
http://163.123.142.220
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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__ ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.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 ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe -
Executes dropped EXE 1 IoCs
pid Process 4880 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3608 ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe 4880 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3608 wrote to memory of 4880 3608 ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe 66 PID 3608 wrote to memory of 4880 3608 ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.exe"C:\Users\Admin\AppData\Local\Temp\ff2705d0de6c188a2dc637e1d341b4fed1378543328704cbf4e30b1f02eaab77.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:3608 -
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:4880
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
841.9MB
MD59972f4e78afa69470f53943d8831b222
SHA19b7b2f116fb4e559685c9cd4ec31517145d2df46
SHA2560db95bba22ae2dbd919093de4f925c850e21001794bf0b46a9c3d2b70bf3cbd9
SHA5127de89b34ec9b2368d071c0417c3c63f1ea6475c368be068bdd1fe3e2052f090f2b5d8ddd4466c9825c7794eee04ee7241432113990d72a4e48c818f27dbe732d
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Filesize
841.9MB
MD59972f4e78afa69470f53943d8831b222
SHA19b7b2f116fb4e559685c9cd4ec31517145d2df46
SHA2560db95bba22ae2dbd919093de4f925c850e21001794bf0b46a9c3d2b70bf3cbd9
SHA5127de89b34ec9b2368d071c0417c3c63f1ea6475c368be068bdd1fe3e2052f090f2b5d8ddd4466c9825c7794eee04ee7241432113990d72a4e48c818f27dbe732d