Analysis
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max time kernel
139s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20230703-en -
resource tags
arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system -
submitted
10-07-2023 13:16
Static task
static1
Behavioral task
behavioral1
Sample
77530f67cff4fc2456c0b27ab.exe
Resource
win7-20230703-en
General
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Target
77530f67cff4fc2456c0b27ab.exe
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Size
4.4MB
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MD5
f2e100f576b44fdb37d874db2e48085c
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SHA1
23091a0b5231d69d85866fede573b25577e20414
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SHA256
77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196
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SHA512
14bd861a48f201a195d322e4c00f758996d2be8b6d78a1c927af53a00e029e9be7db4002c48a80f88d2869e9ba412724ec7a47c8da09faf79133df2edc608f85
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SSDEEP
98304:fqemq9DObUSOLZ27MJuUfg7Jb/0RCh2fc/xVzVALUx:PzD3SFEuUfcLwCh2Q/RAY
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__ 77530f67cff4fc2456c0b27ab.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 77530f67cff4fc2456c0b27ab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 77530f67cff4fc2456c0b27ab.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 2148 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 3048 77530f67cff4fc2456c0b27ab.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 77530f67cff4fc2456c0b27ab.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 77530f67cff4fc2456c0b27ab.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3048 77530f67cff4fc2456c0b27ab.exe 2148 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 3 IoCs
description pid Process procid_target PID 3048 wrote to memory of 2148 3048 77530f67cff4fc2456c0b27ab.exe 28 PID 3048 wrote to memory of 2148 3048 77530f67cff4fc2456c0b27ab.exe 28 PID 3048 wrote to memory of 2148 3048 77530f67cff4fc2456c0b27ab.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\77530f67cff4fc2456c0b27ab.exe"C:\Users\Admin\AppData\Local\Temp\77530f67cff4fc2456c0b27ab.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:3048 -
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:2148
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
802.4MB
MD5cec06523837e5b073325280e3ee5049a
SHA116863b4c69042f9e9dde3340065c96bbd7e17d50
SHA2561da77254318e3859e5002813d6b3b004cc83e7748af0ef1f187e0b4adf29fe97
SHA5125edc7e8683552edb6d261798214325f04edd1ec2b0c8455225dae18cada8cc5d65f23e6b1eb758d79868f595bba23f7801f8969705bd9a88003e0fcffc6e389a
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Filesize
802.4MB
MD5cec06523837e5b073325280e3ee5049a
SHA116863b4c69042f9e9dde3340065c96bbd7e17d50
SHA2561da77254318e3859e5002813d6b3b004cc83e7748af0ef1f187e0b4adf29fe97
SHA5125edc7e8683552edb6d261798214325f04edd1ec2b0c8455225dae18cada8cc5d65f23e6b1eb758d79868f595bba23f7801f8969705bd9a88003e0fcffc6e389a