Analysis
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max time kernel
298s -
max time network
182s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
09-07-2023 23:59
Static task
static1
Behavioral task
behavioral1
Sample
77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe
Resource
win7-20230705-en
General
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Target
77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.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__ 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.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\VideoBiosVersion 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe 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 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe -
Executes dropped EXE 1 IoCs
pid Process 2996 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" 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3332 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe 2996 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 3332 wrote to memory of 2996 3332 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe 70 PID 3332 wrote to memory of 2996 3332 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe"C:\Users\Admin\AppData\Local\Temp\77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.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:3332 -
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:2996
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
822.4MB
MD5a6a9e8216128b286724dcaa6a935ed3f
SHA18c3fc37dd4ebfa143012abb5e594551d58330f74
SHA2564845f312fe17b12707529205d1f3c3271e9441caef9092317d618d203289b79a
SHA512f4b5c1b9682bbc4c3008d77a8764eee78a020db8db7ee3e55324e35e5de372e738c086e7082c1425cc576787652361c377c6c00e9dddfa323e6125eabb7eed69
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Filesize
822.4MB
MD5a6a9e8216128b286724dcaa6a935ed3f
SHA18c3fc37dd4ebfa143012abb5e594551d58330f74
SHA2564845f312fe17b12707529205d1f3c3271e9441caef9092317d618d203289b79a
SHA512f4b5c1b9682bbc4c3008d77a8764eee78a020db8db7ee3e55324e35e5de372e738c086e7082c1425cc576787652361c377c6c00e9dddfa323e6125eabb7eed69