Analysis
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max time kernel
300s -
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
10-07-2023 04:12
Static task
static1
Behavioral task
behavioral1
Sample
77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe
Resource
win7-20230703-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__ ntlhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.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 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe 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 -
Executes dropped EXE 1 IoCs
pid Process 4048 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-488886677-2269338296-1239465872-1000\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 1464 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe 4048 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 1464 wrote to memory of 4048 1464 77530f67cff4fc2456c0b27abf28d1ab1f4f10fd9be039783adfa25ed1f7f196.exe 70 PID 1464 wrote to memory of 4048 1464 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:1464 -
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:4048
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
796.4MB
MD50cc513e9c13ff6af5d5c368a6e835b8b
SHA1aa8d83c35ac807ad636851697149f4f1da773bb2
SHA25693326455ce772d00bb69e8ccf1a509974cd553d44434e5d193fd618e79329309
SHA5124132c9ca5e147c2657209d57dc2e18763afa97a7c9064d89a5cffea8314108982b11555d8f3a92e6ef6f4dbb0564a538cdd4042a842c97d340f36a34159e6b02
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Filesize
796.4MB
MD50cc513e9c13ff6af5d5c368a6e835b8b
SHA1aa8d83c35ac807ad636851697149f4f1da773bb2
SHA25693326455ce772d00bb69e8ccf1a509974cd553d44434e5d193fd618e79329309
SHA5124132c9ca5e147c2657209d57dc2e18763afa97a7c9064d89a5cffea8314108982b11555d8f3a92e6ef6f4dbb0564a538cdd4042a842c97d340f36a34159e6b02