Analysis
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max time kernel
149s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 77530f67cff4fc2456c0b27ab.exe -
Executes dropped EXE 1 IoCs
pid Process 2440 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\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 4080 77530f67cff4fc2456c0b27ab.exe 2440 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 21 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4080 wrote to memory of 2440 4080 77530f67cff4fc2456c0b27ab.exe 84 PID 4080 wrote to memory of 2440 4080 77530f67cff4fc2456c0b27ab.exe 84
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
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4080 -
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:2440
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
418.0MB
MD5ba772bbcaa719fb10e61dc34ecc14430
SHA1386646527f5c66cb208be216d5f03fd726f1e12c
SHA256b277f33ae60a8d21159b947c47cc1b2dc463eb5d40d0a522b566bfbede8b0421
SHA512f03fe4bba14aad9465062424f7b63018a1d091d9d4806c84d82a7e0dc9132c5b918e29c76e1422d677f6ec074970ae48f5867465e167e9ab042f920c7a6014a7
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Filesize
428.3MB
MD5d15f8b3beb79d91ed3205df60859664a
SHA1f99eda7efec8d1811f51f8f604bd6c4c8d3993fc
SHA256c7041c881e9c517568e2b9175492c47b4a6ad019e72d9916bb7c171d5d9c39fc
SHA512ae41aedbe6598e06706e9d5a23db6a2019029d6011a9d46cd2d7545d41a328ebb540e232efb0b9b96870183d6cdfbe8e96b1fd2ea646880a940d8dc9b8ac07db