Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11-06-2023 08:22
Static task
static1
Behavioral task
behavioral1
Sample
01622099.exe
Resource
win7-20230220-en
General
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Target
01622099.exe
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Size
3.4MB
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MD5
50859caa45e9d02823ae55b69fd7b645
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SHA1
aec25ed88cd00fd12a18ca2714d68e33c7fd57c3
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SHA256
8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554
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SHA512
78df0c4c350b92743f4739855a8f605cf245463dde934edb2b8a26a5d6025231c17b8f0bbe2b9bffa4938343bf84ab88f5539282b6f9fbb78ec836d5a735d767
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SSDEEP
98304:nImo45lwBzz4/B00uUYiGjHMnhNRUQrqXjWJd:nFnG/4/cz4n7RbryS
Malware Config
Extracted
laplas
http://45.159.189.105
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api_key
f52a5c9bc5eb2f51b22f04f3e85c301ac0170a650de6044773f0a8309fbdfb79
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__ 01622099.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 ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 01622099.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 01622099.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 712 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 01622099.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 01622099.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2128 01622099.exe 712 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 24 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2128 wrote to memory of 712 2128 01622099.exe 83 PID 2128 wrote to memory of 712 2128 01622099.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\01622099.exe"C:\Users\Admin\AppData\Local\Temp\01622099.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:2128 -
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:712
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
752.6MB
MD552f247f92db58a4d9a3a7141a0e37bc2
SHA1b714d1aa7d7954af6194991e14ce671632b45df8
SHA256753d260265c1ee5cc96cd7d4ef04c5ce44f69a6e0f081a7402750ef6cb816a24
SHA51249274995c173527d4fadde53bb36ee90e416c1fb94e3795b52f93920849ce2ac90c15bb1370ed30292fcde707afaf0e326d2e7c732ad6006712ba31d78b11c27
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Filesize
763.2MB
MD550cc80dcad38f7aa365dc9f3336999e6
SHA1a7797f97980ea355ae642a74b5da281a8e11077d
SHA25621326046a0bf10a67641497a168a52a1d1c7863ccd000482ed326f433984929a
SHA51219518b2d521cd28c5079281cb5c6e222f3d2f72b6dc91676fc8faeba3221b0b5627185705ef1598fa2f5d231e470dbd95c95c05c6a8088a6a616f1e748b47125