Analysis
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max time kernel
296s -
max time network
284s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
11-06-2023 04:48
Static task
static1
Behavioral task
behavioral1
Sample
8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.exe
Resource
win7-20230220-en
General
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Target
8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.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__ 8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.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 8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.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 3232 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2472 8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.exe 3232 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 2472 wrote to memory of 3232 2472 8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.exe 66 PID 2472 wrote to memory of 3232 2472 8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.exe"C:\Users\Admin\AppData\Local\Temp\8dbebde20f5c4a1c0d29c9faf1c670423f99306042d428c35d6bdd552d3fb554.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:2472 -
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:3232
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
813.4MB
MD549e8f1ed7e5df83e9c0921be19d14295
SHA1a16ab37d9e4f1e7b7795b6794d103e240858adc8
SHA25662c512cfd4657922e8bf833bb80e74a362bc635fc646f36d610eb725f6a61e7b
SHA512429a7f812c60a87c419b3dc165b0692aa9e0775fb5af4b3875dd5c1e92ac0542f714896e2d63c8cac54e2c38c5da10f061973d0bce7953f4a9af208b6d8d17dc
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Filesize
813.4MB
MD549e8f1ed7e5df83e9c0921be19d14295
SHA1a16ab37d9e4f1e7b7795b6794d103e240858adc8
SHA25662c512cfd4657922e8bf833bb80e74a362bc635fc646f36d610eb725f6a61e7b
SHA512429a7f812c60a87c419b3dc165b0692aa9e0775fb5af4b3875dd5c1e92ac0542f714896e2d63c8cac54e2c38c5da10f061973d0bce7953f4a9af208b6d8d17dc