Analysis
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max time kernel
300s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
21-04-2023 22:17
Static task
static1
Behavioral task
behavioral1
Sample
34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe
Resource
win7-20230220-en
General
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Target
34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe
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Size
3.1MB
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MD5
accbcf9680c8bf835cf0eabf91b33723
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SHA1
2d27a9626a83c7c452f23fa3e2349457e0469c27
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SHA256
34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404
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SHA512
43696acf7f4b76975afb534c2581ab82b015f2e23dc30fd4f40aefb6eaeccad11d01d922c68f92c6f8be05cc6056f15a67895fc60ce4c36015c02201b8d98c26
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SSDEEP
98304:k5BekM0DcBgg5WVJRG6wsW6WY3ZrfrPfw0kN//ItdLGt:UzM0Yyg5WVJLW6R3dLfcN8Lc
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__ 34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.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 ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe -
Executes dropped EXE 1 IoCs
pid Process 4472 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4448 34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe 4472 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4448 wrote to memory of 4472 4448 34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe 66 PID 4448 wrote to memory of 4472 4448 34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.exe"C:\Users\Admin\AppData\Local\Temp\34fe727a0ee5e713e228440cb9395c77a8cbc83f106b6328ecbeb0d3ac6a1404.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:4448 -
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:4472
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
758.1MB
MD5a5a71e2d2f796b87467f6db2324975f1
SHA1d17c964f25aa9b00abc801549ea041de6b92a6bd
SHA2563ec3c18487df38a825077670ed2fa64763cdb99ff4f6e91bd0d697b4143dc686
SHA51285c13b0bba346c2a96d342f8c3c759a0730dfe8dd5cbdd28dbd005becef607f8f9de5418a74828c0a03a2ba274c4acdc740f5107bed493f38d5e9278d9c54114
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Filesize
758.1MB
MD5a5a71e2d2f796b87467f6db2324975f1
SHA1d17c964f25aa9b00abc801549ea041de6b92a6bd
SHA2563ec3c18487df38a825077670ed2fa64763cdb99ff4f6e91bd0d697b4143dc686
SHA51285c13b0bba346c2a96d342f8c3c759a0730dfe8dd5cbdd28dbd005becef607f8f9de5418a74828c0a03a2ba274c4acdc740f5107bed493f38d5e9278d9c54114