Analysis
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max time kernel
187s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2023 20:14
Static task
static1
Behavioral task
behavioral1
Sample
e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe
Resource
win7-20230220-en
General
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Target
e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe
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Size
3.8MB
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MD5
1f175c2b390c4a969e20ee55b9717cb0
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SHA1
597a0d6feab62c7bff88b2321e3816ab4dc447bb
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SHA256
e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413
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SHA512
6f2f07026669d27737cdada05e36a048502a7d624040a18cc3e8c8021143589f456422a5c4f8d2dba72ccba65e3dc119f52ed4741ddf24121c8a3d7799de19e4
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SSDEEP
98304:3A/QAh25W+xsqp/ObAHj7gkHRHz2XI9rG7rBHyqBcp0:khGpxfNObADUkHRHqcSrNBcW
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__ e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.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 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.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 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe -
Executes dropped EXE 1 IoCs
pid Process 4232 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1632 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 4232 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 37 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1632 wrote to memory of 4232 1632 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 82 PID 1632 wrote to memory of 4232 1632 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe"C:\Users\Admin\AppData\Local\Temp\e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.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:1632 -
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:4232
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
163.3MB
MD533c5f2c94b0051fed9c145159aa546ec
SHA1bc496279495a767c0f220a27a1c9cb71f5945b5a
SHA2560007747cc44c3a0f92f9be0ba5032ec71c6cb4d868d1f834dc23a2e6efce116a
SHA51234eb86f8a176a5b7f5edb5a810d4706bb18bad1ba749f41a4fd1a3922c91f5b8745e8cf66eaadfdb73c5721f60cb29aaea04ba456cb9737c4fe80b176badeb01
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Filesize
155.8MB
MD5b215b09601dd04aa560f94df216cbeea
SHA1e150e31f479fdd7e06906149de31b1ca55c693e7
SHA25678392b55fae910dd26b0c5ea4874300cd10ccb0c8f18456f32aea40a58adbb1f
SHA512cc8293c45495c1efbac071b433c628aeeb7784485f14ec0f15cb222fcb5b33508ee1cdf77e0bd9faf881a4cfd1a17fb193eb6af1d40288e6af2e4e0bc1753ad8