Analysis
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max time kernel
152s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2023 07:59
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\SystemBiosVersion e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 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 -
Executes dropped EXE 1 IoCs
pid Process 4752 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" 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 1616 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 4752 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 12 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1616 wrote to memory of 4752 1616 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 84 PID 1616 wrote to memory of 4752 1616 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 84
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:1616 -
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:4752
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
736.9MB
MD555e4ea5026ad2d3bc83c33778a6c52e4
SHA16bbdb50cd29f00d3871e2624e0f4d8e6c2957c62
SHA256bb00d42244baef320ddbf9c2b204ab6bcf1ee2bea2955481f19faaedd4a5dfcd
SHA512e713d71c178047aa3dfbc3ac7a763c5322ec0611a97508864696052890f7b083f41deeb970967391a53020133729bff345341d25f71bf48fe448db26fb93e8ae
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Filesize
719.6MB
MD548dc6f4397676f6f8722945d55f19e74
SHA16ec290e2f74fc885972602fab7f988c24a061790
SHA25615f556fff737ae086a386578e2c01b017c5933fd8a19ac718022e3f08ceb89a7
SHA5127a6f4e78bbe7c38ee0cc1c0bdee8bdcdbff45e4f4da5546c6e2421ac2079b2cd8f357a020025df89c03d6108e91dd79c4ccba666fb83614bc368cf300e8c3101