Analysis
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max time kernel
135s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
01-05-2023 18:56
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 828 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1980 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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 ntlhost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1980 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 828 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 1 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1980 wrote to memory of 828 1980 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 26 PID 1980 wrote to memory of 828 1980 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 26 PID 1980 wrote to memory of 828 1980 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 26
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
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1980 -
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:828
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
417.2MB
MD5ab16e60594c1053908904dc9e3776bbf
SHA18c504ba46bb3321f949e7f5c5c5f5842d7838a4d
SHA2566b70052b2520d46e5261a7c52baf4378955c1517b29811a38e3a98029694a071
SHA512a8832a50531ba3e651d290cfb70702bb7025f1da29ec6b5121ed76ab49175c997e8fd852a41129bab00744ae3a6dd66d89f24f07645de267c7c138cc4f97bd91
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Filesize
421.0MB
MD598ce42b6d5766387a5ebe1b3cb1209ce
SHA19c36937bd2a035c32582e07eb3020bde6ebd477b
SHA256fefd2bfe168d94b593685c5d39215ac3f21c530912435c7ec4ba0963ecf4d95c
SHA512a0d233641aa940fd7bbacea1dabcc482b4fc6d6a52f0b12c2d22532a964d2acd5df38b326c15420d2743fd6f27b8f197c9f91621b3fdb709a345ba66a6ac3837