Analysis
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max time kernel
145s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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 ntlhost.exe 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 -
Executes dropped EXE 1 IoCs
pid Process 1008 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 820 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\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 820 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 1008 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 3 IoCs
description pid Process procid_target PID 820 wrote to memory of 1008 820 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 27 PID 820 wrote to memory of 1008 820 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 27 PID 820 wrote to memory of 1008 820 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 27
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:820 -
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:1008
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
681.8MB
MD5e9573a7e50b5ed01354f4f28ee7db177
SHA1e9b9a904f3af793968a0919c7845ac47b9a135b6
SHA256e1b318a76d7e3353b0041165883a7f9a031151d0221e9b8574c261a90c678f7f
SHA512e067e012012b1d4b11444582fd4c12e65e28841498936173d8d6b23922691fe7644dcc29783fa1ac25da1bc8962887cd5a671e433a1adcd93a0caea6cdf3b003
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Filesize
681.2MB
MD50b59a9e242459db5937dc0443c81f9a1
SHA15888e0a26cb48be6c60f1181e78f8b4896fe77c4
SHA256d0fdfa7c31c7feae8afc44cd3d5dcdc51e2f68e31a9f647a3b3d5b5df85c267d
SHA512e0bf62150af87a51cd7912eccf98619ff29359a1bfb1ce9606a493866b693a9a0800f48f27fc736d7f772de9dbc460d2845d3f2977d51c2965be95c8f16210e0