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Analysis
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max time kernel
137s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
30/04/2023, 22:08
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 880 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1408 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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 1408 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 880 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 1408 wrote to memory of 880 1408 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 28 PID 1408 wrote to memory of 880 1408 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 28 PID 1408 wrote to memory of 880 1408 e7726f656b2c499257541c6f77f80da3dbc68761a0c86b39c59b292a99800413.exe 28
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:1408 -
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:880
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
696.9MB
MD5ffd541f4281368dac62a354e9b2724ea
SHA14eaf8eaf443319dfaf608bcc233871604cc560fc
SHA256cbb174fdd2859279b2d8cf418b3c3ac538209356fcdf7feb1fe6c2185f5c3d96
SHA5121956f9c4809d159cd1dfab392cb6a78c6730c28e954d0fffcb5cc66a2be70f74af66fec0b3a3dda4380ea9b5a91e981f171be006f0942b07a0173182fb26ec87
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Filesize
702.4MB
MD540f266349c2f36eb9ba25d81d6aab672
SHA1ed4350240e6accd280a96676b6eef7c61419f174
SHA256c7f29c8bfac1942f7ae2ad2b22c1ef7c48f9e63161eac5a04f68edb54ff1e434
SHA512aea690bf39ee858e02ec74b7e0c08cb40cab5185f60815665b011904ca2177c85c267495de556a539787c735271e2be5aca53978f194e3dc39fa45b5ef6a3d35