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Analysis
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max time kernel
300s -
max time network
295s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
20/04/2023, 22:17
Static task
static1
Behavioral task
behavioral1
Sample
9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe
Resource
win7-20230220-en
General
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Target
9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe
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Size
2.7MB
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MD5
20974e780438e87cf0fab2e4c10aa72a
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SHA1
577e4d37c6897e550abe430d58577b595ed6d2a9
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SHA256
9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999
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SHA512
c40c222c127d002ea647f3a447426099c7e20f2c9cee48d60f626222e27123406f18e84a2e0774f1725dde001691525487f37e753c5c1dd026b84c958d017e61
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SSDEEP
49152:izUKp+KxzGMns8LyGuD7wdwrYvihsZqkWo9pG7XnkMcfWzE65Gl9R/4xEozse:iYKpbxZDyGuDkdRiOZRd9e5KW4aGd/6N
Malware Config
Extracted
laplas
http://45.159.189.105
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api_key
7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e
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__ 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.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 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.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 3972 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1804 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe 3972 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 2 IoCs
description pid Process procid_target PID 1804 wrote to memory of 3972 1804 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe 66 PID 1804 wrote to memory of 3972 1804 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe"C:\Users\Admin\AppData\Local\Temp\9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.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:1804 -
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:3972
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
785.7MB
MD5e332503d4dc9372e5f7d3ae35ca3513b
SHA185f2e8d6b51f9519a5509c0535870a04a5192e12
SHA256cd758e3c0758a8fd8325781e9f93566886a676ae591c2da138708c07abbc90c2
SHA512bb559ddb097560f554a50d4a04bae1632e3573520231d4a4016e26445b72ec23c3aab33eb60d7a693aea40d56616b544f904b51411df43aa5d7972b653ad28b0
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Filesize
785.7MB
MD5e332503d4dc9372e5f7d3ae35ca3513b
SHA185f2e8d6b51f9519a5509c0535870a04a5192e12
SHA256cd758e3c0758a8fd8325781e9f93566886a676ae591c2da138708c07abbc90c2
SHA512bb559ddb097560f554a50d4a04bae1632e3573520231d4a4016e26445b72ec23c3aab33eb60d7a693aea40d56616b544f904b51411df43aa5d7972b653ad28b0