Analysis
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max time kernel
271s -
max time network
296s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
14-05-2023 22:17
Static task
static1
Behavioral task
behavioral1
Sample
4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe
Resource
win7-20230220-en
General
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Target
4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe
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Size
4.5MB
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MD5
7e050b69e98c5ec9210f66e0c90e0b76
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SHA1
6fba0dbbce41e76fbc0ffb4d193e8c6e9020da18
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SHA256
4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66
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SHA512
e9df367eb76b947cd38aab4c391f8fb1b94bfeafe4cf581fd51f8e1cd6da3df317e5c9aa2672fad14b121aed8a68cf570b3617007cf3f7ff9bed6d86669219a3
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SSDEEP
98304:5jMaFfnXAfveVnuJmhKRStK1uFbJeYUk+EPw/jh/FIYbNEWLwmVMK:5lFfXAfE4RgQUVeYUBEPw/NnNRLn6
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__ 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.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 ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe -
Executes dropped EXE 1 IoCs
pid Process 1536 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1236 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1236 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe 1536 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 1236 wrote to memory of 1536 1236 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe 28 PID 1236 wrote to memory of 1536 1236 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe 28 PID 1236 wrote to memory of 1536 1236 4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.exe"C:\Users\Admin\AppData\Local\Temp\4416ae4550db7da6142def01a056aa2214036a8b718d5f17031cd9aede39fb66.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:1236 -
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:1536
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
806.5MB
MD5dab19fb3204b427a28405d335ece3900
SHA140ae4291687b8ed0b303b43e7051855ed2287f51
SHA256d37486f3d76fcb9ff8135c5c214d34ff2b1a74d253f46d2332fc56228a3ab516
SHA51207b2ea418280f96bbf7a2ab687ab28d5d845d11e1aeaaa072180fb3e023ade86292fadb686f66f36efea9727269f5aa228474037cefc9a2155b906f45140a75d
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Filesize
806.5MB
MD5dab19fb3204b427a28405d335ece3900
SHA140ae4291687b8ed0b303b43e7051855ed2287f51
SHA256d37486f3d76fcb9ff8135c5c214d34ff2b1a74d253f46d2332fc56228a3ab516
SHA51207b2ea418280f96bbf7a2ab687ab28d5d845d11e1aeaaa072180fb3e023ade86292fadb686f66f36efea9727269f5aa228474037cefc9a2155b906f45140a75d