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Analysis
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max time kernel
269s -
max time network
286s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
27/04/2023, 22:17
Static task
static1
Behavioral task
behavioral1
Sample
ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe
Resource
win7-20230220-en
General
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Target
ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe
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Size
3.8MB
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MD5
777c97f2898d88b9ac5eecc17d2a9bfb
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SHA1
753c0828aeac6f2c9ac0f9c64eec30248dac0e32
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SHA256
ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804
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SHA512
35f47a96b91f6eec58cae5cfc1cea36d2dc14b880635f63e891edb0676bd38569f98623c1ff3655eaadb1d7ffbf2cd9df1503c890876df928a552db4d671c02e
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SSDEEP
98304:UHCQqJ34uxaJl5to8lsk6Qe934SJwecdW9D:UHuraX5Osb6QsJJ
Malware Config
Extracted
laplas
http://45.159.189.33
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api_key
d1a05de376c0be1daa56dfb2715c8a0c5df8a111b8b31decc886df1e48db7c9c
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__ ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.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 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.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 1496 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1200 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.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" ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1200 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 1496 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 1200 wrote to memory of 1496 1200 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 28 PID 1200 wrote to memory of 1496 1200 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 28 PID 1200 wrote to memory of 1496 1200 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe"C:\Users\Admin\AppData\Local\Temp\ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.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:1200 -
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:1496
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
801.8MB
MD592c67e4bc0fea0efd445149726c41f35
SHA16c4663941a5907d2150d3880310b1c1c0a3e2ace
SHA256e6684934c6c478be2c1479cee4e8b93797d1b9955554f0ee57d29c7d018db4aa
SHA512ab8ba41909e8e02b42f2bdf39cf19256da87f1afbdd0fe01baac0bf43ebbb7fe174feec7e6f14f0acc86584071ced28c3f5d6837b0a4011f86221005edfd7028
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Filesize
801.8MB
MD592c67e4bc0fea0efd445149726c41f35
SHA16c4663941a5907d2150d3880310b1c1c0a3e2ace
SHA256e6684934c6c478be2c1479cee4e8b93797d1b9955554f0ee57d29c7d018db4aa
SHA512ab8ba41909e8e02b42f2bdf39cf19256da87f1afbdd0fe01baac0bf43ebbb7fe174feec7e6f14f0acc86584071ced28c3f5d6837b0a4011f86221005edfd7028