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Analysis
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max time kernel
139s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
05/05/2023, 20:22
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__ ntlhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.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 1264 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 600 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.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" ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 600 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 1264 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 600 wrote to memory of 1264 600 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 27 PID 600 wrote to memory of 1264 600 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 27 PID 600 wrote to memory of 1264 600 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 27
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:600 -
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:1264
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
787.8MB
MD52cb9907923b36be9c3bd64749951ace4
SHA1fc34ab039e809a8021ea0129d7a0d708c3e1d046
SHA2564d6b3ee42e1e92b7281a8ab745133b12b42571d202b351e8d95af40831e26a4b
SHA51249666a6bb6a1a7419b07926ccd4ce7d2474e2e5b88bd1f331b9f5f67970f46680319da7bad80907e67c197737b0b3b2bf41e92477b7f5fb1c3ea6786d562aa5f
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Filesize
787.8MB
MD52cb9907923b36be9c3bd64749951ace4
SHA1fc34ab039e809a8021ea0129d7a0d708c3e1d046
SHA2564d6b3ee42e1e92b7281a8ab745133b12b42571d202b351e8d95af40831e26a4b
SHA51249666a6bb6a1a7419b07926ccd4ce7d2474e2e5b88bd1f331b9f5f67970f46680319da7bad80907e67c197737b0b3b2bf41e92477b7f5fb1c3ea6786d562aa5f