Analysis
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max time kernel
139s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
01-05-2023 19:02
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 468 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1480 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 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1480 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 468 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 3 IoCs
description pid Process procid_target PID 1480 wrote to memory of 468 1480 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 26 PID 1480 wrote to memory of 468 1480 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 26 PID 1480 wrote to memory of 468 1480 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 26
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:1480 -
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:468
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
625.9MB
MD5c31e207fa70eab58a579f73812191e13
SHA1266fb361d9d9d3cf5ab42baf56d49fb17dc445a3
SHA256853672a1e56c94c062c00462d85f2f25cfd9fe9991005a07917750d2472505a6
SHA51237dbe1f1b29152e28878277c5b7be0d3457e53e24d6ca042b1eee1a4168bfad55b54362ab68e73314e43c222f5891c13c2bf038d5a29877e3a3318355b72d128
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Filesize
610.9MB
MD55173d6bc509653e166849cc5bf32632a
SHA1beec935c4444d6080921e1c5eab22fd81ae99c6a
SHA256632f0132d1b4225027d2d2536893eca092614166b9ac58125064aa5c05594395
SHA512751a494cfbd443d9cd096666093f893bbef855c044315af3a5e32ea1969490830ac193b4ff9a40ab48c01aaea916906f2e566328fb2d03492af3d3223a1e7a43