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Analysis
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max time kernel
147s -
max time network
187s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
07/05/2023, 08:13
Static task
static1
Behavioral task
behavioral1
Sample
ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe
Resource
win10v2004-20230220-en
General
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Target
ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe
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Size
3.8MB
-
MD5
777c97f2898d88b9ac5eecc17d2a9bfb
-
SHA1
753c0828aeac6f2c9ac0f9c64eec30248dac0e32
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SHA256
ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804
-
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 1672 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 944 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.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" 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 944 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 1672 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 944 wrote to memory of 1672 944 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 28 PID 944 wrote to memory of 1672 944 ecd7e821527f03f36285b47b459f63f8518f9dc96ec15eef8390c520bb8ba804.exe 28 PID 944 wrote to memory of 1672 944 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:944 -
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:1672
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
330.8MB
MD5f121674f7aca89be0300e9a9b1ab8c85
SHA163efc09235bf723097cd77fce48f08cbd6dc64a1
SHA25623db9ce72a84d667c952cfccf8a5d207c1655916fbe0c61f7cc053646a3bb4c2
SHA512ebb04213b5d72b99505984061279c71311e331c171d61bee2dff232188f72efa161501bc3111af101607cbf776d481146c441988d45edb51afc867b45d5d7a96
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Filesize
319.9MB
MD56db0e29553e6ead13c8d7ec01d7ade87
SHA1604cdb421f2413e253a8129f47ae4921bd2a6841
SHA2565a6b56cec1a7aee4127a8bb1cbdf27ee4c15acb8d72e94fe0ab49fbf90c3335d
SHA512fd9215a16d6b190a641913c3be97e579d2607a19889d95fb90200a8b901f293d6da2ff85d7d450b2f5858445e3ca492d64450b8ceb8bb105130b8248596699a8