Analysis
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max time kernel
140s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
29-05-2023 01:49
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
General
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Target
file.exe
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Size
4.7MB
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MD5
4eee6a99eb6e64650469196952f9f9fb
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SHA1
f526aa5b0e48790473f9da6e4dbdfe874158b149
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SHA256
b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116
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SHA512
31c5250dbb80588121b6d01c6344e94a2f7fb06501d00af7c339a4c5694dd850779de453e8f05279c933e4d375bbf508714730bc339622ef094a2b5d9edc929d
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SSDEEP
98304:JPoB48l+avKBBXXO9G4/YZHEIkfhsg11omqL2b8UnuaAkLcWO2yb7Mw5R:JQZl+aC3XX54/+Heig11IBAZAkBO2O7M
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__ file.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 file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion file.exe -
Executes dropped EXE 1 IoCs
pid Process 1596 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" file.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA file.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4800 file.exe 1596 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 27 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4800 wrote to memory of 1596 4800 file.exe 83 PID 4800 wrote to memory of 1596 4800 file.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4800 -
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:1596
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
713.7MB
MD5c9934555855da4596c9d019db22da320
SHA191a0611de830872ffbc08f6b642ecaed46a7f920
SHA256d35c8c4be53d45026e88d5512af4347282e4ee4472f2bbcf9bf41a55d3777114
SHA5126255926631b1a058c6db2915b1ca2c3c9d4ebe8f36ff0186c717dd6f03e20ea8506408a5f47d956c73fde99f88c6353ea9393218b676f25968166ce17df25321
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Filesize
713.7MB
MD5c9934555855da4596c9d019db22da320
SHA191a0611de830872ffbc08f6b642ecaed46a7f920
SHA256d35c8c4be53d45026e88d5512af4347282e4ee4472f2bbcf9bf41a55d3777114
SHA5126255926631b1a058c6db2915b1ca2c3c9d4ebe8f36ff0186c717dd6f03e20ea8506408a5f47d956c73fde99f88c6353ea9393218b676f25968166ce17df25321