Analysis
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max time kernel
90s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03/01/2023, 01:24
Static task
static1
Behavioral task
behavioral1
Sample
GS_LOADER/MP4SDEC.dll
Resource
win7-20221111-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
GS_LOADER/MP4SDEC.dll
Resource
win10v2004-20221111-en
windows10-2004-x64
4 signatures
150 seconds
Behavioral task
behavioral3
Sample
GS_LOADER/QS_SETUP_V4.4.430.376_RE.exe
Resource
win7-20220812-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral4
Sample
GS_LOADER/QS_SETUP_V4.4.430.376_RE.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral5
Sample
GS_LOADER/data.dll
Resource
win7-20221111-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral6
Sample
GS_LOADER/data.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
1 signatures
150 seconds
General
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Target
GS_LOADER/MP4SDEC.dll
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Size
8.7MB
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MD5
b8eb409a703938ec1a6ab332cc0dd1d5
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SHA1
83a35bec4a0515b7f7d450f76ed41267e4f968a5
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SHA256
73b49cc29c936c36f81f579a3230f428a87b7df821d5ffd549f01656b5db6ec3
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SHA512
ab55bbfd6dfc836f1c848fb8c962f38c5def19cc1df21ea6a609f2ef0acfdaa7c5329eb07d54c525b79531e6361c84ae890654ce81afe0a38ecacec2a8b01a68
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SSDEEP
196608:42uBSReuRV4gN/TD8bDjiiRRefPGI7wh9RY+WuNNoGXnHPitV:ZhReuD4e8bDjioIGOgngugGXwV
Score
5/10
Malware Config
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1316 regsvr32.exe -
Modifies registry class 58 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E938757-7AED-11D7-B84B-0002A5623377}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FDA2243F-7BAA-11D7-B84B-0002A5623377}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FDA2243F-7BAA-11D7-B84B-0002A5623377}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GS_LOADER\\MP4SDEC.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage\CLSID\ = "{FDA2243F-7BAA-11D7-B84B-0002A5623377}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DDF3FE5-24D4-4289-9143-E1FFD70CD934}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage.1\CLSID\ = "{0E938757-7AED-11D7-B84B-0002A5623377}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage.1\ = "LicensePropPage Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FDA2243F-7BAA-11D7-B84B-0002A5623377} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E938757-7AED-11D7-B84B-0002A5623377}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GS_LOADER\\MP4SDEC.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FDA2243F-7BAA-11D7-B84B-0002A5623377}\ = "LicensePropPage Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FDA2243F-7BAA-11D7-B84B-0002A5623377}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage\CurVer\ = "GenDMOProp.GenDMOPropPage.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E938757-7AED-11D7-B84B-0002A5623377}\ = "GenDMOPropPage Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0\ = "GenDMOProp 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E938757-7AED-11D7-B84B-0002A5623377} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GS_LOADER\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage\ = "GenDMOPropPage Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage.1\ = "StatisticsPropPage Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DDF3FE5-24D4-4289-9143-E1FFD70CD934}\ = "StatisticsPropPage Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage.1\CLSID\ = "{3DDF3FE5-24D4-4289-9143-E1FFD70CD934}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DDF3FE5-24D4-4289-9143-E1FFD70CD934}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage\ = "LicensePropPage Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FDA2243F-7BAA-11D7-B84B-0002A5623377}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage\ = "StatisticsPropPage Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage\CurVer\ = "GenDMOProp.StatisticsPropPage.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DDF3FE5-24D4-4289-9143-E1FFD70CD934} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DDF3FE5-24D4-4289-9143-E1FFD70CD934}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GS_LOADER\\MP4SDEC.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E938757-7AED-11D7-B84B-0002A5623377}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E938757-7AED-11D7-B84B-0002A5623377}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DDF3FE5-24D4-4289-9143-E1FFD70CD934}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage\CLSID\ = "{0E938757-7AED-11D7-B84B-0002A5623377}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage.1\CLSID\ = "{FDA2243F-7BAA-11D7-B84B-0002A5623377}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.LicensePropPage\CurVer\ = "GenDMOProp.LicensePropPage.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0E93874B-7AED-11D7-B84B-0002A5623377}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GS_LOADER\\MP4SDEC.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage.1\ = "GenDMOPropPage Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.GenDMOPropPage regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenDMOProp.StatisticsPropPage\CLSID\ = "{3DDF3FE5-24D4-4289-9143-E1FFD70CD934}" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe 1316 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4160 wrote to memory of 1316 4160 regsvr32.exe 81 PID 4160 wrote to memory of 1316 4160 regsvr32.exe 81 PID 4160 wrote to memory of 1316 4160 regsvr32.exe 81
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\GS_LOADER\MP4SDEC.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4160 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\GS_LOADER\MP4SDEC.dll2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:1316
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