Overview
overview
7Static
static
3OFW1_SDK/D...m1.vbs
windows7-x64
1OFW1_SDK/D...m1.vbs
windows10-2004-x64
1OFW1_SDK/D...32.dll
windows7-x64
3OFW1_SDK/D...32.dll
windows10-2004-x64
3OFW1_SDK/D...CK.dll
windows7-x64
3OFW1_SDK/D...CK.dll
windows10-2004-x64
3OFW1_SDK/D...VB.exe
windows7-x64
3OFW1_SDK/D...VB.exe
windows10-2004-x64
3OFW1_SDK/D...CX.dll
windows7-x64
3OFW1_SDK/D...CX.dll
windows10-2004-x64
3OFW1_SDK/D...CX.dll
windows7-x64
3OFW1_SDK/D...CX.dll
windows10-2004-x64
3OFW1_SDK/D...pk.dll
windows7-x64
7OFW1_SDK/D...pk.dll
windows10-2004-x64
7OFW1_SDK/D...��.doc
windows7-x64
4OFW1_SDK/D...��.doc
windows10-2004-x64
1OFW1_SDK/D...��.doc
windows7-x64
4OFW1_SDK/D...��.doc
windows10-2004-x64
1OFW1_SDK/D...m1.vbs
windows7-x64
1OFW1_SDK/D...m1.vbs
windows10-2004-x64
1OFW1_SDK/D...32.dll
windows7-x64
3OFW1_SDK/D...32.dll
windows10-2004-x64
3OFW1_SDK/D...CK.dll
windows7-x64
3OFW1_SDK/D...CK.dll
windows10-2004-x64
3OFW1_SDK/D...in.doc
windows7-x64
4OFW1_SDK/D...in.doc
windows10-2004-x64
1OFW1_SDK/D...W1.doc
windows7-x64
4OFW1_SDK/D...W1.doc
windows10-2004-x64
1OFW1_SDK/D...VB.exe
windows7-x64
3OFW1_SDK/D...VB.exe
windows10-2004-x64
3OFW1_SDK/D...CX.dll
windows7-x64
3OFW1_SDK/D...CX.dll
windows10-2004-x64
Analysis
-
max time kernel
99s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 11:38
Static task
static1
Behavioral task
behavioral1
Sample
OFW1_SDK/Demo_VB_CN/Form1.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
OFW1_SDK/Demo_VB_CN/Form1.vbs
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
OFW1_SDK/Demo_VB_CN/MSCOMM32.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
OFW1_SDK/Demo_VB_CN/MSCOMM32.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
OFW1_SDK/Demo_VB_CN/MSWINSCK.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
OFW1_SDK/Demo_VB_CN/MSWINSCK.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
OFW1_SDK/Demo_VB_CN/OFW1_Demo_VB.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
OFW1_SDK/Demo_VB_CN/OFW1_Demo_VB.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
OFW1_SDK/Demo_VB_CN/OFW1_OCX.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
OFW1_SDK/Demo_VB_CN/OFW1_OCX.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
OFW1_SDK/Demo_VB_CN/OFW1_OCX.dll
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
OFW1_SDK/Demo_VB_CN/OFW1_OCX.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
OFW1_SDK/Demo_VB_CN/lpk.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
OFW1_SDK/Demo_VB_CN/lpk.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
OFW1_SDK/Demo_VB_CN/消费机操作说明书.doc
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
OFW1_SDK/Demo_VB_CN/消费机操作说明书.doc
Resource
win10v2004-20240910-en
Behavioral task
behavioral17
Sample
OFW1_SDK/Demo_VB_CN/说明.doc
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
OFW1_SDK/Demo_VB_CN/说明.doc
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
OFW1_SDK/Demo_VB_TW/Form1.vbs
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
OFW1_SDK/Demo_VB_TW/Form1.vbs
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
OFW1_SDK/Demo_VB_TW/MSCOMM32.dll
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
OFW1_SDK/Demo_VB_TW/MSCOMM32.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
OFW1_SDK/Demo_VB_TW/MSWINSCK.dll
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
OFW1_SDK/Demo_VB_TW/MSWINSCK.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
OFW1_SDK/Demo_VB_TW/Mach_Explain.doc
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
OFW1_SDK/Demo_VB_TW/Mach_Explain.doc
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
OFW1_SDK/Demo_VB_TW/OFW1.doc
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
OFW1_SDK/Demo_VB_TW/OFW1.doc
Resource
win10v2004-20240910-en
Behavioral task
behavioral29
Sample
OFW1_SDK/Demo_VB_TW/OFW1_Demo_VB.exe
Resource
win7-20240729-en
Behavioral task
behavioral30
Sample
OFW1_SDK/Demo_VB_TW/OFW1_Demo_VB.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
OFW1_SDK/Demo_VB_TW/OFW1_OCX.dll
Resource
win7-20240708-en
Behavioral task
behavioral32
Sample
OFW1_SDK/Demo_VB_TW/OFW1_OCX.dll
Resource
win10v2004-20240802-en
General
-
Target
OFW1_SDK/Demo_VB_TW/MSWINSCK.dll
-
Size
121KB
-
MD5
e8a2190a9e8ee5e5d2e0b599bbf9dda6
-
SHA1
4e97bf9519c83835da9db309e61ec87ddf165167
-
SHA256
80ab0b86de58a657956b2a293bd9957f78e37e7383c86d6cd142208c153b6311
-
SHA512
57f8473eedaf7e8aad3b5bcbb16d373fd6aaec290c3230033fc50b5ec220e93520b8915c936e758bb19107429a49965516425350e012f8db0de6d4f6226b42ee
-
SSDEEP
3072:9PdIuG8UvahsdcYX3UI2EuJ3im/ZCdady+RlTp/VYq63+sB:9PBUyhsdEI2++M+RlTHYL
Malware Config
Signatures
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ToolboxBitmap32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OFW1_SDK\\Demo_VB_TW\\MSWINSCK.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OFW1_SDK\\Demo_VB_TW\\MSWINSCK.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ProgID\ = "MSWinsock.Winsock.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{40FC6ED4-2438-11CF-A3DB-080036F12502} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\ = "Winsock General Property Page Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\HELPDIR\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ = "Microsoft WinSock Control, version 6.0 (SP6)" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OFW1_SDK\\Demo_VB_TW\\MSWINSCK.dll, 1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\ = "Microsoft Winsock Control 6.0 (SP6)" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ = "IMSWinsockControl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CLSID\ = "{248DD896-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\ = "Microsoft WinSock Control, version 6.0 (SP6)" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Version\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\FLAGS\ = "2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Control regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A57-2BAA-11CF-A229-00AA003D7352} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OFW1_SDK\\Demo_VB_TW\\MSWINSCK.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ = "DMSWinsockControlEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\VersionIndependentProgID\ = "MSWinsock.Winsock" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ = "DMSWinsockControlEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CurVer\ = "MSWinsock.Winsock.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3988 wrote to memory of 3564 3988 regsvr32.exe 83 PID 3988 wrote to memory of 3564 3988 regsvr32.exe 83 PID 3988 wrote to memory of 3564 3988 regsvr32.exe 83
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\OFW1_SDK\Demo_VB_TW\MSWINSCK.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\OFW1_SDK\Demo_VB_TW\MSWINSCK.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3564
-