Overview
overview
6Static
static
3CMDLGCHS.dll
windows7-x64
1CMDLGCHS.dll
windows10-2004-x64
1COMCAT.dll
windows7-x64
3COMCAT.dll
windows10-2004-x64
3COMDLG32.dll
windows7-x64
3COMDLG32.dll
windows10-2004-x64
3MCI32.dll
windows7-x64
3MCI32.dll
windows10-2004-x64
3MCICHS.dll
windows7-x64
1MCICHS.dll
windows10-2004-x64
1MSCMCCHS.dll
windows7-x64
1MSCMCCHS.dll
windows10-2004-x64
1MSCOMCTL.dll
windows7-x64
3MSCOMCTL.dll
windows10-2004-x64
3SETUP1.exe
windows7-x64
3SETUP1.exe
windows10-2004-x64
3ST6UNST.exe
windows7-x64
3ST6UNST.exe
windows10-2004-x64
3VB6CHS.dll
windows7-x64
1VB6CHS.dll
windows10-2004-x64
1VB6STKIT.dll
windows7-x64
3VB6STKIT.dll
windows10-2004-x64
3flyenglish.url
windows7-x64
6flyenglish.url
windows10-2004-x64
3flyenglishspirit.exe
windows7-x64
6flyenglishspirit.exe
windows10-2004-x64
6frmp3enc.dll
windows7-x64
3frmp3enc.dll
windows10-2004-x64
3gwcomm2004.dll
windows7-x64
3gwcomm2004.dll
windows10-2004-x64
3gwjdsengdll.dll
windows7-x64
3gwjdsengdll.dll
windows10-2004-x64
3Analysis
-
max time kernel
136s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2024, 01:37
Static task
static1
Behavioral task
behavioral1
Sample
CMDLGCHS.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
CMDLGCHS.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
COMCAT.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
COMCAT.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
COMDLG32.dll
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
COMDLG32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
MCI32.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
MCI32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
MCICHS.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
MCICHS.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
MSCMCCHS.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
MSCMCCHS.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
MSCOMCTL.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
MSCOMCTL.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
SETUP1.exe
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
SETUP1.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
ST6UNST.exe
Resource
win7-20241010-en
Behavioral task
behavioral18
Sample
ST6UNST.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
VB6CHS.dll
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
VB6CHS.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
VB6STKIT.dll
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
VB6STKIT.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
flyenglish.url
Resource
win7-20240708-en
Behavioral task
behavioral24
Sample
flyenglish.url
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
flyenglishspirit.exe
Resource
win7-20240708-en
Behavioral task
behavioral26
Sample
flyenglishspirit.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
frmp3enc.dll
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
frmp3enc.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
gwcomm2004.dll
Resource
win7-20240729-en
Behavioral task
behavioral30
Sample
gwcomm2004.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
gwjdsengdll.dll
Resource
win7-20240903-en
Behavioral task
behavioral32
Sample
gwjdsengdll.dll
Resource
win10v2004-20241007-en
General
-
Target
MCI32.dll
-
Size
193KB
-
MD5
62b0194f801f2ae74b8b70900da50901
-
SHA1
a3f5ee54175d3af80c3be7a056986882b090a5e5
-
SHA256
07bf28692ac79fd7e7de7cff2291ea945bb5a60d427ae2fd7a19dde738b67438
-
SHA512
95b8755de564832a42f1ce8c4c1ee576bddcecc13d6d556fbf4911001cee086f749839a76d18b4507c96c79adfccf4cd0c2500cc38b9f24d3fd2f2e8dda0f23e
-
SSDEEP
3072:E/653niGUIj1g7ncw8S/CKzxAffNXICkvSVRUKW9sgxO1R/Wa82HAgwgO942/SRc:D3niGUe1g7cwP/VUf+OVRUKW96NXxt6X
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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl\CurVer\ = "MCI.MMControl.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{0DE86A57-2BAA-11CF-A229-00AA003D7352} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\ = "Microsoft Multimedia Control 6.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MCI32.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MCI32.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MCI32.dll, 1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3775D2E0-7C5D-11CF-899E-00AA00688B10} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\ProgID\ = "MCI.MMControl.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{40FC6ED4-2438-11CF-A3DB-080036F12502} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ = "DmciEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Control regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\FLAGS\ = "2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ = "IVBDataObject" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\VersionIndependentProgID\ = "MCI.MMControl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3775D2E0-7C5D-11CF-899E-00AA00688B10} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EFD6A40-3999-11CF-9150-00AA0059F70D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ = "IVBDataObject" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\MiscStatus\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EFD6A40-3999-11CF-9150-00AA0059F70D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MCI32.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3775D2E0-7C5D-11CF-899E-00AA00688B10}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\ = "Imci" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl.1\ = "Microsoft Multimedia Control, version 6.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EFD6A40-3999-11CF-9150-00AA0059F70D}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3775D2E0-7C5D-11CF-899E-00AA00688B10}\ = "MCI Controls Property Page Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl\CLSID regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1492 wrote to memory of 1232 1492 regsvr32.exe 86 PID 1492 wrote to memory of 1232 1492 regsvr32.exe 86 PID 1492 wrote to memory of 1232 1492 regsvr32.exe 86
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\MCI32.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\MCI32.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1232
-