Overview
overview
10Static
static
7About.chm
windows7-x64
1About.chm
windows10-2004-x64
10Setup_s34.exe
windows7-x64
7Setup_s34.exe
windows10-2004-x64
10baid.exe
windows7-x64
7baid.exe
windows10-2004-x64
10bind_8152.exe
windows7-x64
7bind_8152.exe
windows10-2004-x64
10duisc.exe
windows7-x64
8duisc.exe
windows10-2004-x64
10edmtd.exe
windows7-x64
7edmtd.exe
windows10-2004-x64
10itadx.exe
windows7-x64
7itadx.exe
windows10-2004-x64
10ly2_03.exe
windows7-x64
10ly2_03.exe
windows10-2004-x64
10pcast.exe
windows7-x64
10pcast.exe
windows10-2004-x64
10pingtu12.exe
windows7-x64
1pingtu12.exe
windows10-2004-x64
10qqa02_u88setup.exe
windows7-x64
8qqa02_u88setup.exe
windows10-2004-x64
10sdcnc.exe
windows7-x64
8sdcnc.exe
windows10-2004-x64
10sdpig.exe
windows7-x64
7sdpig.exe
windows10-2004-x64
10sdreg.exe
windows7-x64
1sdreg.exe
windows10-2004-x64
10sdset.exe
windows7-x64
10sdset.exe
windows10-2004-x64
10sogoutb_se...ni.exe
windows7-x64
7sogoutb_se...ni.exe
windows10-2004-x64
10Analysis
-
max time kernel
134s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:27
Behavioral task
behavioral1
Sample
About.chm
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
About.chm
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
Setup_s34.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
Setup_s34.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
baid.exe
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
baid.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
bind_8152.exe
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
bind_8152.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
duisc.exe
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
duisc.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
edmtd.exe
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
edmtd.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
itadx.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
itadx.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
ly2_03.exe
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
ly2_03.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
pcast.exe
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
pcast.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral19
Sample
pingtu12.exe
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
pingtu12.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
qqa02_u88setup.exe
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
qqa02_u88setup.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral23
Sample
sdcnc.exe
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
sdcnc.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
sdpig.exe
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
sdpig.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
sdreg.exe
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
sdreg.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral29
Sample
sdset.exe
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
sdset.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
sogoutb_setup_pp365sosoft08mini.exe
Resource
win7-20231215-en
General
-
Target
Setup_s34.exe
-
Size
81KB
-
MD5
790d506cbf467ed499fcb03d311e405e
-
SHA1
2d4c2a6f8b11498f736b8432cf016c98fbd45a1b
-
SHA256
236f71b0e60e1025c1bfb7ee85b7c156a81428427eeb04d215ed265e2a3d01a5
-
SHA512
210e080c7cfccf7e3511bbc9128e25a2e87200cb2deb5cf4924d7f47fcd2bf9c6a83a819d1a23116126fee323978aabc1db5d4a10d324b9643627f601d0a8d42
-
SSDEEP
1536:sm0D+h7JiBvgGeRT9ZSdNoRJP5gk8WmSAybU7JfjOagXdLLWPBVJCK2PKKkYM5M0:oD+JYBIzT9ZwNoRJPB8uAd7AafnhVX51
Malware Config
Signatures
-
ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule behavioral4/files/0x0002000000022775-3.dat acprotect behavioral4/files/0x000a000000023031-17.dat acprotect -
Loads dropped DLL 8 IoCs
Processes:
Setup_s34.exerundll32.exerundll32.exerundll32.exerundll32.exepid Process 648 Setup_s34.exe 648 Setup_s34.exe 648 Setup_s34.exe 4124 rundll32.exe 2552 rundll32.exe 648 Setup_s34.exe 3320 rundll32.exe 4888 rundll32.exe -
Processes:
resource yara_rule behavioral4/files/0x0002000000022775-3.dat upx behavioral4/memory/648-5-0x0000000010000000-0x0000000010011000-memory.dmp upx behavioral4/files/0x000a000000023031-17.dat upx behavioral4/memory/2552-25-0x0000000010000000-0x0000000010011000-memory.dmp upx behavioral4/memory/648-23-0x0000000010000000-0x000000001001C000-memory.dmp upx behavioral4/memory/4124-27-0x0000000010000000-0x0000000010011000-memory.dmp upx behavioral4/memory/3320-37-0x0000000010000000-0x000000001001C000-memory.dmp upx behavioral4/memory/4888-40-0x0000000010000000-0x000000001001C000-memory.dmp upx -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Installs/modifies Browser Helper Object 2 TTPs 4 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
Setup_s34.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6A512BF7-EC78-4e8d-9841-6C02E8FA9838} Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6A512BF7-EC78-4e8d-9841-6C02E8FA9838}\ Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6671A431-5C3D-463d-A7CF-5587F9B7E191} Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\ = "MMSAssist" Setup_s34.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
rundll32.exerundll32.exedescription ioc Process File opened for modification \??\PhysicalDrive0 rundll32.exe File opened for modification \??\PhysicalDrive0 rundll32.exe -
Drops file in System32 directory 2 IoCs
Processes:
Setup_s34.exedescription ioc Process File created C:\Windows\SysWOW64\std.ini Setup_s34.exe File created C:\Windows\SysWOW64\stdup.dll Setup_s34.exe -
Drops file in Program Files directory 2 IoCs
Processes:
Setup_s34.exedescription ioc Process File created C:\Program Files (x86)\MMSAssist\MMSAssist.dll Setup_s34.exe File created C:\Program Files (x86)\MMSAssist\mms.ini Setup_s34.exe -
Processes:
Setup_s34.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{6671A433-5C3D-463d-A7CF-5587F9B7E191}\CLSID = "{1FBA04EE-3024-11d2-8F1F-0000F87ABD16}" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{6671A433-5C3D-463d-A7CF-5587F9B7E191}\ClsidExtension = "{6671A432-5C3D-463d-A7CF-5587F9B7E191}" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{6671A433-5C3D-463d-A7CF-5587F9B7E191}\MenuText = "MMSAssist¹¤¾ßÌõÉèÖÃ" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{6671A433-5C3D-463d-A7CF-5587F9B7E191}\MenuStatusBar = "´ò¿ªMMSAssist¹¤¾ßÌõÉèÖýçÃæ" Setup_s34.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\MenuExt\ >> ²ÊÐÅ·¢ËÍ << Setup_s34.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\ >> ²ÊÐÅ·¢ËÍ <<\ = "res://C:\\Program Files (x86)\\MMSAssist\\MMSAssist.dll/mms.htm" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{6671A433-5C3D-463d-A7CF-5587F9B7E191} Setup_s34.exe -
Modifies registry class 64 IoCs
Processes:
Setup_s34.exedescription ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A432-5C3D-463d-A7CF-5587F9B7E191}\ProgID Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6A512BF7-EC78-4E8D-9841-6C02E8FA9838}\ = "std software" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6A512BF7-EC78-4E8D-9841-6C02E8FA9838}\InprocServer32\ThreadingModel = "Apartment" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB45CE36-C280-4525-BCF9-1BD01D3E4B57}\ProxyStubClsid32 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}\ProxyStubClsid32 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{74289A7A-E652-4A57-A6B9-EE64AD532A8D}\TypeLib Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssistMenu\CurVer\ = "MMSBho.MMSAssist.1" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\ = "MMSAssist" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{22F87D75-7DD1-4545-94B3-CA80C0F462C6}\1.0\HELPDIR\ = "C:\\Windows\\System32" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB45CE36-C280-4525-BCF9-1BD01D3E4B57}\ProxyStubClsid32 Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}\ = "IMMSAssist" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}\TypeLib Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssist Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\VersionIndependentProgID\ = "MMSBho.MMSAssist" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\TypeLib Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{22F87D75-7DD1-4545-94B3-CA80C0F462C6}\1.0\0\win32 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB45CE36-C280-4525-BCF9-1BD01D3E4B57}\TypeLib Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssist\CLSID Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A432-5C3D-463d-A7CF-5587F9B7E191}\TypeLib\ = "{077525AC-C681-4139-8C3E-B582BDD375C7}" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6A512BF7-EC78-4E8D-9841-6C02E8FA9838} Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463D-A7CF-5587F9B7E191}\ = "MMSAssist" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{74289A7A-E652-4A57-A6B9-EE64AD532A8D}\ProxyStubClsid32 Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssist\CurVer\ = "MMSBho.MMSAssist.1" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\ProgID Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB45CE36-C280-4525-BCF9-1BD01D3E4B57}\TypeLib\ = "{22F87D75-7DD1-4545-94B3-CA80C0F462C6}" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463D-A7CF-5587F9B7E191}\InprocServer32\ThreadingModel = "Apartment" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssist.1 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssistMenu Setup_s34.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\VersionIndependentProgID Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB45CE36-C280-4525-BCF9-1BD01D3E4B57}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{74289A7A-E652-4A57-A6B9-EE64AD532A8D}\TypeLib\Version = "1.0" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssist\ = "MMSAssist BHO" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\InprocServer32\ = "C:\\PROGRA~2\\MMSASS~1\\MMSASS~1.DLL" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A432-5C3D-463d-A7CF-5587F9B7E191}\ProgID Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6A512BF7-EC78-4E8D-9841-6C02E8FA9838}\InprocServer32\ = "C:\\Windows\\SysWow64\\stdup.dll" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssistMenu.1 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A432-5C3D-463d-A7CF-5587F9B7E191}\Programmable Setup_s34.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\TypeLib Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{74289A7A-E652-4A57-A6B9-EE64AD532A8D}\TypeLib\ = "{077525AC-C681-4139-8C3E-B582BDD375C7}" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{74289A7A-E652-4A57-A6B9-EE64AD532A8D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssist.1\ = "MMSAssist BHO" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A432-5C3D-463d-A7CF-5587F9B7E191}\ = "MMSAssistMenu" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0\HELPDIR Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}\ProxyStubClsid32 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{74289A7A-E652-4A57-A6B9-EE64AD532A8D} Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0\0 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0\0\win32 Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{74289A7A-E652-4A57-A6B9-EE64AD532A8D}\TypeLib\Version = "1.0" Setup_s34.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A432-5C3D-463d-A7CF-5587F9B7E191}\InprocServer32 Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{22F87D75-7DD1-4545-94B3-CA80C0F462C6}\1.0\ = "Ad 1.0 Type Library" Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{22F87D75-7DD1-4545-94B3-CA80C0F462C6}\1.0\0 Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AB45CE36-C280-4525-BCF9-1BD01D3E4B57} Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D} Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MMSBho.MMSAssist\CurVer Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{22F87D75-7DD1-4545-94B3-CA80C0F462C6}\1.0\FLAGS Setup_s34.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0\FLAGS Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0\HELPDIR\ = "C:\\PROGRA~2\\MMSASS~1" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\ = "MMSAssist BHO" Setup_s34.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\Programmable Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{AB45CE36-C280-4525-BCF9-1BD01D3E4B57}\ = "IAxObj" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\ProgID\ = "MMSBho.MMSAssist.1" Setup_s34.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6671A432-5C3D-463d-A7CF-5587F9B7E191}\VersionIndependentProgID\ = "MMSBho.MMSAssistMenu" Setup_s34.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Setup_s34.exedescription pid Process procid_target PID 648 wrote to memory of 4124 648 Setup_s34.exe 89 PID 648 wrote to memory of 4124 648 Setup_s34.exe 89 PID 648 wrote to memory of 4124 648 Setup_s34.exe 89 PID 648 wrote to memory of 2552 648 Setup_s34.exe 90 PID 648 wrote to memory of 2552 648 Setup_s34.exe 90 PID 648 wrote to memory of 2552 648 Setup_s34.exe 90 PID 648 wrote to memory of 3320 648 Setup_s34.exe 91 PID 648 wrote to memory of 3320 648 Setup_s34.exe 91 PID 648 wrote to memory of 3320 648 Setup_s34.exe 91 PID 648 wrote to memory of 4888 648 Setup_s34.exe 92 PID 648 wrote to memory of 4888 648 Setup_s34.exe 92 PID 648 wrote to memory of 4888 648 Setup_s34.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\Setup_s34.exe"C:\Users\Admin\AppData\Local\Temp\Setup_s34.exe"1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:648 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\stdup.dll",EasyFunc2⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
PID:4124
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\stdup.dll",EasyFunc2⤵
- Loads dropped DLL
PID:2552
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C:\Windows\SysWOW64\rundll32.exe"C:\PROGRA~2\MMSASS~1\MMSASS~1.DLL",EasyFunc2⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
PID:3320
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C:\Windows\SysWOW64\rundll32.exe"C:\PROGRA~2\MMSASS~1\MMSASS~1.DLL",EasyFunc2⤵
- Loads dropped DLL
PID:4888
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
109B
MD585646ca34db24a171445eaaa6763a7c0
SHA13a5f16a1ee1d6a908cdd757225bd035fda248ee5
SHA256ff697b42946e70f299930752132dfbe8126929fb81bebe410460afe4631922c6
SHA512bd8e05973bfa5cb31aaa2130a7a53548a35d50e5cd7b304e89e41c55fb774e0afbb8394d8b19866a06dc2cca292d92729ab3660eb253830d487f30637f511f40
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Filesize
35KB
MD5058ebd4e17690cef3297184c47d61420
SHA1f68f8f86377e48446ad236feb758aa9c90480e3f
SHA2562d5a83b130f656a03233960c913f5eb289977cd56feb43d935ed33c6ea808cc4
SHA5128eb2399de7fdc56576c75a85ae97e147d8a59c7f1a2adfd401983e924a78e6ca35bbe69e13435edb9dd474915d7523d8ad70219906b92dda1dbc09570f6c36b1
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Filesize
268B
MD52ad243d85e31161e9fdcdaa3bd9b50d4
SHA17fd4a39c9b14729534240a11a7a5030c1b1101f7
SHA256113ace4fd712004e1dbf2d5c0b351f945ad81178a7c07b5748b102bda8c02533
SHA512f2bb0bd4d495461e450e487b11d143c1c91251fd5f0763e2005dcf5f2e6baa86142a4d9a8c89d63f6e9dce9ecc56624a1b2c1c2185b4ea6718273c02d67593b1
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Filesize
22KB
MD5dd7f9470045b4b6338fe4973f3eb8aa8
SHA1446787465be7c52456b56061f7c31b24df730528
SHA256a76dd4978df85edae624992e4eb95366b74e161965059d33553763f4489dd15b
SHA5126bbfed3126866aa3d1cc21240df1d191b0b12f225822211cd2cf083ec04a90ac1dc27f2dd1998db89f15c87807666f340bb7124611b548c8aa9fd436ca5640ce