8109b2fe6fe61eec679d059c1e553c20777dde2b6b8200ce3bdf57b2f2068bf5

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/09/2024, 03:48

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General

Target

$TEMP/Assist_hanzify.exe
Size

193KB
MD5

7e32fa5420daf2bef4833396f4390ab4
SHA1

22238aa3e8ad066c525afc62e140937bfd597ca8
SHA256

7a9be0f039c30ed7b521619244d5f1b34029f573162b39022948ab472bb65a04
SHA512

3b5307f03cd6f74c11440aa36f0222c21850af7f4723e73b261b727b5c03c94fe2fa02e897e8a07c13c4bc0b53819a3b3ca6be0c668328fe0de0de5a9ff56ea1
SSDEEP

3072:ck5+bFdkJCaWvV9MDKsxt+Q2ua4m3r8HlimB4PKPRngJY/HkzanhV2HD:x05aoV92xt12N33r8BOU+J6kzanhsHD

Score

8^/10

adware discovery persistence stealer

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Assist_hanzify.exe

Loads dropped DLL 9 IoCs

pid	Process
1680	Assist_hanzify.exe
1680	Assist_hanzify.exe
1680	Assist_hanzify.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
1680	Assist_hanzify.exe
1680	Assist_hanzify.exe
1680	Assist_hanzify.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\helper.dll = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~2\\3721\\helper.dll,Rundll32"	Assist_hanzify.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BB936323-19FA-4521-BA29-ECA6A121BC78}	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{BB936323-19FA-4521-BA29-ECA6A121BC78}\ = "AssistII"	Assist_hanzify.exe

Drops file in Program Files directory 40 IoCs

description	ioc	Process
File created	C:\PROGRA~2\3721\i3721res.dat	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\7.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\prodef.ini	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\9.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\profile.ini	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\1.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\10.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\4.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\cns01.dat	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Helper.dll	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\6.bmp	Assist_hanzify.exe
File created	C:\Program Files (x86)\3721\Assist\assist.dll	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\5.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\profile.ini	Assist_hanzify.exe
File created	C:\Program Files (x86)\3721\Assist\asbar.dll	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\4.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\Logo.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\2.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\3.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\6.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\8.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\3.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\8.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\11.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\prodef.ini	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\3721\Helper.dll	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\11.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\2.bmp	Assist_hanzify.exe
File opened for modification	C:\PROGRA~2\3721\cns01.dat	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\9.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\Logo.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\custom.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\coolbar.cab	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\1.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\10.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\7.bmp	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\Coolbar\custom.bmp	Assist_hanzify.exe
File created	C:\Program Files (x86)\3721\AutoLive.dll	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\3721\cns01.dat	Assist_hanzify.exe
File created	C:\PROGRA~2\3721\Assist\3721\Coolbar\5.bmp	Assist_hanzify.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Assist_hanzify.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Search\CustomizeSearch = "http://ie.search.msn.com/{SUB_RFC1766}/srchasst/srchcust.htm"	Assist_hanzify.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\URLSearchHooks	Assist_hanzify.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\URLSearchHooks\{CFBFAE00-17A6-11D0-99CB-00C04FD64497}	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Toolbar	Assist_hanzify.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Search	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Search\SearchAssistant = "http://ie.search.msn.com/{SUB_RFC1766}/srchasst/srchasst.htm"	Assist_hanzify.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\URLSearchHooks	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar\{BB936323-19FA-4521-BA29-ECA6A121BC78} = "????"	Assist_hanzify.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\URLSearchHooks\{BB936323-19FA-4521-BA29-ECA6A121BC78} = "coolbar"	Assist_hanzify.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}\Programmable	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4839331-534D-4D0C-875F-D25AF6A10CCC}\1.0	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}\TypeLib\ = "{D4839331-534D-4D0C-875F-D25AF6A10CCC}"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{924F5B3A-7A27-484A-B873-E855C9708667}\ = "IEasyAssist"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{924F5B3A-7A27-484A-B873-E855C9708667}\ProxyStubClsid32	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CoolBar.CoolBarObj\CLSID	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CoolBar.CoolBarObj\CurVer	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}\ProxyStubClsid32	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}\InprocServer32	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}\ProxyStubClsid32	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}\1.0\ = "AutoLive 1.0 Type Library"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CoolBar.CoolBarObj.1\CLSID\ = "{BB936323-19FA-4521-BA29-ECA6A121BC78}"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}\ProxyStubClsid32	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4839331-534D-4D0C-875F-D25AF6A10CCC}\1.0\0\win32\ = "C:\\Program Files (x86)\\3721\\Assist\\asbar.dll"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AutoLive.Live\CurVer	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{19069804-2CF0-4357-B696-BA6E9AAD99EF}\1.0\HELPDIR\ = "C:\\PROGRA~2\\3721\\Assist"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{924F5B3A-7A27-484A-B873-E855C9708667}	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AutoLive.Live.1	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}\1.0\0	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}\1.0\HELPDIR	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}\TypeLib	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7CA83CF1-3AEA-42D0-A4E3-1594FC6E48B2}\ = "AutoLive"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}\TypeLib	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{19069804-2CF0-4357-B696-BA6E9AAD99EF}\1.0	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CoolBar.CoolBarObj\ = "ÉÏÍøÖúÊÖ"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CoolBar.CoolBarObj.1\ = "ÉÏÍøÖúÊÖ"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Assist.EasyAssist\CLSID	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}\TypeLib\ = "{D4839331-534D-4D0C-875F-D25AF6A10CCC}"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1B0E7716-898E-48CC-9690-4E338E8DE1D3}\InprocServer32	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Assist.EasyAssist.1	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Assist.EasyAssist.1\CLSID\ = "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}\InprocServer32\ThreadingModel = "Apartment"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}\VersionIndependentProgID	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4839331-534D-4D0C-875F-D25AF6A10CCC}\1.0\0	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}\TypeLib\ = "{D4839331-534D-4D0C-875F-D25AF6A10CCC}"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Assist.EasyAssist\CurVer	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}\TypeLib\Version = "1.0"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}\TypeLib	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CoolBar.CoolBarObj\CurVer\ = "CoolBar.CoolBarObj.1"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}\TypeLib	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{19069804-2CF0-4357-B696-BA6E9AAD99EF}\1.0\ = "Assist 1.0 Type Library"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{19069804-2CF0-4357-B696-BA6E9AAD99EF}\1.0\HELPDIR	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Assist.EasyAssist\CLSID\ = "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}\ = "ILive"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}\1.0\0\win32	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}\1.0\0\win32\ = "C:\\PROGRA~2\\3721\\AutoLive.dll"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}\ProgID	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}\TypeLib\Version = "1.0"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}\1.0	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7436DB12-1A7A-4D87-A4E0-713EC9D86050}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1B0E7716-898E-48CC-9690-4E338E8DE1D3}\InprocServer32\ThreadingModel = "Apartment"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4839331-534D-4D0C-875F-D25AF6A10CCC}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\3721\\Assist\\"	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}\1.0\FLAGS	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CoolBar.CoolBarObj	Assist_hanzify.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AutoLive.Live\ = "Live Class"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BB936323-19FA-4521-BA29-ECA6A121BC78}\ProgID\ = "CoolBar.CoolBarObj.1"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D4839331-534D-4D0C-875F-D25AF6A10CCC}\1.0\ = "CoolBar 1.0 Type Library"	Assist_hanzify.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1B0E7716-898E-48CC-9690-4E338E8DE1D3}\InprocServer32\ = "C:\\Program Files (x86)\\3721\\Assist\\assist.dll"	Assist_hanzify.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	Assist_hanzify.exe
Token: SeRestorePrivilege	1680	Assist_hanzify.exe
Token: SeBackupPrivilege	1680	Assist_hanzify.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2176	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2176	1680	Assist_hanzify.exe	30
PID 1680 wrote to memory of 2176	1680	Assist_hanzify.exe	30
PID 1680 wrote to memory of 2176	1680	Assist_hanzify.exe	30
PID 1680 wrote to memory of 2176	1680	Assist_hanzify.exe	30
PID 1680 wrote to memory of 2176	1680	Assist_hanzify.exe	30
PID 1680 wrote to memory of 2176	1680	Assist_hanzify.exe	30
PID 1680 wrote to memory of 2176	1680	Assist_hanzify.exe	30

C:\Users\Admin\AppData\Local\Temp\$TEMP\Assist_hanzify.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\Assist_hanzify.exe"
1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\PROGRA~2\3721\helper.dll,Rundll32
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~2\3721\helper.dll

Filesize
44KB

MD5
49ae58008fc003af6f952a82c33aa3dd

SHA1
330630c95b6be9b61398d5952be9ee1f45799606

SHA256
8036ad2d2f302fafdef719836277834dd4f39289c326439543a86ac899384873

SHA512
bc9f20a02903452ecfa63fe290bfa550b10ce548247bb2452c3eb23bbca48d82144ab2fad22e4da7349465a3e0be5230b9cc0e2028a3318d7ea2990bca7ae8c3

Download Submit
\Program Files (x86)\3721\Assist\asbar.dll

Filesize
156KB

MD5
aaf5a6b61ca11868c31011a68d95a5ef

SHA1
d58bb83332af9e56758ff5cb1fcd3173567e6c4c

SHA256
a8cd1c0f58135ad104b0d2a3064d3d4b9792be5ff40a721aac7eb37e26708b36

SHA512
e6461950958a38089197932f6ba34b578a6d6932e1cf7412a2c93f5841e853468037c0cd2081d3ef5f744ab04df7b8b967113aa255066a1f22ae980dc6ceca3b

Download Submit
\Program Files (x86)\3721\Assist\assist.dll

Filesize
49KB

MD5
a3cbf83f654e5cc90422f4cc7a44f339

SHA1
58d03194e3e7691e30294a19ba798005fe9eba0b

SHA256
985815be546603778889135b8057ca9e43494993b21d880e7ad164659fff8060

SHA512
5f56d5dd8f4443ebaea493ae56f940fa68c1b384f045c8d01f64c92440cbcc10fc83f6a3cab924d258a90345c51bd5d1c481338a627b521a1384a570e2958d76

Download Submit
\Program Files (x86)\3721\AutoLive.dll

Filesize
128KB

MD5
7ff63507a1ea33dc677c1f0a838fadf6

SHA1
c35183495c7d90f22ad83970b4a86ca0c4b8b433

SHA256
68dbf3a7828473663ca275c6eef36d91ae0e620baa7c1583d0bbc4f780dbe5c3

SHA512
cdb8901c61e92894cf471fc305b0087f4849a71b8cb9f04eb6ddc6b53f90825532ceaaf57f6e5f98ff1f5a18ba20a0ecb6583a12e8777b5145704058582eb27d

Download Submit
\Users\Admin\AppData\Local\Temp\nsdA823.tmp\System.dll

Filesize
10KB

MD5
b21538d9f049d3e3e8b666744d7ca36d

SHA1
b97fc58f9aa238758a7574a2e32dac4e97392f47

SHA256
9dbe958fd425903ffc2197a112bec4fa597284f9637fe8fd5685016f32e21334

SHA512
05d2c660a43519fd35daa3b4310419b33e61ce8557bde55942315ca59c3b9cb9fdeaea42c403ad78a54fa9923eaa712bcf5a10dea83619a18c4ef0c451e6d533

Download Submit
\Users\Admin\AppData\Local\Temp\nsdA823.tmp\wmpns.dll

Filesize
44KB

MD5
67a76be36af407f74a340515312da5f8

SHA1
e1bf0b505629ccbbf2e0ec86b30e31ac1f7f835d

SHA256
eff43f4fd70798e1ad53302b38f14c8f905eacb404a650f82f61f7a222863571

SHA512
35b6821dc440ed8254a1a84c7ed002013d71321327a09e4e2144801651cb47c288fe9eef100fb09ccd43dfa5c562b6a8c3013059f0d46ff9d921585c217c17ac

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads