3d7d2fbff056715df82ff6087da813f9eab7626231db45788506896fa399ca44

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 21:30

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General

Target

App/UltraISO/isoshell.dll
Size

77KB
MD5

bdcc1a4b4d745db4397b6ae3eb9c954b
SHA1

9ab18e41e17898aaf82d37dabb0811dcd0ed9947
SHA256

19d13f1930210741ba580c0d031121435c225953b5203823fbe18c1e8d58b94b
SHA512

f840c1f3d826a67c9a9d0eaace282f2baf23f857d4a26f14106a3917f409179a3b1348b9d0cc47a15225cc38d9344b676aabaa5f7f161e1d3720790ec52bae2d
SSDEEP

1536:Dgow6VlJIGobKKouSgDu1sZxVsmdPvSYFETm9Uf:0owkJfxKouy1GVsmdPvSYFET

Score

3^/10

discovery

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 62 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\CurVer\ = "ISOShell.UIContextMenu.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\ = "UIContextMenu Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO\shellex\ContextMenuHandlers\ISOShell	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO\shellex\ContextMenuHandlers	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\binimage\shellex\ContextMenuHandlers	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\CLSID\ = "{AD392E40-428C-459F-961E-9B147782D099}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\UltraISO\ = "{AD392E40-428C-459F-961E-9B147782D099}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\ProgID\ = "ISOShell.UIContextMenu.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\App\\UltraISO\\isoshell.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\ = "UIContextMenu Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu.1\ = "UIContextMenu Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\VersionIndependentProgID\ = "ISOShell.UIContextMenu"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib\ = "{1CD46142-F3D3-4E46-87BA-7CC019142F9D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib\ = "{1CD46142-F3D3-4E46-87BA-7CC019142F9D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\UltraISO	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO\shellex	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ = "IUIContextMenu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\UltraISO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ = "IUIContextMenu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\binimage\shellex\ContextMenuHandlers\ISOShell	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\binimage	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\ = "ISOShell 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\App\\UltraISO\\isoshell.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\UltraISO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\UltraISO\ = "{AD392E40-428C-459F-961E-9B147782D099}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\binimage\shellex	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\TypeLib\ = "{1CD46142-F3D3-4E46-87BA-7CC019142F9D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\UltraISO\shellex\ContextMenuHandlers\ISOShell\ = "{AD392E40-428C-459F-961E-9B147782D099}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\binimage\shellex\ContextMenuHandlers\ISOShell\ = "{AD392E40-428C-459F-961E-9B147782D099}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu.1\CLSID\ = "{AD392E40-428C-459F-961E-9B147782D099}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\App\\UltraISO\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISOShell.UIContextMenu	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AD392E40-428C-459F-961E-9B147782D099}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\UltraISO\ = "{AD392E40-428C-459F-961E-9B147782D099}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1CD46142-F3D3-4E46-87BA-7CC019142F9D}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9653DE66-C5E0-4AEE-ADE5-0197BA68CE2B}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2172	2264	regsvr32.exe	31
PID 2264 wrote to memory of 2172	2264	regsvr32.exe	31
PID 2264 wrote to memory of 2172	2264	regsvr32.exe	31
PID 2264 wrote to memory of 2172	2264	regsvr32.exe	31
PID 2264 wrote to memory of 2172	2264	regsvr32.exe	31
PID 2264 wrote to memory of 2172	2264	regsvr32.exe	31
PID 2264 wrote to memory of 2172	2264	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\App\UltraISO\isoshell.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\App\UltraISO\isoshell.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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