84bbe4d6527226bc4f8853b652bd86d946b9437a73f7aa706955670ec3eac981

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 17:14

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General

Target
RICHTX32.dll
Size 207KB
Sample241002-vsctca1flb
SHA256 318cc48cbcfaba9592956e4298886823cc5f37626c770d6dadbcd224849680c5
MD5 045a16822822426c305ea7280270a3d6
SHA1 43075b6696bb2d2f298f263971d4d3e48aa4f561
SHA512 5a042ff0a05421fb01e0a95a8b62f3ce81f90330daed78f09c7d5d2abcb822a2fe99d00494c3ddd96226287fae51367e264b48b2831a8c080916ce18c0a675fa
SSDEEP 6144:hTr80hTueZXFOTSqP0xqRBTdtmFdCJErRj6/uE:NhzZVOTSqcxqRBKFdF6/uE
MD5 SHA1 SHA512 SSDEEP

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 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}\ = "IOLEObjects"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\TypeLib\Version = "1.2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\TypeLib\Version = "1.2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl\CurVer\ = "RICHTEXT.RichtextCtrl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\RICHTX32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\ = "DRichTextEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78E5A540-1850-11CF-9D53-00AA003C9CB6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\RICHTX32.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AFC634B0-4B8B-11CF-8989-00AA00688B10}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\ = "Microsoft Rich Textbox Control 6.0 (SP6)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\ = "Microsoft Rich Textbox Control 6.0 (SP6)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\TypeLib\Version = "1.2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RICHTEXT.RichtextCtrl\CLSID\ = "{3B7C8860-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ = "IOLEObject"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AFC634B0-4B8B-11CF-8989-00AA00688B10}\ = "RichText Apppearance Property Page Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED117630-4090-11CF-8981-00AA00688B10}\ = "IOLEObject"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78E5A540-1850-11CF-9D53-00AA003C9CB6}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78E5A540-1850-11CF-9D53-00AA003C9CB6}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AFC634B0-4B8B-11CF-8989-00AA00688B10}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9A5593C-CAB0-11D1-8C0B-0000F8754DA1}\TypeLib\ = "{3B7C8863-D78F-101B-B9B5-04021C009402}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Version\ = "1.2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\RICHTX32.dll, 1"	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\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ = "IVBDataObjectFiles"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{859321D0-3FD1-11CF-8981-00AA00688B10}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B617B991-A767-4F05-99BA-AC6FCABB102E}\ = "Microsoft Rich Textbox Control 6.0 (SP6)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78E5A540-1850-11CF-9D53-00AA003C9CB6}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B7C8863-D78F-101B-B9B5-04021C009402}\1.2\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B7C8862-D78F-101B-B9B5-04021C009402}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B7C8860-D78F-101B-B9B5-04021C009402}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1968	2368	regsvr32.exe	29
PID 2368 wrote to memory of 1968	2368	regsvr32.exe	29
PID 2368 wrote to memory of 1968	2368	regsvr32.exe	29
PID 2368 wrote to memory of 1968	2368	regsvr32.exe	29
PID 2368 wrote to memory of 1968	2368	regsvr32.exe	29
PID 2368 wrote to memory of 1968	2368	regsvr32.exe	29
PID 2368 wrote to memory of 1968	2368	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\RICHTX32.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\RICHTX32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1968

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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