84bbe4d6527226bc4f8853b652bd86d946b9437a73f7aa706955670ec3eac981

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 17:14

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General

Target
Tabctl32.dll
Size 218KB
Sample241002-vsctca1flb
SHA256 d10a197fd53e65dc910ca4aed86cb674c613ff14ce6436d1a445bb27a7a499e0
MD5 dc925b6d77ba9ecb532e2f6750be943b
SHA1 f71215e701401f0dd6fe143e3a630b2e168a4fac
SHA512 ee9c40e695a29de7e7b8a9fe1ca01ebba9a8bdc199d46d98c71a4e3ecfec566f2fc31300a5e9867e8c791b15ac3ebec076f0710e0f6eec6c3fdea3bde37ab171
SSDEEP 3072:UYMPPBTUImgJO39KAVpfm+IoXgRpiAcahtplVEkpg3//WttZDbtUSREm/UmL/8N:FC9UvEONTmFkgRpiANhtpliGtXDtR4N
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\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\ProgID\ = "TabDlg.SSTab.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ = "IVBDataObject"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TabDlg.SSTab	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7DA06D40-54A0-11CF-A521-0080C77A7786}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7DA06D40-54A0-11CF-A521-0080C77A7786}\ = "SSTabCtl General Property Page Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC217C7-ED16-11CD-956C-0000C04E4C0A}\TypeLib\ = "{BDC217C8-ED16-11CD-956C-0000C04E4C0A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TabDlg.SSTab.1\CLSID\ = "{BDC217C5-ED16-11CD-956C-0000C04E4C0A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7DA06D40-54A0-11CF-A521-0080C77A7786}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Tabctl32.dll"	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\{BDC217C7-ED16-11CD-956C-0000C04E4C0A}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\Required Categories\{D40C2700-FFA1-11CF-8234-00AA00C1AB85}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC217C7-ED16-11CD-956C-0000C04E4C0A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2A4FCCB0-DFF1-11CF-8E74-00A0C90F26F8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Tabctl32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BDC217C8-ED16-11CD-956C-0000C04E4C0A}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Tabctl32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2A4FCCB0-DFF1-11CF-8E74-00A0C90F26F8}\TypeLib\ = "{BDC217C8-ED16-11CD-956C-0000C04E4C0A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BDC217C7-ED16-11CD-956C-0000C04E4C0A}\TypeLib\ = "{BDC217C8-ED16-11CD-956C-0000C04E4C0A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\ = "Microsoft Tabbed Dialog Control 6.0 (SP6)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TabDlg.SSTab.1\CLSID	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\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2A4FCCB0-DFF1-11CF-8E74-00A0C90F26F8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\ToolboxBitmap32	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}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2A4FCCB0-DFF1-11CF-8E74-00A0C90F26F8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BDC217C7-ED16-11CD-956C-0000C04E4C0A}\ = "DSSTabCtlEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TabDlg.SSTab.1\ = "Microsoft Tabbed Dialog Control 6.0 (SP6)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ = "IVBDataObject"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Tabctl32.dll, 1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BDC217C8-ED16-11CD-956C-0000C04E4C0A}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BDC217C8-ED16-11CD-956C-0000C04E4C0A}\1.1\0	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\{2334D2B3-713E-11CF-8AE5-00AA00C00905}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BDC217C7-ED16-11CD-956C-0000C04E4C0A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BDC217C7-ED16-11CD-956C-0000C04E4C0A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ = "IVBDataObjectFiles"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2A4FCCB0-DFF1-11CF-8E74-00A0C90F26F8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TabDlg.SSTab.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BDC217C8-ED16-11CD-956C-0000C04E4C0A}	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\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2A4FCCB0-DFF1-11CF-8E74-00A0C90F26F8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2A4FCCB0-DFF1-11CF-8E74-00A0C90F26F8}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\VersionIndependentProgID\ = "TabDlg.SSTab"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BDC217C5-ED16-11CD-956C-0000C04E4C0A}\Implemented Categories\{40FC6ED4-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BDC217C8-ED16-11CD-956C-0000C04E4C0A}\1.1\FLAGS\ = "2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2A4FCCB0-DFF1-11CF-8E74-00A0C90F26F8}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 4208	2528	regsvr32.exe	85
PID 2528 wrote to memory of 4208	2528	regsvr32.exe	85
PID 2528 wrote to memory of 4208	2528	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Tabctl32.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Tabctl32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4208

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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