174bfeae6fd9727394db8589004b3697300f31c0901f1405489e002e1b24db03

Analysis

max time kernel
138s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 16:04

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General

Target

$SYSDIR/NetSign20.dll
Size

265KB
MD5

f221226df4c526b87749ce4a74c4e3d0
SHA1

e9fceedb9832840fe3dda88646ece0da2099a329
SHA256

a62cb15a4925525afe10ddb49bc45de191641d66b8250366f2cbc5911a34c91f
SHA512

318b6add6570ac1c5788b2bf3e4756bd3ba16e1a0dd3528623bf302018c66f367a55fccf0eaf575097a8543f4462e345ab7917bf56d0307e6d19935d3a25969e
SSDEEP

6144:nuNAq4/bRzbv4/5HL0oR7o9ifTBducyxYuQ:nvpjRzbv4BHLLR7HfTTxu

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\TypeLib\ = "{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\TypeLib\ = "{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NetSign.InfoSecNetSign2.1\CLSID\ = "{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NetSign.InfoSecNetSign2	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}\1.0\ = "NetSign 2.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\ = "_IInfoSecNetSignEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NetSign.InfoSecNetSign2.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\VersionIndependentProgID\ = "NetSign.InfoSecNetSign2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\NETSIG~1.DLL, 101"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\ = "IInfoSecNetSign"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\CtlSettings	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NetSign.InfoSecNetSign2\ = "InfoSecNetSign20 Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\ProgID\ = "NetSign.InfoSecNetSign2.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\TypeLib\ = "{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NetSign.InfoSecNetSign2.1\ = "InfoSecNetSign20 Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\MiscStatus\1\ = "131473"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\ = "_IInfoSecNetSignEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\NetSign.InfoSecNetSign2\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\NETSIG~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\TypeLib\ = "{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\NetSign20.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\ = "InfoSecNetSign20 Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\ = "IInfoSecNetSign"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\TypeLib\ = "{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\NetSign.InfoSecNetSign2\CLSID\ = "{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67AFB7BA-BDBE-47FD-BE57-CF061A4B3D7E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3B938C4-4190-4F37-8CF0-A92B0A91CC77}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{AB9D6864-CAE2-41A4-A2EF-53BAA60D9508}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{454E34B5-B609-4ED5-970F-CB1F3BF8576F}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 696	2448	regsvr32.exe	84
PID 2448 wrote to memory of 696	2448	regsvr32.exe	84
PID 2448 wrote to memory of 696	2448	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\NetSign20.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\NetSign20.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:696

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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