255ba55168751d2b17f2bfa7a8b27ef0f43d3018fbc1fb207b7a5ff4c3825daf

Analysis

max time kernel
94s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 06:34

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General

Target

SDocCatch.dll
Size

124KB
MD5

89f5112e004efedc3cc4f74f8e408f6e
SHA1

cdd9d85ea0aadb45ab51d89c17f23c5d376bcaf2
SHA256

5b504913b963de278e77e33c5c5b77228cb6e07ddd865083f2b3753a5c2c6256
SHA512

9b9ddc2d6facf5cb4fd3ef47f5988947cb482bebf2497f76b32d0787883fa086a85724cc0d9f2be84991116758944b02b744c0b1ab243a5ac1e0ca5b0b4259f1
SSDEEP

1536:cAL2jWTdG1HUfZcXEDg/4BLajufa5Gi7s1TUZDxUhCnoO9:cA6jsGFUfZcU0juS5Giw1Ylxh

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 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\VersionIndependentProgID\ = "SDocCatch.Netscape"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\TypeLib\ = "{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape\ = "Netscape Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\ProgID\ = "SDocCatch.Netscape.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape.1\ = "Netscape Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape\CurVer\ = "SDocCatch.Netscape.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\ = "INetscape"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape.1\CLSID\ = "{721490B1-A505-4E2D-8C58-7D4AF13526C2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\SDocCatch.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\TypeLib\ = "{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0\ = "SDocCatch 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\TypeLib\ = "{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape\CLSID\ = "{721490B1-A505-4E2D-8C58-7D4AF13526C2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\ = "Netscape Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{721490B1-A505-4E2D-8C58-7D4AF13526C2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\SDocCatch.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\ = "INetscape"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SDocCatch.Netscape\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A5D8A38-E91D-4592-BA81-FB42F53E71C0}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E1F817E1-43A4-49CA-B9D2-F2AF9B74DFD6}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 1760	3372	regsvr32.exe	82
PID 3372 wrote to memory of 1760	3372	regsvr32.exe	82
PID 3372 wrote to memory of 1760	3372	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\SDocCatch.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\SDocCatch.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1760

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

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Downloads

memory/1760-1-0x0000000001160000-0x000000000117F000-memory.dmp

Filesize
124KB

Download
memory/1760-0-0x0000000001180000-0x0000000001196000-memory.dmp

Filesize
88KB

Download
memory/1760-3-0x0000000000F90000-0x0000000000FA0000-memory.dmp

Filesize
64KB

Download