e2cd43d988121ee0cf9bdbaa46d5d1cc99dd742cb0540f674923621eef0d57fd

Analysis

max time kernel
5s
max time network
37s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 19:27

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General

Target

TIR/CONFIG/MFC42.dll
Size

972KB
MD5

a430faae0a4db973500b6c882f8848e5
SHA1

072be63a429756da60f4b4d0d4b59288b295c380
SHA256

52e1eb5eb51f0b08fe08a6ab97f522247161a816a8296b7bba87d2865f3985fd
SHA512

608f8fbbc52c1c50ebe0e3bc772d2869fc985892da18ad2a406c283e716dc4fd73bb07a229d7d64d5fccf4e39cbdcacca7d9fb27f1ccdbe02ab5ac97e828a0ae
SSDEEP

12288:cKw0yBKAkOaeVp7dwQvzr254GjiExYznwb88wpyTmak56/g2vi8Ii8:jvWKBPQk4+iExwH3ETmXsl8

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 8 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BE35200-8F91-11CE-9DE3-00AA004BB851}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BE35201-8F91-11CE-9DE3-00AA004BB851}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BE35201-8F91-11CE-9DE3-00AA004BB851}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BE35202-8F91-11CE-9DE3-00AA004BB851}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BE35202-8F91-11CE-9DE3-00AA004BB851}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BE35200-8F91-11CE-9DE3-00AA004BB851}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 1716	1164	regsvr32.exe	29
PID 1164 wrote to memory of 1716	1164	regsvr32.exe	29
PID 1164 wrote to memory of 1716	1164	regsvr32.exe	29
PID 1164 wrote to memory of 1716	1164	regsvr32.exe	29
PID 1164 wrote to memory of 1716	1164	regsvr32.exe	29
PID 1164 wrote to memory of 1716	1164	regsvr32.exe	29
PID 1164 wrote to memory of 1716	1164	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\TIR\CONFIG\MFC42.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\TIR\CONFIG\MFC42.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1716

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

Windows 7 deprecation

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