9ebe4f5ffe19d7e669c824a2509be455273aa434cf42c82ec91e3a7d8b49e3dd

Analysis

max time kernel
93s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 05:15

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General

Target

x86_netfx-dfshim_dll_31bf3856ad364e35_6.1.6001.18242_none_40858864fbe3e0ce/dfshim.dll
Size

1.1MB
MD5

fa4b5940b31853ade67a73026884c8c9
SHA1

a329fce2b14118fb32bee1875ca7f5897aede155
SHA256

f63f7b90f0fc3bdf296eef69e70561ed218e2a08c5d8e69133d5ec7197db50fa
SHA512

29e520c1dcfffba900ed0f3724fc497df269ceef189bc49b58103c4a45d8923270d11a9d7691c680550b2c8b724bfdd2b9dfbe95f5769512364d48bd804cb405
SSDEEP

24576:p7C24OQ71oNXVTCnldclbeXyITwU/Du5Z:p7P4lMqOeJDuf

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1952	1624	WerFault.exe	83

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 1624	3680	rundll32.exe	83
PID 3680 wrote to memory of 1624	3680	rundll32.exe	83
PID 3680 wrote to memory of 1624	3680	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86_netfx-dfshim_dll_31bf3856ad364e35_6.1.6001.18242_none_40858864fbe3e0ce\dfshim.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86_netfx-dfshim_dll_31bf3856ad364e35_6.1.6001.18242_none_40858864fbe3e0ce\dfshim.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 664
    3⤵
    - Program crash
    PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1624 -ip 1624
1⤵
PID:4720

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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