1d6300fb759d3e44fc515c37bce65201e9d3d7430a7c7a65651162dd1f69f60c

Analysis

max time kernel
92s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2024, 16:22

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General

Target

$SYSDIR/Cmls15.dll
Size

1.9MB
MD5

046d904bab3f484f4d1ceda7425471d8
SHA1

acb563f99d8471c8fb190693a6e795bbd59cdcfb
SHA256

1f6f324fe1cae3afba12dd04adb6cf2cf9720ce24bdcab4ce85625539c16946a
SHA512

87e4fe447ecaa7d2d103884d304e97e918d46ae8a25d07cb779d55d1a59eb59a001fecafd3f38e6e87f3b1622f6244be24abe69a356539a4571bc2b543c3705d
SSDEEP

49152:OXgcG8lEnYGs/GQ+7o8095NCnRXtgJsf3WGAnvSETWewl:OwcG8lEnYGs/GQ+7oR9qdtg+f3WGAnvp

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1960	660	WerFault.exe	82

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 2412 wrote to memory of 660	2412	rundll32.exe	82
PID 2412 wrote to memory of 660	2412	rundll32.exe	82
PID 2412 wrote to memory of 660	2412	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\Cmls15.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\Cmls15.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 660 -s 728
    3⤵
    - Program crash
    PID:1960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 660 -ip 660
1⤵
PID:532

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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