731ff864aef3e98931b5550125b2ba975ab9df334fbb9f0c026d0ca22c2e1457

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
07/08/2024, 03:20

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General

Target

$PLUGINSDIR/nsDialogs.dll
Size

9KB
MD5

ec9640b70e07141febbe2cd4cc42510f
SHA1

64a5e4b90e5fe62aa40e7ac9e16342ed066f0306
SHA256

c5ba017732597a82f695b084d1aa7fe3b356168cc66105b9392a9c5b06be5188
SHA512

47605b217313c7fe6ce3e9a65da156a2fba8d91e4ed23731d3c5e432dd048ff5c8f9ae8bb85a6a39e1eac4e1b6a22862aa72d3b1b1c8255858997cdd4db5d1fe
SSDEEP

192:oRsHeylO012En8pqHtcE0PuAgkOyPIFc:sATI0d8pUP0WAgkBPIFc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	2072	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2072	2904	rundll32.exe	31
PID 2904 wrote to memory of 2072	2904	rundll32.exe	31
PID 2904 wrote to memory of 2072	2904	rundll32.exe	31
PID 2904 wrote to memory of 2072	2904	rundll32.exe	31
PID 2904 wrote to memory of 2072	2904	rundll32.exe	31
PID 2904 wrote to memory of 2072	2904	rundll32.exe	31
PID 2904 wrote to memory of 2072	2904	rundll32.exe	31
PID 2072 wrote to memory of 2552	2072	rundll32.exe	32
PID 2072 wrote to memory of 2552	2072	rundll32.exe	32
PID 2072 wrote to memory of 2552	2072	rundll32.exe	32
PID 2072 wrote to memory of 2552	2072	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 240
    3⤵
    - Program crash
    PID:2552

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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