14b9f02f73beae4010ed6055aef0624523a4dae0a7bfcd156da7cb4f67a9b7d2

Analysis

max time kernel
132s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 06:21

Target

640000.dll
Size

10.0MB
MD5

11c47f724c79c872d4c33fad697a4e3b
SHA1

3e40b2e4d495bccf5b8cebeab7e328099da75845
SHA256

14b9f02f73beae4010ed6055aef0624523a4dae0a7bfcd156da7cb4f67a9b7d2
SHA512

178e763476d6de7d187b5a0011a21153f2d2703c4989385133ee74363e9e609eda701ca96a80300eefc69f50b12eb8fd40800d73acf299deb84e321496cd8579
SSDEEP

196608:PSGD7BHWkSiB1plGcvKRTU42tKZDftOS2MT9ExL9o:P1v0kduc0TH2EztRaxL

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5036 4920 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
5036	4920	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4544 wrote to memory of 4920	4544	rundll32.exe	rundll32.exe
PID 4544 wrote to memory of 4920	4544	rundll32.exe	rundll32.exe
PID 4544 wrote to memory of 4920	4544	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\640000.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4544

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\640000.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 564
3⤵
- Program crash
PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4920 -ip 4920
1⤵
PID:1520

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/4920-0-0x0000000002CE0000-0x00000000036ED000-memory.dmp

Filesize
10.1MB

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