ad43937eb3ac4cfd6bd460642102eafdd1d2007bdbd369e3db624613284c325c

Analysis

max time kernel
91s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 00:26

Target

$PLUGINSDIR/gtlbztpsztf.dll
Size

49KB
MD5

6432c43cc5cb60bb4a484470e8693ab3
SHA1

78f0e1e34dbee0fee48d70949ff07deef94215bc
SHA256

e21a1e1f87a1c05b1c97688f72fce20e5f1c42f8579b49d189b3e06f3be8a735
SHA512

760c3906675ca690b23e195a7b4c295289dc6242e096ca3140fc199e41474fff7df0500243bde937e4e5ab311d2c4969f02b8b3d87b97bd26d3c3feee5a5ef6e
SSDEEP

768:M57MzH3v2IihsP+l1nrk2IJ1/95UrpRxKZfUJXeykaxLT+QZv6qCGb:M57ohP+l1rktZ5qpWZf0XeyVxDd6/Gb

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1464 216 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
1464	216	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3012 wrote to memory of 216	3012	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 216	3012	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 216	3012	rundll32.exe	rundll32.exe
PID 216 wrote to memory of 3352	216	rundll32.exe	rundll32.exe
PID 216 wrote to memory of 3352	216	rundll32.exe	rundll32.exe
PID 216 wrote to memory of 3352	216	rundll32.exe	rundll32.exe
PID 216 wrote to memory of 3352	216	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtlbztpsztf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtlbztpsztf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtlbztpsztf.dll,#1
    3⤵
    PID:3352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 752
    3⤵
    - Program crash
    PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 216 -ip 216
1⤵
PID:8

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/216-0-0x000000007575C000-0x000000007575E000-memory.dmp

Filesize
8KB

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