88065e1cf38a7c3a48c8a3d0de61bb2bd1167c65187074a3cd3ea269fe4c4dab

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 11:09

Target

$PLUGINSDIR/nsExec.dll
Size

11KB
MD5

7c0dc12cdc807a3bb4afda989a663f95
SHA1

3db74d921bd68ce73834de4636bbec03b21723ff
SHA256

0d022cc0aa60a3f41dbeb6776e9acb016ff3d42396e3371f15cc22352e621eb5
SHA512

22301b351c0332fce7b0d6b21e2b1dc9a850658b8ac610bfa4fb9d02adfbdad30211f04edcabd4141574d243cb6333ef78adb6647860641c84e5d6dc6f635a20
SSDEEP

192:nQux93kCB6nGYq1f9ymY1aulOaBETAJYkvQhHLrqNo25JF/:nLx937B6GY48HQulOGETAJYkvmLr0oSD

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2980 2700 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
2980	2700	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2664 wrote to memory of 2700	2664	rundll32.exe	rundll32.exe
PID 2664 wrote to memory of 2700	2664	rundll32.exe	rundll32.exe
PID 2664 wrote to memory of 2700	2664	rundll32.exe	rundll32.exe
PID 2664 wrote to memory of 2700	2664	rundll32.exe	rundll32.exe
PID 2664 wrote to memory of 2700	2664	rundll32.exe	rundll32.exe
PID 2664 wrote to memory of 2700	2664	rundll32.exe	rundll32.exe
PID 2664 wrote to memory of 2700	2664	rundll32.exe	rundll32.exe
PID 2700 wrote to memory of 2980	2700	rundll32.exe	WerFault.exe
PID 2700 wrote to memory of 2980	2700	rundll32.exe	WerFault.exe
PID 2700 wrote to memory of 2980	2700	rundll32.exe	WerFault.exe
PID 2700 wrote to memory of 2980	2700	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 220
    3⤵
    - Program crash
    PID:2980

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/2700-0-0x0000000074900000-0x0000000074909000-memory.dmp

Filesize
36KB

Download