ed20ff85f5df587140e0780e16a5eb28df94e1b6330c8256de39d94b5a772e83

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 00:42

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General

Target

$PLUGINSDIR/nsExec.dll
Size

7KB
MD5

f27689c513e7d12c7c974d5f8ef710d6
SHA1

e305f2a2898d765a64c82c449dfb528665b4a892
SHA256

1f18f4126124b0551f3dbcd0fec7f34026f930ca509f04435657cedc32ae8c47
SHA512

734e9f3989ee47a86bee16838df7a09353c7fe085a09d77e70d281b21c5477b0b061616e72e8ac8fcb3dda1df0d5152f54dcc4c5a77f90fbf0f857557bf02fbc
SSDEEP

96:JpmkmwmHDPVhklfSoRPB+YSvWvZckH69MSz00vQFHhAVvSGYuHnUNy2DCP:J+PVhYfSokvW2CsQFBAVaGdHnUNR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3620 4932 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
3620	4932	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 3304 wrote to memory of 4932	3304	rundll32.exe	rundll32.exe
PID 3304 wrote to memory of 4932	3304	rundll32.exe	rundll32.exe
PID 3304 wrote to memory of 4932	3304	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 612
    3⤵
    - Program crash
    PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4932 -ip 4932
1⤵
PID:4572

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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