ae2001d5b60a2f0bd8e72c0106363950cd9f68e9ce42b9a40b0af26814908809

Analysis

max time kernel
147s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
21-08-2024 10:04

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

ec62e1a8d16d8f1b0eb792aa26e5de5c
SHA1

faa219618aec99cffb81c312728dc56c1fdc5798
SHA256

193d396fc7be5fed9d585de3c43e23d640c1dce725499f0274b3898c248545aa
SHA512

cb3f3458cf734ab7b964ed25cac87ff2938292eed9caae1305b2e5975bde885f4d8b06d05d4099ef614982cd55d97e9ddc0f13bbe2cdd9fb642d008788ed3017
SSDEEP

96:O7fhZwXd8KgEbAa9PweF1WxD8ZLMJGgmkNp38:/N8KgWAuLWxD8ZAGgmkN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4836	3124	WerFault.exe	81

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 3 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 3124	1252	rundll32.exe	81
PID 1252 wrote to memory of 3124	1252	rundll32.exe	81
PID 1252 wrote to memory of 3124	1252	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- 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:3124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 468
    3⤵
    - Program crash
    PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3124 -ip 3124
1⤵
PID:1256

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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