5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809

Analysis

max time kernel
134s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 06:25

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

293165db1e46070410b4209519e67494
SHA1

777b96a4f74b6c34d43a4e7c7e656757d1c97f01
SHA256

49b7477db8dd22f8cf2d41ee2d79ce57797f02e8c7b9e799951a6c710384349a
SHA512

97012139f2da5868fe8731c0b0bcb3cfda29ed10c2e6e2336b504480c9cd9fb8f4728cca23f1e0bd577d75daa542e59f94d1d341f4e8aaeebc7134bf61288c19
SSDEEP

96:4BNbUVOFvfcxEAxxxJzxLp+eELeoMEskzYzeHd0+uoyVeNSsX4:EUVOFvf9ABJFHE+FkEad0PLVeN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1964	4308	WerFault.exe	83

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 4372 wrote to memory of 4308	4372	rundll32.exe	83
PID 4372 wrote to memory of 4308	4372	rundll32.exe	83
PID 4372 wrote to memory of 4308	4372	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4372
- 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:4308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 620
    3⤵
    - Program crash
    PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4308 -ip 4308
1⤵
PID:3664

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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