5a283c7d6a5eeacaad0a28780ec39037a2baac74dfdd1c2d7a372560b03e6833

Analysis

max time kernel
94s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2025, 22:27

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General

Target

$PLUGINSDIR/nsExec.dll
Size

5KB
MD5

cc0c51f8565916332cdd689e9741de4d
SHA1

aaa24dd0f2e2e4a1e9594e87a7b18c6ec2ed27a7
SHA256

2775dba74bd7494c983fdf4246eea3ae37263f06ad4c4165de2b0a6d1210d85e
SHA512

e902e6cc97035f33a6f0d34fdcd27ba9a7836529d3c2b3edfaf18011077fc3198c6c74df4122095e06552ed2e1ad2e20b1b51a3cf39b9cd138171589b6932585
SSDEEP

96:ZSVdcAWesTaqf98/Pf9RVQuECSUsGorozQrUddV/Esb:Z8qf98H0PURzQrUddV/Tb

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2108	3440	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 1392 wrote to memory of 3440	1392	rundll32.exe	83
PID 1392 wrote to memory of 3440	1392	rundll32.exe	83
PID 1392 wrote to memory of 3440	1392	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:1392
- 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:3440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 644
    3⤵
    - Program crash
    PID:2108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3440 -ip 3440
1⤵
PID:1704

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

Windows 7 deprecation

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