af6bbab59c56d5088f97e2bc417100a0c0081d6e40020b5db342df47b60ffdd3

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2024, 23:55

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

05d80bc376fef439fb7d2dbb004aa662
SHA1

e83904b91cee7a9b93ed84591bdcf2bb700edd88
SHA256

c49f3d805e87f6df15dc0410770dcec4df09f73b20f6d88b44f55223da64c96c
SHA512

87b9e1ee7382654d3568dd0a0e59d3f2175372358b4f815e4f42657b79fd3f852203cdf26a73606f1b5d4ec9daa3d4d61952eaf494cf9bb00036741ac6b3fac8
SSDEEP

96:hVIu5NEOmRR1ucf+8eZetJfHhe3QY2Y2yYjs01HyJ:hCwmn1u8+8eZAfHuQyYjs6S

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4228	4456	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 4880 wrote to memory of 4456	4880	rundll32.exe	83
PID 4880 wrote to memory of 4456	4880	rundll32.exe	83
PID 4880 wrote to memory of 4456	4880	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:4880
- 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:4456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 608
    3⤵
    - Program crash
    PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4456 -ip 4456
1⤵
PID:1532

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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