88efde139d946dcbe086745db39afceaff633101b4c112f17f591e7c5ee8acbf

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 07:48

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

2ae993a2ffec0c137eb51c8832691bcb
SHA1

98e0b37b7c14890f8a599f35678af5e9435906e1
SHA256

681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
SHA512

2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9
SSDEEP

192:vPtkumJX7zB22kGwfy0mtVgkCPOsE1un:k702k5qpdsEQn

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2452 1124 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
2452	1124	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 772 wrote to memory of 1124	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1124	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1124	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1124	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1124	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1124	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 1124	772	rundll32.exe	rundll32.exe
PID 1124 wrote to memory of 2452	1124	rundll32.exe	WerFault.exe
PID 1124 wrote to memory of 2452	1124	rundll32.exe	WerFault.exe
PID 1124 wrote to memory of 2452	1124	rundll32.exe	WerFault.exe
PID 1124 wrote to memory of 2452	1124	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 224
    3⤵
    - Program crash
    PID:2452

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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