0e7ba1cb5437ce3b1f1140747e4c6b64784fe58a427dab3dfc94c9f73fd0649b

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/01/2025, 20:00

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

6f5257c0b8c0ef4d440f4f4fce85fb1b
SHA1

b6ac111dfb0d1fc75ad09c56bde7830232395785
SHA256

b7ccb923387cc346731471b20fc3df1ead13ec8c2e3147353c71bb0bd59bc8b1
SHA512

a3cc27f1efb52fb8ecda54a7c36ada39cefeabb7b16f2112303ea463b0e1a4d745198d413eebb3551e012c84a20dcdf4359e511e51bc3f1a60b13f1e3bad1aa8
SSDEEP

96:zPDYcJ+nx4vVp76JX7zBlkCg21Fxz4THxtrqw1at0JgwLEjo+OB3yUVCdl/wNj+y:zPtkuWJX7zB3kGwfy0nyUVsxCjOM61u

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	2756	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2756	2744	rundll32.exe	31
PID 2744 wrote to memory of 2756	2744	rundll32.exe	31
PID 2744 wrote to memory of 2756	2744	rundll32.exe	31
PID 2744 wrote to memory of 2756	2744	rundll32.exe	31
PID 2744 wrote to memory of 2756	2744	rundll32.exe	31
PID 2744 wrote to memory of 2756	2744	rundll32.exe	31
PID 2744 wrote to memory of 2756	2744	rundll32.exe	31
PID 2756 wrote to memory of 2828	2756	rundll32.exe	32
PID 2756 wrote to memory of 2828	2756	rundll32.exe	32
PID 2756 wrote to memory of 2828	2756	rundll32.exe	32
PID 2756 wrote to memory of 2828	2756	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- 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:2756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 224
    3⤵
    - Program crash
    PID:2828

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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