f5277278370d2ba066b6c402183d0c4204a6367a6f92ef261e18b1c40484b92c

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 19:42

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General

Target

$PLUGINSDIR/WndSubclass.dll
Size

3KB
MD5

2a0c44144e261987ec40adf991535ae0
SHA1

7a5bc7c897d3e89a2b231740ae61b9574fb1d3e1
SHA256

cfcf2f3dd8f1e58c0b3d8279eb9ec2a1dafb297b2f8cce90f4951f3d4a311af6
SHA512

f7b70e998974c42a160194b59c4d962d8ca99eb1cee07913a12b69efd836d21c614572114302e9b1cafdfb8391b9d03a1f38745139a47aa3d881ff5cb3a6f0db

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2772	2900	WerFault.exe	30

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 2888 wrote to memory of 2900	2888	rundll32.exe	30
PID 2888 wrote to memory of 2900	2888	rundll32.exe	30
PID 2888 wrote to memory of 2900	2888	rundll32.exe	30
PID 2888 wrote to memory of 2900	2888	rundll32.exe	30
PID 2888 wrote to memory of 2900	2888	rundll32.exe	30
PID 2888 wrote to memory of 2900	2888	rundll32.exe	30
PID 2888 wrote to memory of 2900	2888	rundll32.exe	30
PID 2900 wrote to memory of 2772	2900	rundll32.exe	31
PID 2900 wrote to memory of 2772	2900	rundll32.exe	31
PID 2900 wrote to memory of 2772	2900	rundll32.exe	31
PID 2900 wrote to memory of 2772	2900	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WndSubclass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WndSubclass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 220
    3⤵
    - Program crash
    PID:2772

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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