477b0286ea489f872a3f3f3b01cef1829098da69e7e386d4a41ecbe51542db32

Analysis

max time kernel
135s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 13:23

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General

Target

$PLUGINSDIR/StartMenu.dll
Size

12KB
MD5

a4d8b943600bf97605adb398b109b70c
SHA1

2a42ed2c74e6ee39cd45d7e8ae4fff6ac38d7035
SHA256

a3740dcb49a6f6f09c2f3c85f34b1fb585066ba41a36ec164008813b4ace9daa
SHA512

3806fcef42e7cc9e3d50e04aab6a896c5f6e8bb8b00a81126310861a637360e36615bf3c12c931412b8b90eecf84931ae469e3c22d23f8f592e03d03b22ba365
SSDEEP

192:s1BTusyjbI05hbvNuw8Ykv/RjyE+lpP93/:yyA0DJuw8Ykvtp+lp13/

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1332	4300	WerFault.exe	85

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 3308 wrote to memory of 4300	3308	rundll32.exe	85
PID 3308 wrote to memory of 4300	3308	rundll32.exe	85
PID 3308 wrote to memory of 4300	3308	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 612
    3⤵
    - Program crash
    PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4300 -ip 4300
1⤵
PID:1304

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

Replay Monitor

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Downloads

memory/4300-0-0x0000000074C80000-0x0000000074C8C000-memory.dmp

Filesize
48KB

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