154456b7a37daf4005cc0173330688f2a7e5f8a2934ae8349d25555da5d9e57f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 11:20

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

4eff5fafd746f5decb93a44e3a3d570c
SHA1

a11aa7681b7e2df1c7f7492a127d332d1495ea8a
SHA256

cf61ddd15d63c25a12caee70f51ea736cfc02195c42e56ee01b33f689d3754c5
SHA512

cde82d2a1f28506e4c2264f6b82017a00af32f138ebcdbaf4cc58463870fa626f708aa57465294c5a6f096c886841e7b9112b85bf3ea2f1d8f2da816b51b2d72
SSDEEP

192:0OycJo/rJVCmIDNLU0dq5RD00lspbub76yL:6/QQ0d0RD0USq/6y

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4584	460	WerFault.exe	86

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 2928 wrote to memory of 460	2928	rundll32.exe	86
PID 2928 wrote to memory of 460	2928	rundll32.exe	86
PID 2928 wrote to memory of 460	2928	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 612
    3⤵
    - Program crash
    PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 460 -ip 460
1⤵
PID:4488

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

Windows 7 deprecation

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