f8bb5c644fe0f5d0da284f89b5bed2368989e91c5bcc27c06a9fa391afb3251d

Analysis

max time kernel
145s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
04/10/2024, 17:45

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General

Target

Launcher Blue/d3dcompiler_43.dll
Size

2.0MB
MD5

1c9b45e87528b8bb8cfa884ea0099a85
SHA1

98be17e1d324790a5b206e1ea1cc4e64fbe21240
SHA256

2f23182ec6f4889397ac4bf03d62536136c5bdba825c7d2c4ef08c827f3a8a1c
SHA512

b76d780810e8617b80331b4ad56e9c753652af2e55b66795f7a7d67d6afcec5ef00d120d9b2c64126309076d8169239a721ae8b34784b639b3a3e2bf50d6ee34
SSDEEP

49152:DpX9JVeE9HP6Zpy9KyhMI50Du8LljslNsHSHFUq9OiapbbO5Akb:H3P9HP6Zpy9KyhMI50Du8LljslNsyHiS

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4708	3320	WerFault.exe	78

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 1568 wrote to memory of 3320	1568	rundll32.exe	78
PID 1568 wrote to memory of 3320	1568	rundll32.exe	78
PID 1568 wrote to memory of 3320	1568	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Launcher Blue\d3dcompiler_43.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Launcher Blue\d3dcompiler_43.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3320 -s 448
    3⤵
    - Program crash
    PID:4708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 3320 -ip 3320
1⤵
PID:3972

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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