100b85a1e544ca868a5498cc88fb5d5f5775fa70bb336c87efa07528bc313271

Analysis

max time kernel
211s
max time network
282s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
22-08-2024 07:09

Target

MultiMC/Qt5Core.dll
Size

5.1MB
MD5

9c31c47941edd8aed4bb51a3be9c6ea2
SHA1

e83d8c04fec834086a018f8bff01b614ef6e3341
SHA256

79b83c43af99a9cb72a744ae2262c090227907907e8f2deb937cd4e1f0965e4d
SHA512

9763960a8118ab558e1a26abef275cddb323449608eb4f8518b82fa67d34ffc1d146f4f6b3e072317d8b0af5e95ca84bcdeca838ec150d4b3ef2e748c0a9d961
SSDEEP

98304:paO5O7s0XerbbAJIaKSA31cCvErDsNYWZSgkvDFPJsv6tWKFdu9CQlld0:BOoZX8O1cBdUSg8DNJsv6tWKFdu9CQZ

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4584 4368 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
4584	4368	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2920 wrote to memory of 4368	2920	rundll32.exe	rundll32.exe
PID 2920 wrote to memory of 4368	2920	rundll32.exe	rundll32.exe
PID 2920 wrote to memory of 4368	2920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\Qt5Core.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\Qt5Core.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 624
3⤵
- Program crash
PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4368 -ip 4368
1⤵
PID:1976

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

memory/4368-0-0x0000000068881000-0x0000000068B29000-memory.dmp

Filesize
2.7MB

Download
memory/4368-2-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/4368-4-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/4368-3-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/4368-1-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download