100b85a1e544ca868a5498cc88fb5d5f5775fa70bb336c87efa07528bc313271

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 00:19

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General

Target

MultiMC/Qt5Gui.dll
Size

5.4MB
MD5

03e5f50d7848d9cc2d8d00127ea6e706
SHA1

30a5fd241e9db476f11235d7a7d650ec23ac97e2
SHA256

047811d5fecb88e19c6e70aeabac7848599142cfe8aba1a01c0d130dd4f72452
SHA512

d41c80f85cfbe9779cccb3ad3825917044075b126c866aece157c6b85b418382394cb6a58cd5b2ea386659c042fcebe963131fb2d37ee80c684c1c9154eb9e31
SSDEEP

98304:TKTu1y8DX4YFi3UIK5f77kyB1ophScU22BhrwRD7e+1X+Q86o:TPTFbFdYhd86

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1236 824 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
1236	824	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1716 wrote to memory of 824	1716	rundll32.exe	rundll32.exe
PID 1716 wrote to memory of 824	1716	rundll32.exe	rundll32.exe
PID 1716 wrote to memory of 824	1716	rundll32.exe	rundll32.exe
PID 1716 wrote to memory of 824	1716	rundll32.exe	rundll32.exe
PID 1716 wrote to memory of 824	1716	rundll32.exe	rundll32.exe
PID 1716 wrote to memory of 824	1716	rundll32.exe	rundll32.exe
PID 1716 wrote to memory of 824	1716	rundll32.exe	rundll32.exe
PID 824 wrote to memory of 1236	824	rundll32.exe	WerFault.exe
PID 824 wrote to memory of 1236	824	rundll32.exe	WerFault.exe
PID 824 wrote to memory of 1236	824	rundll32.exe	WerFault.exe
PID 824 wrote to memory of 1236	824	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\Qt5Gui.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\Qt5Gui.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 260
3⤵
- Program crash
PID:1236

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/824-0-0x0000000068881000-0x0000000068B29000-memory.dmp

Filesize
2.7MB

Download
memory/824-1-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download
memory/824-5-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/824-2-0x0000000061940000-0x0000000061EB5000-memory.dmp

Filesize
5.5MB

Download
memory/824-4-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/824-3-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download