100b85a1e544ca868a5498cc88fb5d5f5775fa70bb336c87efa07528bc313271

Analysis

max time kernel
143s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 00:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

MultiMC/libstdc++-6.dll
Size

1002KB
MD5

c283d446b34e75019b81d0981cb11f0d
SHA1

a6e146975dfc55b0659d09e25b9a69f7cff993dc
SHA256

f6530962659d0641236a42517a30dc55c4fcb7d30e942c3e820af343798a770d
SHA512

eb51969a79ee4501c955a81cec9f07e9a39007c1ea69c5021e03ebf3b640d949e19f6e0cd7af969e80ec60ea6b8477804fb76deec2704db503e72906103fea63
SSDEEP

24576:KSNHTild8LMw2g8XiGkMAZ0dP5Bd+1DT50v4H:7dLM8GkMAQBdih

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2224 1668 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
2224	1668	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 2968 wrote to memory of 1668	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1668	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1668	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1668	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1668	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1668	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 1668	2968	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2224	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2224	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2224	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2224	1668	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libstdc++-6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libstdc++-6.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 256
3⤵
- Program crash
PID:2224

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

Loading Replay Monitor...

Downloads

memory/1668-0-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/1668-2-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/1668-1-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download