100b85a1e544ca868a5498cc88fb5d5f5775fa70bb336c87efa07528bc313271

Analysis

max time kernel
142s
max time network
128s
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

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General

Target

MultiMC/libLauncher_quazip.dll
Size

313KB
MD5

54ff831a0de8e0b18fd39dc94fb587db
SHA1

421a8bee770d2f693accc160f4694017fcbdcfb2
SHA256

9e76a68ed8d049fce4cef5892baeb9a12005bf6df7fdf05b909e4aa4264c60fa
SHA512

863c5cf2f0a276737dac7f7e1e4703e5b27e8d45ace0f19dd8eb1e2531e354c606e7fe9e460eea795c001661e11ab4d8f610805e47576937665497a96c19f37d
SSDEEP

6144:t2GqFejo44ffwqGOIq/2+PWt8RJhywVapRwT5yM:jqFBF0OhJT

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1748 2052 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
1748	2052	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 2560 wrote to memory of 2052	2560	rundll32.exe	rundll32.exe
PID 2560 wrote to memory of 2052	2560	rundll32.exe	rundll32.exe
PID 2560 wrote to memory of 2052	2560	rundll32.exe	rundll32.exe
PID 2560 wrote to memory of 2052	2560	rundll32.exe	rundll32.exe
PID 2560 wrote to memory of 2052	2560	rundll32.exe	rundll32.exe
PID 2560 wrote to memory of 2052	2560	rundll32.exe	rundll32.exe
PID 2560 wrote to memory of 2052	2560	rundll32.exe	rundll32.exe
PID 2052 wrote to memory of 1748	2052	rundll32.exe	WerFault.exe
PID 2052 wrote to memory of 1748	2052	rundll32.exe	WerFault.exe
PID 2052 wrote to memory of 1748	2052	rundll32.exe	WerFault.exe
PID 2052 wrote to memory of 1748	2052	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_quazip.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2560

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_quazip.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 284
3⤵
- Program crash
PID:1748

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/2052-0-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download
memory/2052-1-0x0000000068881000-0x0000000068B29000-memory.dmp

Filesize
2.7MB

Download
memory/2052-2-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download
memory/2052-3-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download
memory/2052-4-0x0000000061B80000-0x0000000061B98000-memory.dmp

Filesize
96KB

Download
memory/2052-8-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/2052-9-0x0000000000170000-0x000000000017C000-memory.dmp

Filesize
48KB

Download
memory/2052-7-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/2052-6-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download