4e187aa04e5e6bc6c16c492d318b5cf916320d8a3e549c8a7f7dfae1f12f751c

Analysis

max time kernel
433s
max time network
1158s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
03-09-2024 17:07

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General

Target

UltimMC/libLauncher_quazip.dll
Size

313KB
MD5

2d8d8802199fbdc1a2722e6aa3163ed6
SHA1

1520f952e4217cd8deb3db1a69ce7b00c7667335
SHA256

e542222b63431cf09406529d9b8142d5455f66699b24a8af3589858a7c72dc5f
SHA512

d2f3f5b690b564c0049e00bbfb3f604d5b73f345af23f1f8d8d1ad2a37a89c4aae9f13374dfd9091e8dfaa24318ed86c8f892faea6d0bd6105bb8b1e91aee998
SSDEEP

6144:Y2GqFejo44ffwqGOIq/2aPWt8RJhywVapRwT5yM:YqFBF0Oh9T

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1624 4948 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
1624	4948	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 3196 wrote to memory of 4948	3196	rundll32.exe	rundll32.exe
PID 3196 wrote to memory of 4948	3196	rundll32.exe	rundll32.exe
PID 3196 wrote to memory of 4948	3196	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_quazip.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3196

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_quazip.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 620
3⤵
- Program crash
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4948 -ip 4948
1⤵
PID:4620

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/4948-1-0x00000000029A0000-0x0000000002ECF000-memory.dmp

Filesize
5.2MB

Download
memory/4948-5-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download
memory/4948-7-0x00000000029A0000-0x0000000002ECF000-memory.dmp

Filesize
5.2MB

Download
memory/4948-6-0x00000000029A1000-0x0000000002C49000-memory.dmp

Filesize
2.7MB

Download
memory/4948-3-0x00000000029A0000-0x0000000002ECF000-memory.dmp

Filesize
5.2MB

Download
memory/4948-11-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/4948-13-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/4948-12-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/4948-14-0x00000000029A0000-0x0000000002ECF000-memory.dmp

Filesize
5.2MB

Download
memory/4948-10-0x0000000061B80000-0x0000000061B98000-memory.dmp

Filesize
96KB

Download
memory/4948-9-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

Filesize
48KB

Download
memory/4948-8-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download