4e187aa04e5e6bc6c16c492d318b5cf916320d8a3e549c8a7f7dfae1f12f751c

Analysis

max time kernel
146s
max time network
154s
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 17:01

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General

Target

UltimMC/libgcc_s_dw2-1.dll
Size

117KB
MD5

fadde43c97607e4445a6f924d851f04e
SHA1

36c1aa0e1b6d4a322c350f5e502c10c64c203041
SHA256

f0614835136413217ed3baec9ba22aaac4c37956afcb0209f1f89b7676ae86bc
SHA512

66f5637419f88070838ed522defad9aa1b46dd4fd8cb045e0292742831520740d152795b6e99770f34061db596019ef3a342a956b541180e78d1c48b2703f42c
SSDEEP

1536:CxINSJvU82V9dUT4PsXQ+2Q4p2VtjByBzEj6zu3PEhOKeLTxaek:CzmpUkPsXQ+2zsBy9IPEh6Zaek

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2480 2696 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
2480	2696	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 864 wrote to memory of 2696	864	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 2696	864	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 2696	864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libgcc_s_dw2-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libgcc_s_dw2-1.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 468
3⤵
- Program crash
PID:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2696 -ip 2696
1⤵
PID:3032

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

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Downloads

memory/2696-1-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/2696-0-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download