27e91e3f6b4b2c5853c59ad4cc8d5d0064bcefcfee10529382d5b6f38eb0977c

Resubmissions

02-08-2024 14:37

240802-rzb9lsxgrm 4

02-08-2024 14:35

240802-rx6qfaxgnr 3

Analysis

max time kernel
146s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240730-en
resource tags

arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
submitted
02-08-2024 14:35

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General

Target

UltimMC/libLauncher_nbt++.dll
Size

342KB
MD5

df3960de9dbdbac0e1941f4ac511d8dc
SHA1

a842c80b5065c84e4bb6d497c53b074b8e637725
SHA256

d74c11ccde5b1fed08287c14f80763d37a930aae6c347dc087135faa85a15f2c
SHA512

1f933b9a46bda58049f18bde0dbeee4907fd00f15ababeee25f476e00652e22087e8ee32fb7940901b77b3942ca803764133f0abcc7b4744e41955b2f9750901
SSDEEP

6144:cIUgcH0hz6J8UOxWbc5sCDPB/Qll7a56FBTYb4Y7pHhW6dJjgGoo5Nheff1ByLca:cIUgcH0h1V/Qll7W

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2204 5088 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
2204	5088	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 1540 wrote to memory of 5088	1540	rundll32.exe	rundll32.exe
PID 1540 wrote to memory of 5088	1540	rundll32.exe	rundll32.exe
PID 1540 wrote to memory of 5088	1540	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_nbt++.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1540

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_nbt++.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 480
3⤵
- Program crash
PID:2204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 5088 -ip 5088
1⤵
PID:2564

Network

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/5088-0-0x0000000061740000-0x0000000061771000-memory.dmp

Filesize
196KB

Download
memory/5088-1-0x0000000061741000-0x0000000061757000-memory.dmp

Filesize
88KB

Download
memory/5088-5-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/5088-6-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/5088-4-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

Filesize
48KB

Download
memory/5088-3-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/5088-2-0x0000000061740000-0x0000000061771000-memory.dmp

Filesize
196KB

Download