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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Report Analysis Logs

General

Target

UltimMC/libLauncher_iconfix.dll
Size

127KB
MD5

b16e2a99c4e545090ec3ef2c2124f78c
SHA1

0b58f102fde3fd65f6d7497fa4be70f3665ad6c4
SHA256

6940e02dd5c8b32c5782f3eb22ce39835eebf3ded1a39e0661385dc11e79cd15
SHA512

c6361ce29ad8242db7b5d4bb282b4bf2eefcbc83cb9c863819958ba48f9de7f41f56f6fe8f8e8feea3c6bf96b734e439121b7f8ea355bfb3ad6d3d1b200e5310
SSDEEP

3072:DUhA8S8fo6OjGyy1dWmC00TEUmIKOpS8aNx5tnzgp:AhA8S8fo6OjGJ1dWLTEUmIKOpS8aNx5Q

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4600 412 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
4600	412	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 1120 wrote to memory of 412	1120	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 412	1120	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 412	1120	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_iconfix.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_iconfix.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 412 -s 624
3⤵
- Program crash
PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 412 -ip 412
1⤵
PID:4620

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/412-0-0x0000000002460000-0x000000000298F000-memory.dmp

Filesize
5.2MB

Download
memory/412-3-0x0000000002460000-0x000000000298F000-memory.dmp

Filesize
5.2MB

Download
memory/412-5-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/412-6-0x0000000002461000-0x0000000002709000-memory.dmp

Filesize
2.7MB

Download
memory/412-7-0x0000000002460000-0x000000000298F000-memory.dmp

Filesize
5.2MB

Download
memory/412-8-0x0000000002460000-0x000000000298F000-memory.dmp

Filesize
5.2MB

Download
memory/412-13-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/412-12-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/412-11-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

Filesize
48KB

Download
memory/412-10-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/412-9-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/412-14-0x0000000061940000-0x0000000061EB5000-memory.dmp

Filesize
5.5MB

Download