27e91e3f6b4b2c5853c59ad4cc8d5d0064bcefcfee10529382d5b6f38eb0977c

Resubmissions

02-08-2024 14:37

240802-rzb9lsxgrm 4

02-08-2024 14:35

240802-rx6qfaxgnr 3

Analysis

max time kernel
92s
max time network
96s
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/Qt5Core.dll
Size

5.1MB
MD5

db2f4ec716747a5ddecb146cfd124a90
SHA1

dcc4e2efa1af32ed55c3b1d004eff6eaa2b6a02b
SHA256

ffed386cbbe2363331632d9f12be8eb00cf654d95b4c2b0d287da57e93813f80
SHA512

5db0356ff3dc3ef28e6a46dedb212c87ab791a61b8de682d0dbf22dda6630ca795e8aa89d4b8226f876440e47d5584e66dbeda481d8499c9f24f79506cf04005
SSDEEP

98304:paO5O7s0XerbbAJIaKSA31cCvErDsNYWZSgkvDFIJsv6tWKFdu9CQlld0:BOoZX8O1cBdUSg8DiJsv6tWKFdu9CQZ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3564 2332 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
3564	2332	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 5020 wrote to memory of 2332	5020	rundll32.exe	rundll32.exe
PID 5020 wrote to memory of 2332	5020	rundll32.exe	rundll32.exe
PID 5020 wrote to memory of 2332	5020	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Core.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5020

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Core.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 620
3⤵
- Program crash
PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2332 -ip 2332
1⤵
PID:3960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2332-0-0x0000000068881000-0x0000000068B29000-memory.dmp

Filesize
2.7MB

Download
memory/2332-3-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/2332-4-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/2332-2-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/2332-1-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download