27e91e3f6b4b2c5853c59ad4cc8d5d0064bcefcfee10529382d5b6f38eb0977c

Resubmissions

02-08-2024 14:37

240802-rzb9lsxgrm 4

02-08-2024 14:35

240802-rx6qfaxgnr 3

Analysis

max time kernel
150s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240729-en
resource tags

arch:x64arch:x86image:win11-20240729-enlocale:en-usos:windows11-21h2-x64system
submitted
02-08-2024 14:35

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Report Analysis Logs

General

Target

UltimMC/Qt5Network.dll
Size

1.5MB
MD5

a72dfd36b9b8c51de93f3c7cca5945ce
SHA1

1bb6dfcb892b74968f5b8ef26e0027842df20fbf
SHA256

41fafdcea112cb01edadc0b2c14995d4cf05e4b5fd101a6e196baaa614b228e8
SHA512

5a38b11928f1319dac7b75cfd8304610f75e0464f26bc44810458e14cc79ca9d1396f55c1c6405baf95e176755a50c8076bcf6b30d05e4fc95607f479b9f9dec
SSDEEP

49152:ZrURZC+3uELYy60bMcDrGBj3IfTt3yLorAnjhm:FK0+3uEUy6YMcDrGBz

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3524 4580 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
3524	4580	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 4948 wrote to memory of 4580	4948	rundll32.exe	rundll32.exe
PID 4948 wrote to memory of 4580	4948	rundll32.exe	rundll32.exe
PID 4948 wrote to memory of 4580	4948	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Network.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4948

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\Qt5Network.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 668
3⤵
- Program crash
PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4580 -ip 4580
1⤵
PID:2208

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/4580-0-0x0000000068881000-0x0000000068B29000-memory.dmp

Filesize
2.7MB

Download
memory/4580-4-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/4580-5-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download
memory/4580-3-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/4580-2-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/4580-1-0x0000000069700000-0x0000000069894000-memory.dmp

Filesize
1.6MB

Download