34208ce8735852fd589010c51f18be1814a1e48c59eda19475324eb68045ad2f

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
25/05/2026, 16:15

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General

Target
$PLUGINSDIR/fUtil.dll
Size 243KB
Sample260525-tp87psds6l
SHA256 34208ce8735852fd589010c51f18be1814a1e48c59eda19475324eb68045ad2f
MD5 fce78d97db2b39c0a99f5d1b07c56219
SHA1 929e98a45d866fcc6db9052e984823c6d4235b8f
SHA512 fb4bd879547263ab29d8129abe46f05ff5ac8d488f0ffa4a27d2de5b0b7808b0e6b1a3efffd83461beb4a889de774ed6ac69bbf5412f7a80995a96a5bee99ffb
SSDEEP 3072:ebkagTeOEvxaBcbrQli2fzn+7Mf8txAnRDznBhPiflPGHpQqWvS2j7USkeIcjgq2:tkxaBc+lpfoKhnBhaftyAUSk5cv4Nvr
TLSH
T130348D017480C431D8AE16311574DFB65BBEB8704FE1D6CFAB944D7A8F312C2AB35A6A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3092	1312	WerFault.exe	81

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 1312	4204	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fUtil.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fUtil.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 500
    3⤵
    - Program crash
    PID:3092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1312 -ip 1312
1⤵
PID:3068

Network

MITRE ATT&CK Enterprise v16

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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