b6f5b250f457968fd69711c4919c20b6a96be4e0c7eb73f986d9fe1a541964a7

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/10/2026, 04:15

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General

Target
$TEMP/R2RNIKG3.dll
Size 286KB
Sample261002-evqvzsty4k
SHA256 b6f5b250f457968fd69711c4919c20b6a96be4e0c7eb73f986d9fe1a541964a7
MD5 73ea66ad9f6a0adf8f2dd768a2fecb06
SHA1 2a310b1a0fb8b9b356166d24a58d8648d2bbe3f5
SHA512 6ea41f971d320021780ba2140ffb93d90c231bd54c542c2099b555a8c9c8bf1bb864b3c3b397524578850edd9f9048e7ffbddeb542376366cb2494e8f674f496
SSDEEP 6144:4EZzoOUiEPhf0PJFMVKD5vZ1iYUKPQVrrJKPoEm9mA0s2mMCr0Pat:4YnUiahMoVKdvZ1iQ4rrJKwpmClQPa
TLSH
T1345423B85F32FDCCD0C3B0BE09D585497D529D2C8F862DCF5584FCAB9C676A4422A06A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4356	540	WerFault.exe	86

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 4100 wrote to memory of 540	4100	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\R2RNIKG3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\R2RNIKG3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 620
    3⤵
    - Program crash
    PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 540 -ip 540
1⤵
PID:5016

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

Replay Monitor

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Downloads

memory/540-0-0x0000000010000000-0x00000000100B8000-memory.dmp

Download

memory/540-2-0x0000000010000000-0x00000000100B8000-memory.dmp