ebcb90451ae454df312b90a374be7142242cc0b6e8b51683463db2d138c63106

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/09/2026, 12:18

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General

Target
rserver30\rchatx.dll
Size 281KB
Sample260909-pg3mqswway
SHA256 ebcb90451ae454df312b90a374be7142242cc0b6e8b51683463db2d138c63106
MD5 52a194fc0beeea4cc81f1801530b96c9
SHA1 9992776bfa36250603ed02e03614afd9da688cb2
SHA512 ee9653c955ff839e35b3914014d77cebe58c3618d129ddc09ccc0f7f9f49281fd97b8542be08fbbd2ec382a1dbb0d030d0d65479c54c1be2ae10474cbcb05329
SSDEEP 3072:9HxmZzv3Cg7P2VPHMaVPzlqmHhfbc6whZmuoqnbmlomZj9H6cOGhAvNb/0NBa4Tc:2TaV7NshYuOp7On1sfa4TaYm
TLSH
T1AF548D3331E08432E2B71730653A964649F5FC214F79844BB3E53D8EAD75EC29A2AB17
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3076	1488	WerFault.exe	89

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 3176 wrote to memory of 1488	3176	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rserver30\rchatx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rserver30\rchatx.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 596
    3⤵
    - Program crash
    PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1488 -ip 1488
1⤵
PID:4320

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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