00c9037adfce0c649c02fe5ecfeb998f3a3e44ab637fca01efe5826d880a3f3a

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
16/10/2026, 04:26

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General

Target
rivages.dll
Size 72KB
Sample261016-e2yjeaff48
SHA256 00c9037adfce0c649c02fe5ecfeb998f3a3e44ab637fca01efe5826d880a3f3a
MD5 ad71a3a39d2b59c493f1158353228ab4
SHA1 a27a4c87131769ba65963b08835b191745647a53
SHA512 eeb490576728a2cb8586e19aa4c4809d4dcf5bd999f47397cf86c6f54da486d6ad23366720ffdc3ccdb0c9c6371522e4992f0024cbdb5a1473d314fac136cedd
SSDEEP 768:qmDdydrW5kQF/7LY7NWeWN+bEJmYKHZQa3vGZ+jIdKR:VDdydrMV7ie+bEJmLea3vaKR
TLSH
T1CC73861232EA365EEAF237B81CBD23525F7B3D529DB4D74F0A60305C0DB5A819921B27
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4572	4780	WerFault.exe	85

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 2004 wrote to memory of 4780	2004	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rivages.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rivages.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 544
    3⤵
    - Program crash
    PID:4572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4780 -ip 4780
1⤵
PID:1860

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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