eeed86addbf5989fe54e862e68e9a287eeaad11b209c26de67ab660b21445e15

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/08/2026, 01:11

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General

Target
$PLUGINSDIR/AppAssocReg.dll
Size 14KB
Sample260801-bkcntsvbme
SHA256 eeed86addbf5989fe54e862e68e9a287eeaad11b209c26de67ab660b21445e15
MD5 012461cad43cc5a871bb2019a461a2e4
SHA1 75617dce95008117b5b1bd602bbbe58dfda4e6d8
SHA512 f1c42d0703e5c4fafae2fab90a7c23499e8b72f9e04ecc10602d1c48ca08781000cda36af86577b3e2380684ca442db54668f390822f3590b6dca6507e80fa2e
SSDEEP 192:zJfFQBTidO4veM7x0KDWpHFtH6cAAANa3Gy2sE9jBFKWJfsHRzt8oOT3ip0lL:lfF6iddHvDGFtart8E9VFK4ittEipoL
TLSH
T105623AF787906C10DD6B8E3231D89D267EB2F7826A90C1EB4329C50057917877AFC29E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1488	5024	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 3052 wrote to memory of 5024	3052	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AppAssocReg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AppAssocReg.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 632
    3⤵
    - Program crash
    PID:1488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5024 -ip 5024
1⤵
PID:4364

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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