31933244bf77d99a72f25de0b764d9f49ea75a9c3041fd778fb5e9a844e378d5

Analysis

max time kernel
0s
max time network
2s
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, 00:40

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General

Target
az-v2.dll
Size 18KB
Sample260801-az7bbaba82
SHA256 31933244bf77d99a72f25de0b764d9f49ea75a9c3041fd778fb5e9a844e378d5
MD5 aadda1b7472024c4c8db8f720f9278f0
SHA1 ffdc8989ef84fcc6e71ecda69ea1545d1d1b2da5
SHA512 6ec41edd9c8ab0a315fa1ec776f1593976a10637a8b7354ae3558040e1855c26bd73ea462e183ae4b864f3bb50a4e8177327d6f2a207475ef37632cb9364e17e
SSDEEP 384:b0UaqgYjeK+r6WDgpwKNs43b7u98nby8RbmL4nNyE:brdyz66V43bP5AL
TLSH
T13D825D63AE505C83CD467F74B0CB9A6F7879B660074288C36934C4748F823D629AD2BF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3624	4744	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 4596 wrote to memory of 4744	4596	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\az-v2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\az-v2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 620
    3⤵
    - Program crash
    PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4744 -ip 4744
1⤵
PID:5124

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/4744-0-0x000000006AD00000-0x000000006AD06000-memory.dmp

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