720be35cd1b4a333264713dc146b4ad024f3a7ad0644c2d8c6fcedd3c30e8a1f

Analysis

max time kernel
149s
max time network
145s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
18/04/2026, 00:54

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General

Target
$PLUGINSDIR/execDos.dll
Size 5KB
Sample260418-a9dfzset2x
SHA256 720be35cd1b4a333264713dc146b4ad024f3a7ad0644c2d8c6fcedd3c30e8a1f
MD5 0deb397ca1e716bb7b15e1754e52b2ac
SHA1 fbb9bcf872c5dbb4ca4c80fb21d41519bc273ef5
SHA512 507db0bee0897660750007e7ce674406acf9e8bf942cf26ded5654c07682757b07c9eb767bead0966478abc554dc9a6461c4288dc35d12cacfadad4c128f1bb7
SSDEEP 96:J++xDiP4p7t7dNOt3stxtRFFXxGD6qxlnKE6ttdH3r3:Rx9pJ7jQs5toD6Cln/6tt1
TLSH
T153C1E73AF2E409B3C2A806343EA6A42B17F9D02B071409B7876321CC6CD0DB8FE74256
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
736	2972	WerFault.exe	80

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 3040 wrote to memory of 2972	3040	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\execDos.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\execDos.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 448
    3⤵
    - Program crash
    PID:736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2972 -ip 2972
1⤵
PID:4252

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

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Downloads

memory/2972-0-0x0000000000590000-0x000000000064B000-memory.dmp

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