de4187c3fe93a374fa345d16d53c6e68948e1a1f5dab102821739cfe801bfc6a

Analysis

max time kernel
8s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/09/2026, 14:17

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General

Target
MasonCrypt.exe
Size 363KB
Sample260903-rl2mcavxex
SHA256 de4187c3fe93a374fa345d16d53c6e68948e1a1f5dab102821739cfe801bfc6a
MD5 ec6f7bd34898ebc437cc0d35c0768ce6
SHA1 039e0189818fb14819ee4159adf28a9820e5dee3
SHA512 9ae6740d0e85c5d03f9542692ea6903c537d9cf2131c43086f21ab16b208ca87d6030eb39afe92e6cc733cb74be86993cf865192ce183c1377a872964ec6f056
SSDEEP 6144:3b0w9/KlqAsNujNs1QTKU+u44xjhZ0zWQw67YpQZLcG/uQvU:L0fR5s1Q2ruZjh2CQw6rn/8
TLSH
T133848C187BD0BA02CD5A2E7354F19820836FF88317A6E727B8CD164A7F623DC8D585D2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3380	1152	WerFault.exe	79

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	MasonCrypt.exe

C:\Users\Admin\AppData\Local\Temp\MasonCrypt.exe
"C:\Users\Admin\AppData\Local\Temp\MasonCrypt.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 932
  2⤵
  - Program crash
  PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1152 -ip 1152
1⤵
PID:4496

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/1152-0-0x0000000000430000-0x0000000000490000-memory.dmp

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