6872b9d4da83ecef1f7028666183367d1173bc6939bef6dc254b2b2bf5678944

Analysis

max time kernel
149s
max time network
97s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 15:52

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General

Target
2026-06-04_c0278936dfdd6726b8c2fc9294bcf574_elex_wannacry.exe
Size 1.1MB
Sample260604-ta4cxaay4p
SHA256 6872b9d4da83ecef1f7028666183367d1173bc6939bef6dc254b2b2bf5678944
MD5 c0278936dfdd6726b8c2fc9294bcf574
SHA1 502aeb26db8844a0847ff567e7e0376215f0557a
SHA512 ad422aca2aab4841997446b25ea836257131b8d5e1a2a8962d7d7e7f5cf64101dac9fc69fb3b0fb08f5104fd8f1b454f1afec0ac3bad5304244a2f70f55ced9f
SSDEEP 24576:99C0XrUMFDsTB6vGPG2LW+P+mzRe+rYsVbjtbgH0DK7:99C0Xgfe2DRe+rZVbjtbgHeK7
TLSH
T18C352334F20399B5E0794D720A598C90AF7770754CB4A017E788DAAB6E7DBD2F039790
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery upx

Malware Config

Signatures

Custom signature

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/4900-0-0x0000000000400000-0x0000000000431000-memory.dmp	UPX
behavioral2/memory/4900-1-0x0000000000400000-0x0000000000431000-memory.dmp	UPX

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4900-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4900-1-0x0000000000400000-0x0000000000431000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	4900	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	2026-06-04_c0278936dfdd6726b8c2fc9294bcf574_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-06-04_c0278936dfdd6726b8c2fc9294bcf574_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-04_c0278936dfdd6726b8c2fc9294bcf574_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 420
  2⤵
  - Program crash
  PID:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4900 -ip 4900
1⤵
PID:4368

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/4900-0-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/4900-1-0x0000000000400000-0x0000000000431000-memory.dmp