4cb0f894402606c0dba3f17656d1dc985708db0cddb8cc4ff37591b7265a1921

Analysis

max time kernel
149s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
17/05/2026, 10:58

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General

Target
2026-05-17_3b79bdd0317647e92ad9af7d636d0556_elex_wannacry.exe
Size 1.1MB
Sample260517-m2v3aaa14m
SHA256 4cb0f894402606c0dba3f17656d1dc985708db0cddb8cc4ff37591b7265a1921
MD5 3b79bdd0317647e92ad9af7d636d0556
SHA1 6d584e27fa2a07c2fe0e4704ca351dbc59f25149
SHA512 2e374aa429818b13bd5ae45c23855bfdb622d44490f2299947e2ba1d9571ff2e52b5cd7e6937bdf7adbf4704a212fd5bf9a2a09098c649c583ad1a2fd2a9119f
SSDEEP 24576:99C0XrUMFDsTB6vGPG2LW+P+mzRe+rYsVb3/Z8VNX:99C0Xgfe2DRe+rZVb3xe
TLSH
T1F5352334F20384B5E06E0D720B396990BB3671351DA47017F7CACABB5E3EAD5E03A599
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/1500-0-0x0000000000400000-0x0000000000431000-memory.dmp	UPX
behavioral2/memory/1500-1-0x0000000000400000-0x0000000000431000-memory.dmp	UPX

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1500-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/1500-1-0x0000000000400000-0x0000000000431000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4952	1500	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	2026-05-17_3b79bdd0317647e92ad9af7d636d0556_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-05-17_3b79bdd0317647e92ad9af7d636d0556_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-17_3b79bdd0317647e92ad9af7d636d0556_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 416
  2⤵
  - Program crash
  PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1500 -ip 1500
1⤵
PID:2236

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/1500-0-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/1500-1-0x0000000000400000-0x0000000000431000-memory.dmp