a481380345949ebb33be89c8b1ca2addb57481207bf335ea26003cc22736647a

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
05/06/2026, 15:25

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General

Target
2026-06-05_5ce169390ff10001b1ff8787fcf1d569_elex_wannacry.exe
Size 1.1MB
Sample260605-stvpfaat7v
SHA256 a481380345949ebb33be89c8b1ca2addb57481207bf335ea26003cc22736647a
MD5 5ce169390ff10001b1ff8787fcf1d569
SHA1 f9467f76429afd8403d57dcf6b0d1f8276d00db2
SHA512 e7fde6860de87fa4f1b0c661ea771a2452297036a061ca1c0877f420ff3b0a756e32f286f33b0c2a4d0d958e3ed0c04e2f8f5fa9456081205b6853e1da938ad4
SSDEEP 24576:99C0XrUMFDsTB6vGPG2LW+P+mzRe+rYsVbjtL0wiXi:99C0Xgfe2DRe+rZVbjtAwAi
TLSH
T1E335333CB203C5B5E0284D720B699D50AB7371350CB5602BE78D9AAB6D7EFC2E039596
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/1988-0-0x0000000000400000-0x0000000000431000-memory.dmp	UPX
behavioral2/memory/1988-1-0x0000000000400000-0x0000000000431000-memory.dmp	UPX

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1988-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/1988-1-0x0000000000400000-0x0000000000431000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4348	1988	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	2026-06-05_5ce169390ff10001b1ff8787fcf1d569_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-06-05_5ce169390ff10001b1ff8787fcf1d569_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-05_5ce169390ff10001b1ff8787fcf1d569_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 416
  2⤵
  - Program crash
  PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1988 -ip 1988
1⤵
PID:5836

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/1988-0-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/1988-1-0x0000000000400000-0x0000000000431000-memory.dmp