4240306e72cba694499dd86307d339de7fb10823eac1262220fdb9621e9460a3

Analysis

max time kernel
150s
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, 10:03

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General

Target
2026-06-04_70888f621a667bfe3903e65fbb8d07db_elex_wannacry.exe
Size 2.9MB
Sample260604-l3ftbads5r
SHA256 4240306e72cba694499dd86307d339de7fb10823eac1262220fdb9621e9460a3
MD5 70888f621a667bfe3903e65fbb8d07db
SHA1 e353ef19f353ccffa4010f626d97b28b7eb352af
SHA512 81c05e73353956af2a744a1560a814c1fe24f10280478e826483e4e26cd079bdca5ba75d190163c1de69466806e7550720826ce80fcd2d6dbcde02960859a036
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBU:Em
TLSH
T1A3D563F900D525A462C42DF0EFBE23B0DFDC9968729FCD2093E50980BE66F62E6565D0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4028	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
4028	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared P\lsass.exe	2026-06-04_70888f621a667bfe3903e65fbb8d07db_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared P\lsass.exe	2026-06-04_70888f621a667bfe3903e65fbb8d07db_elex_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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_70888f621a667bfe3903e65fbb8d07db_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1992	2026-06-04_70888f621a667bfe3903e65fbb8d07db_elex_wannacry.exe
4028	lsass.exe
4028	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 4028	1992	2026-06-04_70888f621a667bfe3903e65fbb8d07db_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-04_70888f621a667bfe3903e65fbb8d07db_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-04_70888f621a667bfe3903e65fbb8d07db_elex_wannacry.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Program Files\Common Files\Microsoft Shared P\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4028

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

Replay Monitor

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Downloads

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared P\lsass.exe
Size 17.5MB
SHA256 dd0c1086cb8decd24c5e7379aff75c1854cfa535fb47193886615e01d313d734
MD5 3a8f20136e6cd57e21eab362914b763a
SHA1 b95d7bbe98cff907c2b4741f1cba72ef20112f10
SHA512 fb7c9aec22c2ddd9ae2466706039e3f88f3b38222815a53691638db712e8f89ce12bb9f9f92676c9094e7b645a74dd0c9bedc15d1b3cbd22c58f50d495b62430
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB6:EI
TLSH
T1C307051E995E7F92078C0886BA6F436C87464EFDB02A6C0D9AD13CDABF8FF1141E1456
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 2f681e8edf9ac1dc412371264e8a49d330cb96353d4a6881928656590341b446
MD5 c141750aeb3dcb93072b0d419fe03dcb
SHA1 34523d8470b832c020059e42535d3270ecbb6be1
SHA512 6e07e260b2c0285bd4a775b47f09e4562a9dc500f263b058198143c66ca40d8f49849f7c1f381abbe9e04724df22b6a8cd2e5b2a2da5fc0bf484b05182514448
TLSH
T189B0120053BE8B952444D00385F0906D85B0690C2E57375023209C49D9C04CBF660181
MD5 SHA1 SHA512 TLSH