c4e5890bdd4c2fd2d69c372d5abf0320b3d7a4449da306c41c0222690854f615

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/08/2026, 14:11

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General

Target
2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
Size 14.4MB
Sample260809-rhryqszajd
SHA256 c4e5890bdd4c2fd2d69c372d5abf0320b3d7a4449da306c41c0222690854f615
MD5 78a6c44fe67042de094e96274f495a4e
SHA1 00de4bee21dcf8a9b8cc6219ac63665e217ca1f6
SHA512 9e2347ebe2a09de60f14b78aac08676a385a096d7a6a38e59de9668a76a31a43f328791f67b2f71449fb046d0d16bbbe5b2e15733b248b627e56509ec15157bf
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNs:jL
TLSH
T161E654267E77DB3F32867ADC2760C9851B1518808F30D9B4995C2D07AE2C0EDA2F6D67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1208	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared B\lsass.exe	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared B\lsass.exe	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3976	1208	WerFault.exe	85

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	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4604	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
1208	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 1208	4604	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_78a6c44fe67042de094e96274f495a4e_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:4604
- C:\Program Files\Common Files\Microsoft Shared B\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 424
    3⤵
    - Program crash
    PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1208 -ip 1208
1⤵
PID:4084

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 B\lsass.exe
Size 27.8MB
SHA256 1128b1a50e51849781a98b921e4b1942f10d1b416ecfcde310b791694514bad0
MD5 9c7fa2df752180434f6f275db21abee3
SHA1 abb3a9ce954e1ee8db1d875c471c386d637a72ac
SHA512 cc0c554c8ea7e2738f6e6649c02c37d0c9607def13e492810606f8fc3d92a5ea65e7eb88c8ff5ea39340285936c9b90c81e79cb93980218594ef15f012eee0d4
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNR:jq
TLSH
T1CA57A9627D3F8B2F69DD61691DB8888A1E031991AF71E5E0588C7F05ED300D6E3E887D
MD5 SHA1 SHA512 SSDEEP TLSH

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