890b73cc251e40be9858347b187f65f230cdf651fe1571abe05cfa36218e29d7

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/08/2026, 01:14

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General

Target
2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
Size 27.6MB
Sample260802-blw4vsbc65
SHA256 890b73cc251e40be9858347b187f65f230cdf651fe1571abe05cfa36218e29d7
MD5 1a2f7008d5bd33d87bf71980d97bc323
SHA1 81e703c8d9928619e5cadcd31d362f2d6ed1afb5
SHA512 e17a86780592ddf4acd94f4e0ee02ad28c84a0e657125b279e9bf6629be5b676849b835f758d547dde16f6a98fab5eac0c56b475cff498a6862c47e54e4d58ab
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZa:a
TLSH
T1D757B69E502927F3AAA2AE334587DE11637E4DE73361C16C819FC5CC972FAA793448C1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1256	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1028	1256	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	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3400	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
1256	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 1256	3400	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_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:3400
- C:\Program Files\Common Files\Microsoft Shared F\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 420
    3⤵
    - Program crash
    PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1256 -ip 1256
1⤵
PID:5116

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

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared F\lsass.exe
Size 39.2MB
SHA256 4bfa179270fbded140959b38ce05b2bb85ebae812ae8e58784a94a7ce0a48f87
MD5 cd57c683d5cd6257f99ca3907da110a4
SHA1 e75056444eb9f8edaf8846460995ca997da7376f
SHA512 98ccbf9a12508638a287249a49de5ff715d6c912b08ac520724862058bea5ddd955f049beec2132d5960948e64e3954e7326628d130da65b08a0a08819a73bce
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZv:v
TLSH
T14C97D69F50342BF3AE926D231296A560239E0FF73750C159C1DB96EC666FDB3A384C81
MD5 SHA1 SHA512 SSDEEP TLSH

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