4db7b5fe1d1b539a4d5457b75bb0ff3022a45d995e25e0c1f37f7e15c9dbf518

Analysis

max time kernel
149s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 09:49

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General

Target
2026-08-03_c642e7ad4561e62c11bf8cb98c50f55e_elex_wannacry.exe
Size 16.2MB
Sample260804-ltmkhaxbmc
SHA256 4db7b5fe1d1b539a4d5457b75bb0ff3022a45d995e25e0c1f37f7e15c9dbf518
MD5 c642e7ad4561e62c11bf8cb98c50f55e
SHA1 12cd87580cc724ea8f19b0a2e0c17bebff21db0f
SHA512 747fa33388ab9116d04c9fdefd252503f644453de39d9101ce90ba469f93cd0f8466465a4ddfd66e1d271487292bf37fb30fc4d453c40e83f64af1d91d53015b
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZS:S
TLSH
T1B507650F60D8F2DED45009D6A9BAD3162BA351859FCB8320A6314C9949EFF7937CC35A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1416	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-08-03_c642e7ad4561e62c11bf8cb98c50f55e_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-08-03_c642e7ad4561e62c11bf8cb98c50f55e_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	1416	WerFault.exe	89

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	2026-08-03_c642e7ad4561e62c11bf8cb98c50f55e_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4896	2026-08-03_c642e7ad4561e62c11bf8cb98c50f55e_elex_wannacry.exe
1416	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 1416	4896	2026-08-03_c642e7ad4561e62c11bf8cb98c50f55e_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_c642e7ad4561e62c11bf8cb98c50f55e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_c642e7ad4561e62c11bf8cb98c50f55e_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:4896
- C:\Program Files\Common Files\Microsoft Shared J\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 476
    3⤵
    - Program crash
    PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1416 -ip 1416
1⤵
PID:1856

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 J\lsass.exe
Size 31.2MB
SHA256 62a8d2b9752bdf71eea13a99ab164b8d66c25d704217180f501e1205af5852fe
MD5 1b4294f5a700f0dca4f8c84634e0becf
SHA1 e4f7ac8f9149ab08a7aeac181f448ea8c863159b
SHA512 341c309b2b6cd3ab3cf8bc6244368376afdba7ab6cd85c33b4f852b1c430a75f0301d827f50902dc33e90935ebb276361127b228a3b270dcc9fa0fc25778ac80
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZr:r
TLSH
T1C277FBD3E2E9FECF921549DD9A36D7933A0219C0DAC59342BB384EC105E75B867E422C
MD5 SHA1 SHA512 SSDEEP TLSH

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