7cc57871fd0d630d27d810ae7a3ac97859e4e4676d63d3ee7e494522ae337d58

Analysis

max time kernel
149s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 23:19

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General

Target
2026-07-31_b936a0cbd04a9bcaefa77d91ff70f6cf_elex_wannacry.exe
Size 23.7MB
Sample260731-3a5qeasgnc
SHA256 7cc57871fd0d630d27d810ae7a3ac97859e4e4676d63d3ee7e494522ae337d58
MD5 b936a0cbd04a9bcaefa77d91ff70f6cf
SHA1 65e474ed5b3f3ce712478339a74eaa695fed7777
SHA512 e7f0734728a7524c9552e76e6d485c9192d6ce532cb3b062638e559b9d05d9c2f10711e2487d8960c314bc2430ddae9a1b9e424d4c9525e471923502f4ed7f49
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN5:jQ
TLSH
T12547662F1AB9807E46455E032ED625CC0E7A35E75EAFF0B12E90342DD78DDC26668372
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1196	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-07-31_b936a0cbd04a9bcaefa77d91ff70f6cf_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-07-31_b936a0cbd04a9bcaefa77d91ff70f6cf_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1440	1196	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	2026-07-31_b936a0cbd04a9bcaefa77d91ff70f6cf_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2780	2026-07-31_b936a0cbd04a9bcaefa77d91ff70f6cf_elex_wannacry.exe
1196	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 1196	2780	2026-07-31_b936a0cbd04a9bcaefa77d91ff70f6cf_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-31_b936a0cbd04a9bcaefa77d91ff70f6cf_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_b936a0cbd04a9bcaefa77d91ff70f6cf_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:2780
- C:\Program Files\Common Files\Microsoft Shared K\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1196
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1196 -s 472
    3⤵
    - Program crash
    PID:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1196 -ip 1196
1⤵
PID:4848

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 K\lsass.exe
Size 36.3MB
SHA256 7991cfeb42e23489a4d74427f260abbb9d706e13f34e60bd12204232361b71f8
MD5 240a63920a223c48933c4ebac8e76059
SHA1 6bb3d5184fd523eddbf7c246cc5c3cf82e1c9aa6
SHA512 e0792827af4a98701282bcd1995a4de9b7581d5384d1f32976f8c8f7b806c65d68e94c25d921be258d4996ccec26db3301530b82e0fe9eac5bdd328545cde72a
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNC:j5
TLSH
T14887DA2F6DFD407E16494A2329D755C80DFAF9E61DEEF0A2798434189B8ADC93498333
MD5 SHA1 SHA512 SSDEEP TLSH

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