b4312ffa8d9d21f0ae359f5386346fdcc23dc3925cac6bf6031974aeccbefcd1

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 01:49

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General

Target
2026-08-07_1971b6c47ddd7be26654d0e12938d7cd_elex_wannacry.exe
Size 32.2MB
Sample260808-b8rgwsxgnf
SHA256 b4312ffa8d9d21f0ae359f5386346fdcc23dc3925cac6bf6031974aeccbefcd1
MD5 1971b6c47ddd7be26654d0e12938d7cd
SHA1 741589869d92fc1c0f3b4fc0920c7d4c37ff7076
SHA512 b584ae22e494dc00778961e99cbe94fac641879397c8eb64933b2b79aa9a5c3bbdf2e691b851f44f8048886f342eb1a766e84f1aed6e5d61637c2b8855c73f8e
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ5:5
TLSH
T1CC77B9D802A31F3492D1D6DB90B30AB57D058874B27CF3C484B1C5BB8BAA965FDE85B4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3604	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared D\lsass.exe	2026-08-07_1971b6c47ddd7be26654d0e12938d7cd_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared D\lsass.exe	2026-08-07_1971b6c47ddd7be26654d0e12938d7cd_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	3604	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	2026-08-07_1971b6c47ddd7be26654d0e12938d7cd_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5972	2026-08-07_1971b6c47ddd7be26654d0e12938d7cd_elex_wannacry.exe
3604	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5972 wrote to memory of 3604	5972	2026-08-07_1971b6c47ddd7be26654d0e12938d7cd_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-07_1971b6c47ddd7be26654d0e12938d7cd_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_1971b6c47ddd7be26654d0e12938d7cd_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:5972
- C:\Program Files\Common Files\Microsoft Shared D\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 468
    3⤵
    - Program crash
    PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3604 -ip 3604
1⤵
PID:3536

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 D\lsass.exe
Size 46.8MB
SHA256 ffb292607e064364d3569ea9563feb367e5ad78e65aabd350e2b0e5415ae3707
MD5 630f64d1bc5aec4ec95f2f005339ab69
SHA1 7aaa0b0cfe797add27ff847b4488a0f3f78430e8
SHA512 966e1007c477115e66a2029e3af7b96f1f10b6bbc8c8acbd586384fb369db4fe4d2ed6aafd6c914e47b62fe9a613660cf961d0820d5409b186235267f3a45a87
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZL:L
TLSH
T1BCB7D5A402666FB413D2C29D757309657C155838F67CF2C988A0D5AF8B6FC60BEF82B4
MD5 SHA1 SHA512 SSDEEP TLSH

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