a557b3d732c183b398b56971d9c00e6e79a57d7d16fc5cb1976dc6efdc647e91

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
15/08/2026, 05:37

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General

Target
2026-08-15_98633215d83e4b1be386bffd628da4c4_elex_wannacry.exe
Size 31.2MB
Sample260815-gbd37azdlf
SHA256 a557b3d732c183b398b56971d9c00e6e79a57d7d16fc5cb1976dc6efdc647e91
MD5 98633215d83e4b1be386bffd628da4c4
SHA1 0db399db53915b72c6b4746c4a97051ef7819b40
SHA512 c41a6057a2b3aeb155c5362ae5f22f7c8c113c1e7fdcefc66ce39f563e3e05c82ca1e0807fe95583a6bf44211687d95212a2e924a3d89f58c9083449f30c15d0
SSDEEP 768:zLPJznj7IMhrDTShWyDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDn:XxD7Ohn
TLSH
T14777E64FC730BA63D25540A6F2896017AC729709A016834575EF0A78BFC326EE71DFE9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5812	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared N\lsass.exe	2026-08-15_98633215d83e4b1be386bffd628da4c4_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared N\lsass.exe	2026-08-15_98633215d83e4b1be386bffd628da4c4_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4632	5812	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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-15_98633215d83e4b1be386bffd628da4c4_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1772	2026-08-15_98633215d83e4b1be386bffd628da4c4_elex_wannacry.exe
5812	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 5812	1772	2026-08-15_98633215d83e4b1be386bffd628da4c4_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-15_98633215d83e4b1be386bffd628da4c4_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_98633215d83e4b1be386bffd628da4c4_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:1772
- C:\Program Files\Common Files\Microsoft Shared N\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5812 -s 276
    3⤵
    - Program crash
    PID:4632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5812 -ip 5812
1⤵
PID:1388

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 N\lsass.exe
Size 46.0MB
SHA256 52da3e7085f28c1feeb82b73bf45f65a2220221fd1e22679cd2ffd67f4f77011
MD5 922b759d1c5b4ad55e7ff785bbd56fef
SHA1 f2c4c8a0a98d28de3f96224439d135ddbc86da72
SHA512 e7dfcd1530e94b87a70799928e360e67743602c081a3fdb1fbf5aea5645986e6816245f25e682fe22fc577bdc8014db7e680c7a4474af887d55f564b5cc40b0e
SSDEEP 768:zLPJznj7IMhrDTShWyDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDE:XxD7OhE
TLSH
T154B70A4ED360B553C6594482FA44911B8C32DA1992A2824931EB1B396EC375FFA3CFDF
MD5 SHA1 SHA512 SSDEEP TLSH

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