74d58b358c964f99e3beaa5b1d8ca1c8fc3ebfa9c6afb9c37d4228b96303d289

Analysis

max time kernel
150s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/07/2026, 00:00

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General

Target
2026-07-28_fef579072b48a338e70105413a915e18_elex_wannacry.exe
Size 47.0MB
Sample260729-aaly3scf62
SHA256 74d58b358c964f99e3beaa5b1d8ca1c8fc3ebfa9c6afb9c37d4228b96303d289
MD5 fef579072b48a338e70105413a915e18
SHA1 2ef6664de3a891c41c07f30145ba2de4c5ad4c54
SHA512 0b311763ff24467dc83aef2cc2a07972e5641531f5992f5b76aeb255597d21c9f7b34b85a20ac8d835f1ba6c627b9bd28c4997c3dabf49369ab8f9dc77cb2acd
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNa:jT
TLSH
T173B70B10D923AE8A8B5FC2F7E740CB4B746D8F2C4E2C11175997901AFA1469E12D6FCE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1468	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	2026-07-28_fef579072b48a338e70105413a915e18_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-07-28_fef579072b48a338e70105413a915e18_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4888	1468	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	2026-07-28_fef579072b48a338e70105413a915e18_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2420	2026-07-28_fef579072b48a338e70105413a915e18_elex_wannacry.exe
1468	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1468	2420	2026-07-28_fef579072b48a338e70105413a915e18_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-28_fef579072b48a338e70105413a915e18_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_fef579072b48a338e70105413a915e18_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:2420
- 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:1468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 472
    3⤵
    - Program crash
    PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1468 -ip 1468
1⤵
PID:936

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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