dfd0599f79b92a5acb9225f8005da5ef667c70ee9e8f7901c4b0112ca62d8897

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/07/2026, 04:34

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General

Target
2026-07-14_0b5f294dafaa66558cb001bec37c0147_elex_wannacry.exe
Size 27.2MB
Sample260714-e7j8zaet6p
SHA256 dfd0599f79b92a5acb9225f8005da5ef667c70ee9e8f7901c4b0112ca62d8897
MD5 0b5f294dafaa66558cb001bec37c0147
SHA1 ba1f4578170fb06d8067c2f828fb360db947368d
SHA512 2cb9e4a765a124d021eab95c12008f3bfc8cd1e8afa90745ceeef37a38a2e286270d50b635321a0823c2761a44617159a2a2922d4effd5ca50f213e1525d287f
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNf:jK
TLSH
T1E757A880C2A71205C3F46FB4A3976FE56781B8D9F63381CAACD25BD685EDA6539F400C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4896	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared A\lsass.exe	2026-07-14_0b5f294dafaa66558cb001bec37c0147_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared A\lsass.exe	2026-07-14_0b5f294dafaa66558cb001bec37c0147_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1268	4896	WerFault.exe	85

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	2026-07-14_0b5f294dafaa66558cb001bec37c0147_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1304	2026-07-14_0b5f294dafaa66558cb001bec37c0147_elex_wannacry.exe
4896	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 4896	1304	2026-07-14_0b5f294dafaa66558cb001bec37c0147_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-07-14_0b5f294dafaa66558cb001bec37c0147_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-14_0b5f294dafaa66558cb001bec37c0147_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:1304
- C:\Program Files\Common Files\Microsoft Shared A\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 424
    3⤵
    - Program crash
    PID:1268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4896 -ip 4896
1⤵
PID:4296

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 A\lsass.exe
Size 40.7MB
SHA256 59e9c59372dea07fddc984663b2e77d7b0dd0761ed27a2d539be12f7784f5cd0
MD5 4e92a310cd1e735ce54aa4920aff5bfd
SHA1 e89379a3c8fb2c471cd37e87a1a50e6134d20129
SHA512 5c0b4fa128434c1fb8c6f1aa148c5e5dc7fd0147cabb9f0765913baae6ee2f12f6b1b5bf4fc93bf4a08ed1f6d58a7ba9b5097e6d335831bc65d8dd76cf8a136e
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN2:jV
TLSH
T1EE97EB82C1A3274DCBF49EF957D3AFD82343B5D264A2818678911BE1D8AD7B278F501C
MD5 SHA1 SHA512 SSDEEP TLSH

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