e27ff9b6b82087984525e6cfb430d234abd4dacf20d620b5eb6036f7d3035eaa

Analysis

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

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
17/08/2026, 03:43

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General

Target
2026-08-17_0f989dca354478abf359a759be8920bc_elex_wannacry.exe
Size 73KB
Sample260817-eaachaej71
SHA256 e27ff9b6b82087984525e6cfb430d234abd4dacf20d620b5eb6036f7d3035eaa
MD5 0f989dca354478abf359a759be8920bc
SHA1 e3c9d4c0a48ee6b2954836c67d6c40c3748333e7
SHA512 764b53c86391dfa9014a0cd3868f22af20bdd7802763826064e842035c784f60d5fe6f2f9b9c1f1cfdf25669b43b4028cc2ecaaa5eb97eac0cfb7ba36c1e03c7
SSDEEP 1536:abSshapMJgKJUuxm2mfJPtOgqm1s/XZij0:K25KJFwfJPtOgqm2/XZiw
TLSH
T1C5733A97EA6A0895EB1042B055AE4A72A933FC6CCF1B7E8353CCDE2D5C371929C2415F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3760	winlgon.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-08-17_0f989dca354478abf359a759be8920bc_elex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-08-17_0f989dca354478abf359a759be8920bc_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4104	3760	WerFault.exe	87
1740	3036	WerFault.exe	86

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	2026-08-17_0f989dca354478abf359a759be8920bc_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3036	2026-08-17_0f989dca354478abf359a759be8920bc_elex_wannacry.exe
3760	winlgon.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 3760	3036	2026-08-17_0f989dca354478abf359a759be8920bc_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-08-17_0f989dca354478abf359a759be8920bc_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_0f989dca354478abf359a759be8920bc_elex_wannacry.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3036
- \??\c:\users\admin\appdata\local\temp\winlgon.exe
  c:\users\admin\appdata\local\temp\winlgon.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3760 -s 676
    3⤵
    - Program crash
    PID:4104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 592
  2⤵
  - Program crash
  PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3760 -ip 3760
1⤵
PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3036 -ip 3036
1⤵
PID:540

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

winlgon.exe

Path C:\Users\Admin\AppData\Local\Temp\winlgon.exe
Size 73KB
SHA256 f397983f95c11604b38c2d91b8be73fcd46814d0debafc4ff51344d6dd493234
MD5 1d2770ad44b404df11882874f46942e3
SHA1 a259fce03ad4de440b8ba8b2b1db19ef69b98c2c
SHA512 cfef5f601bc18091f08af2d792a73e397296457825e4e568c383fe06dd48bdfea9cc3857862a97ecb6cef05f6659e04c2dd61ced168103e3593d2c4892d335c1
SSDEEP 1536:abSshapMJgKJUuxm2mfJPtOgqm1s/XZijS:K25KJFwfJPtOgqm2/XZie
TLSH
T1E7733A97EA6A0895EB1042B055AE4A72A933FC6CCF1B7E8353CCDE2D5C371929C2415F
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads