80b24a9e9fc39551fb41d92e235acf82617d9ddb772a32380e896446e83d9b8d

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
26/08/2026, 14:28

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General

Target
2026-08-25_a6f39625cf0baccd15640e8a5e72874d_elex_wannacry.exe
Size 82KB
Sample260826-rs1zdseq4y
SHA256 80b24a9e9fc39551fb41d92e235acf82617d9ddb772a32380e896446e83d9b8d
MD5 a6f39625cf0baccd15640e8a5e72874d
SHA1 99058c76f299bdc6e8c3bef87b99a40bc13b0499
SHA512 9332270ecb0bdb60a3e3bfcded7a6363539c17df529454b70e13e22d3775a747ea5954731f6ab47cd9192c82460341552aa6554ad6539d8509635e77ae0eedda
SSDEEP 1536:0eNbbLsha0pLXtdNWm2uNYhm1cSMehm1s/XZI2Wu3:0eNwDpXt7CLSMehm2/XZJ3
TLSH
T14B835B13EA970CB3FA1045B205AE26B7E57BF8995B396F435790DE9E1932582CC3034E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
820	winlgon.exe
3004	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"	2026-08-25_a6f39625cf0baccd15640e8a5e72874d_elex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-08-25_a6f39625cf0baccd15640e8a5e72874d_elex_wannacry.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 5 IoCs

pid	pid_target	Process	procid_target
1992	820	WerFault.exe	89
764	3412	WerFault.exe	88
6068	3004	WerFault.exe	94
2516	820	WerFault.exe	89
548	3004	WerFault.exe	94

System Location Discovery: System Language Discovery 1 TTPs 3 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	2026-08-25_a6f39625cf0baccd15640e8a5e72874d_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
3412	2026-08-25_a6f39625cf0baccd15640e8a5e72874d_elex_wannacry.exe
820	winlgon.exe
820	winlgon.exe
820	winlgon.exe
820	winlgon.exe
820	winlgon.exe
3004	winlgon.exe
3004	winlgon.exe
3004	winlgon.exe
3004	winlgon.exe
3004	winlgon.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 820	3412	2026-08-25_a6f39625cf0baccd15640e8a5e72874d_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-25_a6f39625cf0baccd15640e8a5e72874d_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_a6f39625cf0baccd15640e8a5e72874d_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:3412
- 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:820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 744
    3⤵
    - Program crash
    PID:1992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 992
    3⤵
    - Program crash
    PID:2516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 976
  2⤵
  - Program crash
  PID:764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 3412 -ip 3412
1⤵
PID:5844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 820 -ip 820
1⤵
PID:1048

\??\c:\users\admin\appdata\local\temp\winlgon.exe
c:\users\admin\appdata\local\temp\winlgon.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 712
  2⤵
  - Program crash
  PID:6068
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 720
  2⤵
  - Program crash
  PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3004 -ip 3004
1⤵
PID:4576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 820 -ip 820
1⤵
PID:2208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3004 -ip 3004
1⤵
PID:6120

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 Information Discovery

T1082

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 82KB
SHA256 dd847d65ed220d2adaa80a16ac3e77c9f0dcca1bf9997e340687caf7e087ae53
MD5 caa42140bb898f955e859d0ab51d18ed
SHA1 fd2ce37777f378b70344427197239add5f71bcc1
SHA512 c283047e8574d7977a5b44599585e233d4e750e5779b0be61187f49a94d41a0512927ff47d561dc4fd33edc550302cb395005acabe0530d6538ef6d61454964d
SSDEEP 1536:0eNbbLsha0pLXtdNWm2uNYhm1cSMehm1s/XZI2WuG:0eNwDpXt7CLSMehm2/XZJG
TLSH
T1F4835B13EA970CB3FA1045B205AE26B7E57BF8995B396F435790DE9E1932582CC3034E
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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