0e493378a27506212fcc87e789db21e8634da1fddd007908b58147f644992f98

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/09/2026, 22:31

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General

Target
2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe
Size 79KB
Sample260908-2fqyrsysh1
SHA256 0e493378a27506212fcc87e789db21e8634da1fddd007908b58147f644992f98
MD5 7af37fd79755aa3850432d09f5e08420
SHA1 4b5a21fd55069037229803b9791e55bde0a2b72e
SHA512 bc058b0b74cf9a2c53b0608ca9e139daf50df67927604b8b639fb1edd3928cc44b6721fab84531cf28f902373d727de0f878071cc3853afc71573cbe2bea8db7
SSDEEP 1536:PAoDNEJeKAYfXrhNLPg10iRvwfVcafh6G0P0Ra+8QSW1V:vDNEJe67hdg10ilwfVcafh6R0Ra+8Or
TLSH
T13C83CEF8665D0D32E7A1C13FC7BE5ADDFA91D085E130ACD66AB0DA7108702A7D01F21A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5000	wmcserv.exe

Executes dropped EXE 2 IoCs

pid	Process
5000	wmcserv.exe
2580	wmcserv.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wmcserv.exe	2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe
File created	C:\Windows\SysWOW64\wmcserv.exe	2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe

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	2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmcserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmcserv.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3428	2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe
3428	2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe
2580	wmcserv.exe
2580	wmcserv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	wmcserv.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 5000	3428	2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Windows\SysWOW64\wmcserv.exe
  C:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-09-07_7af37fd79755aa3850432d09f5e08420_elex_wannacry.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5000

C:\Windows\SysWOW64\wmcserv.exe
C:\Windows\SysWOW64\wmcserv.exe -v
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2580

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

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Downloads

wmcserv.exe

Path C:\Windows\SysWOW64\wmcserv.exe
Size 79KB
SHA256 3a61e3ecc01f256085e408a91577222889a279bbcda729e69f3ad9a03db178c7
MD5 1e28b90fb22530813c83a30d5e74b10c
SHA1 90c4b8d585d2fc243106150044b0ab1c3a114855
SHA512 01f39501f95b51f5f5b5e2e8ce50bce0350ffbbea4cc815402dab7891c66f590a0171098ef29c037e3a72214aa299881a8e9bc52bb244fbbd672e8503ec08e7f
SSDEEP 1536:PAoDNEJeKAYfXrhNLPg10iRvwfVcafh6G0P0Ra+8QSW1k:vDNEJe67hdg10ilwfVcafh6R0Ra+8OC
TLSH
T15E83CFF8665D0D32E7A1C13FC7BE5ADDFA91D084E130ACD66AB0DA7118712A7D01F21A
MD5 SHA1 SHA512 SSDEEP TLSH

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