Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/04/2026, 15:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe
Resource
win11-20260130-en
7 signatures
150 seconds
General
- Target 2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe
- Size 80KB
- Sample260422-s76zmaev71
- SHA256 3fb5bd0c7f2cc422c29f1763e6bce10d198431308ded8e8be37c08f6c57cbb0b
- MD5 3da6e89c5f535d157d76210986f91b7b
- SHA1 63a9bf43df39c4f5a90b567b36c5ed5d59114f10
- SHA512 c6d4c56d2215638d621fe7235162c08981c7d36af6e47af7cf26b4ff51cbfc41df3899bd07a08f80d4e274cadea2533bfb0f8766255bbca290985443eb4589f9
- SSDEEP 1536:QXEp241sRkm/M1MkxE37WUjMrhK/dIy5DVMnc92eRQWFp:Q0p241mkiM1MkoWUjmhgOcdLQOp
- TLSH T17C83CE2FB6B419F7F87384B4F84D4B29D7BB14105775822A8FA05E952DB8380863DF0A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 4712 wmcserv.exe - Executes dropped EXE 2 IoCs
pid Process 4712 wmcserv.exe 1112 wmcserv.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wmcserv.exe 2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe File created C:\Windows\SysWOW64\wmcserv.exe 2026-04-22_3da6e89c5f535d157d76210986f91b7b_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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmcserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmcserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 912 2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe 912 2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe 1112 wmcserv.exe 1112 wmcserv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1112 wmcserv.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 912 wrote to memory of 4712 912 2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\system32\wmcserv.exe -d "C:\Users\Admin\AppData\Local\Temp\2026-04-22_3da6e89c5f535d157d76210986f91b7b_elex_wannacry.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4712
-
-
C:\Windows\SysWOW64\wmcserv.exeC:\Windows\SysWOW64\wmcserv.exe -v1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1112
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\wmcserv.exe
- Size 80KB
- SHA256 366155cc8cad231c874742dc035deeadc252111f6b6c3e5838e584e4be2e0028
- MD5 19d0fc9d28e7eb5094fe7a1b35879b44
- SHA1 b6b12d00b20ad93357c2934ddd74f42e90b84912
- SHA512 7431acbf99e2ab7ffb81d351a6d45a065b02aeb4b10813f2c14d461f09d4ca8eb238e771093ad554397be489e5569008cb7af51c02b3aaff3297896a7dc5c6ac
- SSDEEP 1536:QXEp241sRkm/M1MkxE37WUjMrhK/dIy5DVMnc92eRQWOF:Q0p241mkiM1MkoWUjmhgOcdLQNF
- TLSH T17483CE2FB6B419F7F87384B4F84D4B29D7BB14105775822A8FA05E952DB8381863DF0A
- MD5 SHA1 SHA512 SSDEEP TLSH