Analysis
- max time kernel
150s - max time network
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
04/08/2026, 18:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-04_a46519e3f498ee46c9fdb81c19b71615_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_a46519e3f498ee46c9fdb81c19b71615_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-04_a46519e3f498ee46c9fdb81c19b71615_elex_wannacry.exe
- Size 7.6MB
- Sample260804-xll5jsxgnd
- SHA256 cf2fe414012566f623af15bac3cf1489fab2a76d9f6fcd6bb83cd5d9ca2739ef
- MD5 a46519e3f498ee46c9fdb81c19b71615
- SHA1 08f26cea9cd254b0f85913f56725772a33659e22
- SHA512 80dc6ac3be7c2f0d2cd52399def47c1fb8f7e0e6d89897b90c2a002ebe3d8ff3790a800edc896c5fe5e690c46facc1a27fe6a8440cc19d7093155101c81565b6
- SSDEEP 196608:8iB/zEvxn/KUeRkE9pantN+RiCQts6q2gx+HoU:8IMniUeBQtNiQw2gWj
- TLSH T1E6863314194E157FD741DB371284CF88BBAEBCC63099A011872C4DAE5E634CAB8BD9DB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 5096 servbrow.exe 432 servbrow.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\servbrow.exe 2026-08-04_a46519e3f498ee46c9fdb81c19b71615_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 2026-08-04_a46519e3f498ee46c9fdb81c19b71615_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language servbrow.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language servbrow.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeTcbPrivilege 5096 servbrow.exe Token: SeChangeNotifyPrivilege 5096 servbrow.exe Token: SeIncreaseQuotaPrivilege 5096 servbrow.exe Token: SeAssignPrimaryTokenPrivilege 5096 servbrow.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4792 2026-08-04_a46519e3f498ee46c9fdb81c19b71615_elex_wannacry.exe 5096 servbrow.exe 432 servbrow.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5096 wrote to memory of 432 5096 servbrow.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_a46519e3f498ee46c9fdb81c19b71615_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_a46519e3f498ee46c9fdb81c19b71615_elex_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4792
-
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Service1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Popup2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:432
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\servbrow.exe
- Size 7.6MB
- SHA256 a02a97b2168ca537709c9805957a14331dd893ce947c17882466220b4926cb42
- MD5 cb5974d719f1097bc064746f385db7c4
- SHA1 b74cebc061eb66a3fc6296733ba6d296c3e90048
- SHA512 7424fd4b0c64ed9972315b72020be1a831e757044af9724f4779d0b8bbefe3418812ab295187caebe0a6397079d9cbebb6b241837b6ece08ed4e3f865aec775d
- SSDEEP 196608:aqdikTQqN1RJOBkAllg/Vo/e9ruAlrLtAs76sh4lzis+:aqdADBjAgwruAJyNsmlz3+
- TLSH T16386334744AE0515C67B0770237B8C7ACBA0292889EDF94BCB210D9E942772FE647F5E
- MD5 SHA1 SHA512 SSDEEP TLSH