Analysis
- max time kernel
148s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 07:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe
- Size 44KB
- Sample260819-jvm7bazdrd
- SHA256 5a75b85822dae35bc9faeca4aa82a0a929e5760616669a2411644e8d9b0149ba
- MD5 a952941789b972052a47c70259153f4f
- SHA1 fbfe7bd3e4ece41971a572f98589268a325187d0
- SHA512 7f3d9892c320d975da642c30cc8a87c76e504790649980e5cf932fed3b424e02b7772479c5013651a196b3ecdd8c289cf8845e8aa4d55e5652741acad6cac9ac
- SSDEEP 768:tsQ4h4uYiqqWuFto6i/kkeH/P0NZIU0fgK+cNI7ZTtk:iLhIqWuF25k3P0bIU9Zp
- TLSH T18513C003CDEA8CAEC252DEF126B78B760535F9AB0990934F1741EE8DBC31A84591370E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/4128-2-0x0000000000A20000-0x0000000000A34000-memory.dmp UPX behavioral2/memory/4128-1-0x0000000000A20000-0x0000000000A34000-memory.dmp UPX behavioral2/memory/4128-3-0x0000000000A20000-0x0000000000A34000-memory.dmp UPX behavioral2/memory/4128-13-0x0000000000A20000-0x0000000000A34000-memory.dmp UPX - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe File opened for modification C:\autorun.inf 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe File created F:\autorun.inf 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe File opened for modification F:\autorun.inf 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe -
resource yara_rule behavioral2/memory/4128-2-0x0000000000A20000-0x0000000000A34000-memory.dmp upx behavioral2/memory/4128-1-0x0000000000A20000-0x0000000000A34000-memory.dmp upx behavioral2/memory/4128-3-0x0000000000A20000-0x0000000000A34000-memory.dmp upx behavioral2/memory/4128-13-0x0000000000A20000-0x0000000000A34000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4128 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe 4128 2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_a952941789b972052a47c70259153f4f_elex_wannacry.exe"1⤵
- Drops autorun.inf file
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4128