Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/07/2026, 22:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-28_62eb496e012cc678ed006d7cf83e01c1_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-28_62eb496e012cc678ed006d7cf83e01c1_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-28_62eb496e012cc678ed006d7cf83e01c1_elex_wannacry.exe
- Size 7.6MB
- Sample260728-2vb36abl9w
- SHA256 8f0cc394c864fe41ff1ad388dfc61e792100ece3e118091017a5517a77d24073
- MD5 62eb496e012cc678ed006d7cf83e01c1
- SHA1 55ca615c24ee089f40fb3d88782e335115141229
- SHA512 1ddf65cf6555ff688ca6e1505643977d3dfa88d0a6052052c7c70c6f701a5e83e4ec05aeb5564af37307f4260d56eb366c3296135278dff3f78d562ae9ed878a
- SSDEEP 196608:xpIcIIC9V84z8AlN9rkRRrsxDLA+jM7qoHiJruC2rGQqRMN:IL9HzlnrIIN1ZoHiQDGQqk
- TLSH T1AA863353F64004C6CB596972AF570BA423FFAE5E4669EDC273573CBA00243684F0B65E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4572 servbrow.exe 1928 servbrow.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\servbrow.exe 2026-07-28_62eb496e012cc678ed006d7cf83e01c1_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 2026-07-28_62eb496e012cc678ed006d7cf83e01c1_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 4572 servbrow.exe Token: SeChangeNotifyPrivilege 4572 servbrow.exe Token: SeIncreaseQuotaPrivilege 4572 servbrow.exe Token: SeAssignPrimaryTokenPrivilege 4572 servbrow.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4464 2026-07-28_62eb496e012cc678ed006d7cf83e01c1_elex_wannacry.exe 4572 servbrow.exe 1928 servbrow.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4572 wrote to memory of 1928 4572 servbrow.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_62eb496e012cc678ed006d7cf83e01c1_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_62eb496e012cc678ed006d7cf83e01c1_elex_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4464
-
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:4572 -
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Popup2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1928
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\servbrow.exe
- Size 7.6MB
- SHA256 4bdd313fba181972f198d6de1af2a1a749dd87ca909844124a319641d2b78989
- MD5 b633ce3f1e0402a5a0111a7b01b73094
- SHA1 ae667461374198094205f36583d39b5c0cca384e
- SHA512 d856b6e1f02c93bbcbc83462aace0a4f4962fda445377c3362b05983bf5b3987fc3c500af4cd8c228537835b5d3dad08f9c709f6c408f4666f4c0e14316d30da
- SSDEEP 196608:cVqHdDzBU/aXZqMR85OlwCs1K+/z+h4lzis+:tI/aIC86wCsE+Cmlz3+
- TLSH T1B886338136DB354EC15B9331309D1FA9A4B09E618D10BC46E765CA98CEFF889F74D28E
- MD5 SHA1 SHA512 SSDEEP TLSH