Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 18:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe
- Size 7.6MB
- Sample260805-xee3naterc
- SHA256 d245ac4c1032b791107ef82c1c07b6753dff190bc5d38b801029bd00743559c8
- MD5 3eafb595cacba0b3d8569010b944139e
- SHA1 2681b7210fe2d4f0233cb4f22d20cfb12e0978ff
- SHA512 4fb0b32867434cd49b37839efe5527363a1a70d74079520e63964d105a3707573e399b427775c07aa777e754cab81e3dbc477014b62a8478fde91b6eed2d1438
- SSDEEP 98304:C1b83SRh29bkHaKB2hqzppgtFev9LaF1syO7uTi57MTnx3frPHTbQSa0iyv2LcOV:vlbkHdB2Ypp+Fgyam7hzTB/zEvx
- TLSH T1C4863385BF10163FCD520B7157595B0DCABFED26BCFCD681D2A8494E9037818A38B2AD
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1036 servbrow.exe 4712 servbrow.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\servbrow.exe 2026-08-05_3eafb595cacba0b3d8569010b944139e_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 2026-08-05_3eafb595cacba0b3d8569010b944139e_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 1036 servbrow.exe Token: SeChangeNotifyPrivilege 1036 servbrow.exe Token: SeIncreaseQuotaPrivilege 1036 servbrow.exe Token: SeAssignPrimaryTokenPrivilege 1036 servbrow.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4884 2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe 1036 servbrow.exe 4712 servbrow.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1036 wrote to memory of 4712 1036 servbrow.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4884
-
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:1036 -
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Popup2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4712
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\servbrow.exe
- Size 7.6MB
- SHA256 510a5e4f2d1f0510ffe119ee383bb58f737a5d8728e0396a00fd7a421fb79f93
- MD5 e38b3ad2b39f8a0410483ea86f7e5e35
- SHA1 7403fd9148a73b8e41df4eb8a96b877c4408db8c
- SHA512 e7cb96ddf082292d5142f508c5b3265d679e66498be7638e78a892187a90cec87ad19422767afae8c4cb72a8d97b3a01464eabda6bfaa65446307ad98145b049
- SSDEEP 196608:7A81dmaI6MzjTUbrooriZHLwWIcl2FVIo2Ghi3Cx6smv:7Aa06MfTar5roHLARVIo2G886P
- TLSH T1A386334890E4196AC1E1B5316EF02DEDAEB68534F81B4D97DF0BCE75092FB4E1E29321
- MD5 SHA1 SHA512 SSDEEP TLSH