Analysis
- max time kernel
150s - max time network
153s - 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, 05:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-04_e9bac977fdb79f13b7e061b66e409756_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_e9bac977fdb79f13b7e061b66e409756_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-04_e9bac977fdb79f13b7e061b66e409756_elex_wannacry.exe
- Size 7.6MB
- Sample260804-fny4fswtbx
- SHA256 33872f0d5931640b1d1a400fb235be332fd4f9beddc79197244faee225d0933f
- MD5 e9bac977fdb79f13b7e061b66e409756
- SHA1 510a076fcd2b1f86a5662b313f8a23319d818b5e
- SHA512 b9dea57460e584e4134be9b61820f55873e92c6a5295613e1e4d5de5041947ddf9346147852f31e833ea56454143374dffe9a5f890cececcf2d69041421e2507
- SSDEEP 196608:JZk5s7PWdSywz5gorqRFZBynulVMSrAm8faXjOtK730:cs7PWdSycgoA78wMSrGf0/
- TLSH T1A286338E0DB1A48FE9494970E51B2A3AC7A30BBD0EF0965D43224775BDF1D5E824F389
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1784 servbrow.exe 7140 servbrow.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\servbrow.exe 2026-08-04_e9bac977fdb79f13b7e061b66e409756_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_e9bac977fdb79f13b7e061b66e409756_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 1784 servbrow.exe Token: SeChangeNotifyPrivilege 1784 servbrow.exe Token: SeIncreaseQuotaPrivilege 1784 servbrow.exe Token: SeAssignPrimaryTokenPrivilege 1784 servbrow.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 6056 2026-08-04_e9bac977fdb79f13b7e061b66e409756_elex_wannacry.exe 1784 servbrow.exe 7140 servbrow.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1784 wrote to memory of 7140 1784 servbrow.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_e9bac977fdb79f13b7e061b66e409756_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_e9bac977fdb79f13b7e061b66e409756_elex_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:6056
-
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:1784 -
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Popup2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:7140
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\servbrow.exe
- Size 7.6MB
- SHA256 6fb4aebc4d463a218bd59680ae23d02547b3fd28aba27ffe645bc867dcbd950e
- MD5 1972506b1c2f88ef30a63bcae75c1568
- SHA1 bd6c88b444147408731fbfd7ad1dcfecd07a057f
- SHA512 5b02600a68059d7f114bab08677392231d0a9a928b88314075ab836fa17626728530052cecf3970d89cd45e6fab8d4759b372d32e987cbdaade5ce74945c3461
- SSDEEP 196608:wi1dmaI6MzjTUbrooriZHLwWIcl2FVIo2Ghi3Cx6smv0:wI06MfTar5roHLARVIo2G886P
- TLSH T1A486339450D4197AC1E1F5712DE02DED9FA24570E81B4C96AF0BCF7A092FB9E2E29331
- MD5 SHA1 SHA512 SSDEEP TLSH