Analysis
- max time kernel
149s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 10:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-09-30_73e5a6911f45c85b7e7dbf62902b000d_elex_wannacry.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-30_73e5a6911f45c85b7e7dbf62902b000d_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target 2026-09-30_73e5a6911f45c85b7e7dbf62902b000d_elex_wannacry.exe
- Size 7.6MB
- Sample260930-mglccaxsew
- SHA256 e2274d077b21a9475d4461c381a7c4c1887bdb8ce9bd1c3d2cc569ac7fff9ab8
- MD5 73e5a6911f45c85b7e7dbf62902b000d
- SHA1 ffd275df0d86b394952cdd1d419445674bea2f1c
- SHA512 dce438159f69b3e2ed592e1577b02d3aa4dc7362384696bf1cbc370fadf58dd5ef9f2ab98410f348021e1f6b142b09a0252d599b401c89df4feac54ec4c020ca
- SSDEEP 196608:hA0AcFn1YxOv5wANkZGFrxGOybiHmUBbSd/maDOOOso:acLZ+OrIOybiHmUBmd/mqObp
- TLSH T154863304B8EA48B9EDA812751B64BF5C28A7FD3104984C3747EFFD4487323489B7B666
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4924 servbrow.exe 2856 servbrow.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\servbrow.exe 2026-09-30_73e5a6911f45c85b7e7dbf62902b000d_elex_wannacry.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname servbrow.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain servbrow.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 2026-09-30_73e5a6911f45c85b7e7dbf62902b000d_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 4924 servbrow.exe Token: SeChangeNotifyPrivilege 4924 servbrow.exe Token: SeIncreaseQuotaPrivilege 4924 servbrow.exe Token: SeAssignPrimaryTokenPrivilege 4924 servbrow.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 248 2026-09-30_73e5a6911f45c85b7e7dbf62902b000d_elex_wannacry.exe 4924 servbrow.exe 2856 servbrow.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4924 wrote to memory of 2856 4924 servbrow.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-30_73e5a6911f45c85b7e7dbf62902b000d_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_73e5a6911f45c85b7e7dbf62902b000d_elex_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:248
-
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:4924 -
C:\Windows\servbrow.exe"C:\Windows\servbrow.exe" /Popup2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2856
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\servbrow.exe
- Size 7.6MB
- SHA256 52e07e0bc1ead553710de007a8dfb9febfecb32ddc0b40648053ab04e8ce132d
- MD5 dca032005a9931fe32c5f869885f2501
- SHA1 25d115dc9633fab27cd001ad2f9b2792700b42a3
- SHA512 c94b6bbe42737d7fb06038acfa73ee5a766a2c558c4c5b3c455fc54b0c512ebacf78be3f7916267ba516e84e35f75f67cb9dfff69ccee697f7f1fc9e47d993d1
- SSDEEP 196608:NBl0GhBuV5aqFL4rooriZHLwWIcl2FVIo2Ghi3Cx6smv0:nOGhBuV5a64r5roHLARVIo2G886P
- TLSH T148863358949028AFC2D090323DE47DFDE5D06925B52A8EB35F4DCE7A8D2B55B0EBC270
- MD5 SHA1 SHA512 SSDEEP TLSH