Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 04:03
Behavioral task
behavioral1
Sample
2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
9 signatures
150 seconds
General
- Target 2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe
- Size 90KB
- Sample260809-emmtcszdmd
- SHA256 4f06f9a3106888129c88380a55e75730cbaa1712a09828857c4f84567cf7da72
- MD5 bf323cb6fbb523c105fd15923bb4b081
- SHA1 d08ba755baeb27728391333375a385efdc4f23a6
- SHA512 7b5b096f63dded4995a089f7dd1e90b6719ab52396438fb88d7078003ec90f514578e72b52a04cc9b6462731978e0378340c80d62c04c75a8d861e71e2dcc807
- SSDEEP 768:5vw9816uhKiroZ4/wQNNrfrunMxVFA3bg:lEGkmoZlCunMxVS3c
- TLSH T1E793A53E8DC720B6E273D57685F925FAFF57A54235098D0E05C2C3424E62BA3AD86D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Stormser aka Storm DDoS and StormAttack 7 IoCs
resource yara_rule behavioral1/memory/4800-0-0x0000000000400000-0x0000000000411000-memory.dmp family_stormser behavioral1/memory/4800-1-0x0000000000400000-0x0000000000411000-memory.dmp family_stormser behavioral1/files/0x000300000001e0b3-4.dat family_stormser behavioral1/memory/4800-6-0x0000000000400000-0x0000000000411000-memory.dmp family_stormser behavioral1/files/0x000400000001e6ba-10.dat family_stormser behavioral1/memory/4024-12-0x0000000000400000-0x0000000000411000-memory.dmp family_stormser behavioral1/memory/216-9-0x0000000000400000-0x0000000000411000-memory.dmp family_stormser - Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{514B4082-2D7F-4cd0-8825-F6E235702AFF} 2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{514B4082-2D7F-4cd0-8825-F6E235702AFF}\stubpath = "C:\\Windows\\{514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe" 2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2258F359-72C9-4647-88DE-BA399FF2FB24} {514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2258F359-72C9-4647-88DE-BA399FF2FB24}\stubpath = "C:\\Windows\\{2258F359-72C9-4647-88DE-BA399FF2FB24}.exe" {514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe - Executes dropped EXE 2 IoCs
pid Process 216 {514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe 4024 {2258F359-72C9-4647-88DE-BA399FF2FB24}.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\{514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe 2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe File created C:\Windows\{2258F359-72C9-4647-88DE-BA399FF2FB24}.exe {514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe - Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5044 cmd.exe 4384 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 5 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {2258F359-72C9-4647-88DE-BA399FF2FB24}.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4800 2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe Token: SeIncBasePriorityPrivilege 216 {514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4800 wrote to memory of 216 4800 2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe 91 PID 4800 wrote to memory of 5044 4800 2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe 92 PID 216 wrote to memory of 4024 216 {514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe 100 PID 216 wrote to memory of 4384 216 {514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_bf323cb6fbb523c105fd15923bb4b081_elex_wannacry.exe"1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Windows\{514B4082-2D7F-4cd0-8825-F6E235702AFF}.exeC:\Windows\{514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Windows\{2258F359-72C9-4647-88DE-BA399FF2FB24}.exeC:\Windows\{2258F359-72C9-4647-88DE-BA399FF2FB24}.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4024
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{514B4~1.EXE > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4384
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:5044
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\{2258F359-72C9-4647-88DE-BA399FF2FB24}.exe
- Size 90KB
- SHA256 1430e22a8f133adb55619d0c5395a55dd08ae3926ddfdba2bcbd4512b90c4273
- MD5 4b83bca27110cbb348291ba412db48ce
- SHA1 fd85a025cc0fc9d1d9c2da964794f4ff1d0e4b7d
- SHA512 e2a11efcce6d89608eb6360b5ebb6bafa4755a5c91d469257da6b4f618b227f0ff5d1f9e5c61cc0cfb304f1f797dcc35e0db2e14b87bd6cd63dd0a88cfbde480
- SSDEEP 768:5vw9816uhKiroN4/wQNNrfrunMxVFA3bg:lEGkmoNlCunMxVS3c
- TLSH T1FB93A53E8DC720B6E273D57685F925FAFF57A54235098D0E05C2C3024E62BA3AD86D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\{514B4082-2D7F-4cd0-8825-F6E235702AFF}.exe
- Size 90KB
- SHA256 5d310debff5f3d14704ac4f81ea059e6b09e7dc879c00c095b3449921b0767b8
- MD5 99e1edec99c27228e42440842b41ea0d
- SHA1 7d958fa832e5b47fa980cab947e2c438d4febff0
- SHA512 78597e582dba7cbda617bad811141adde070fcbadae37945c1ea8aafdfe4e5d58abb87a4dc2765a09ec619e0f3edbb04bb392b348a324f6f72da5eb28ac9aef9
- SSDEEP 768:5vw9816uhKiroS4/wQNNrfrunMxVFA3bg:lEGkmoSlCunMxVS3c
- TLSH T11593A53E8DC720B6E273D57685F925FAFF57A54235098D0E05C2C3424E62BA3AD86D0E
- MD5 SHA1 SHA512 SSDEEP TLSH