Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/10/2026, 14:02
Behavioral task
behavioral1
Sample
2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe
Resource
win10v2004-20260911-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe
Resource
win11ltsc2024-20260911-en
9 signatures
150 seconds
General
- Target 2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe
- Size 60KB
- Sample261022-rckbps1wcz
- SHA256 7e7bd88bb680be0fad485b3d5fabbb9e167dfde83de97a94e31aa859405e3052
- MD5 a9371c338c2b22f0908f2000f0c36aaf
- SHA1 fbce16ca70b0d8e3aef12244a2bf3b5f91425d6a
- SHA512 09730ab48ae212ada75936094fa2fec30846a3dd9bdeedd52464be2c61044320d808bbfc30b4590d9326fce61b31c392e1c09fb4e0d580badc71918a8fe9fb27
- SSDEEP 192:obOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwNY04/CFxyNhoy5t/:obLwOs8AHsc4sMfwhKQLrof4/CFsrd/
- TLSH T1E05307834BDE9CF2F791113108794BB9927B99D4950EBEDFAF90CD550077292E83A10B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Stormser aka Storm DDoS and StormAttack 8 IoCs
resource yara_rule behavioral1/memory/4424-0-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/memory/4424-1-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/memory/4424-7-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/memory/2336-6-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/files/0x000f000000024626-5.dat family_stormser behavioral1/memory/2336-8-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/memory/2336-11-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/files/0x0008000000024617-10.dat 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{0B7912FE-A0BD-40f3-98BE-56497A69ACF0}\stubpath = "C:\\Windows\\{0B7912FE-A0BD-40f3-98BE-56497A69ACF0}.exe" {FA6C9748-E684-453b-A225-823D5A5D91D8}.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{FA6C9748-E684-453b-A225-823D5A5D91D8} 2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{FA6C9748-E684-453b-A225-823D5A5D91D8}\stubpath = "C:\\Windows\\{FA6C9748-E684-453b-A225-823D5A5D91D8}.exe" 2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{0B7912FE-A0BD-40f3-98BE-56497A69ACF0} {FA6C9748-E684-453b-A225-823D5A5D91D8}.exe - Executes dropped EXE 2 IoCs
pid Process 2336 {FA6C9748-E684-453b-A225-823D5A5D91D8}.exe 4464 {0B7912FE-A0BD-40f3-98BE-56497A69ACF0}.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\{FA6C9748-E684-453b-A225-823D5A5D91D8}.exe 2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe File created C:\Windows\{0B7912FE-A0BD-40f3-98BE-56497A69ACF0}.exe {FA6C9748-E684-453b-A225-823D5A5D91D8}.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 3756 cmd.exe 4492 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 2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {FA6C9748-E684-453b-A225-823D5A5D91D8}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {0B7912FE-A0BD-40f3-98BE-56497A69ACF0}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4424 2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe Token: SeIncBasePriorityPrivilege 2336 {FA6C9748-E684-453b-A225-823D5A5D91D8}.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4424 wrote to memory of 2336 4424 2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe 93 PID 4424 wrote to memory of 3756 4424 2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe 94 PID 2336 wrote to memory of 4464 2336 {FA6C9748-E684-453b-A225-823D5A5D91D8}.exe 95 PID 2336 wrote to memory of 4492 2336 {FA6C9748-E684-453b-A225-823D5A5D91D8}.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-21_a9371c338c2b22f0908f2000f0c36aaf_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:4424 -
C:\Windows\{FA6C9748-E684-453b-A225-823D5A5D91D8}.exeC:\Windows\{FA6C9748-E684-453b-A225-823D5A5D91D8}.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:2336 -
C:\Windows\{0B7912FE-A0BD-40f3-98BE-56497A69ACF0}.exeC:\Windows\{0B7912FE-A0BD-40f3-98BE-56497A69ACF0}.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4464
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{FA6C9~1.EXE > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4492
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3756
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\{0B7912FE-A0BD-40f3-98BE-56497A69ACF0}.exe
- Size 60KB
- SHA256 2f8deb2d3855401dd04aaf37f24e10aae0dc3e939942fbd66cd04d461ec94810
- MD5 33f3f24dfbbd876fe322128650e9b830
- SHA1 18fe3850e0b1d9abaa94ac4025972e0bf656d0d6
- SHA512 e87e891bb980bc63f76f509ba88fb998a3b8e94ffe7e4a46c2d6ec5383a3bd9850a440b3841e1e9518e07cf4b986c3e8bc8ced1087d1e038b287e96baf4ddfef
- SSDEEP 192:obOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqw/Y04/CFxyNhoy5t/:obLwOs8AHsc4sMfwhKQLrox4/CFsrd/
- TLSH T19C5308834BDE9CF2FB91113108794BB9927B99D4910EBEDFAF90CD550077292E83A10B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\{FA6C9748-E684-453b-A225-823D5A5D91D8}.exe
- Size 60KB
- SHA256 1d0618e2fa84fbcd1ee6c19ac9c10fac64883e22845a8e3aeb0384cb3ff18c42
- MD5 24604e4f5b0e68fb9477c6c713bca7f1
- SHA1 3df0be250b56d8a036efae2c852eeb633565a6de
- SHA512 73056e3bb6168127b87d36f7bf57ae2a2bfa9b6a8323c6f3a626b80ef1a864b6e8db1c08801f4d818a957709527427bccd9287a8227f4a03f72357583ddbd703
- SSDEEP 192:obOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwJY04/CFxyNhoy5t/:obLwOs8AHsc4sMfwhKQLro74/CFsrd/
- TLSH T1675307834BDA9CF2F791113108798BB9927B99D4910EBEDFAB90CD150037292E83A10B
- MD5 SHA1 SHA512 SSDEEP TLSH