Analysis
- max time kernel
148s - max time network
122s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/07/2026, 18:57
Behavioral task
behavioral1
Sample
2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe
Resource
win11ltsc2024-20260629-en
12 signatures
150 seconds
General
- Target 2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe
- Size 72KB
- Sample260703-xmc82aex2w
- SHA256 28e915be608e077b2a4b30a7751d68b9b866598c11e429946e19d42983f54794
- MD5 a9c630ca34758684e3e57926e2692ec4
- SHA1 4f8c8789d7536b329e01d71eaaa437d61094c097
- SHA512 089a8bd18b4e65bb84478c392be34a3a5e40a10471f0f9f9a9e13cd35f469e82704edda058c47017312f5455a5a627dc90dfc0923d5372fb8d4fe39334876070
- SSDEEP 768:evU9816vhKQLro47VWhxf3nbcuyD7UuXCRINrfrunMxVFA3b7glwRjMlfwGxEI5e:q4Gh0o450p3nouy8QbunMxVS3HgdoKe
- TLSH T1037334396FEA0036E1B3D6749AF156DAFE36F95339054D4E059203064C23F12ED9AE2E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Stormser aka Storm DDoS and StormAttack 10 IoCs
resource yara_rule behavioral2/memory/4268-0-0x0000000000400000-0x0000000000413000-memory.dmp family_stormser behavioral2/memory/4268-1-0x0000000000400000-0x0000000000413000-memory.dmp family_stormser behavioral2/memory/4268-7-0x0000000000400000-0x0000000000413000-memory.dmp family_stormser behavioral2/memory/5064-6-0x0000000000400000-0x0000000000413000-memory.dmp family_stormser behavioral2/files/0x000e00000001c4e3-5.dat family_stormser behavioral2/memory/5064-9-0x0000000000400000-0x0000000000413000-memory.dmp family_stormser behavioral2/files/0x000e00000001c4e4-11.dat family_stormser behavioral2/memory/5796-15-0x0000000000400000-0x0000000000413000-memory.dmp family_stormser behavioral2/memory/5064-13-0x0000000000400000-0x0000000000413000-memory.dmp family_stormser behavioral2/memory/5796-17-0x0000000000400000-0x0000000000413000-memory.dmp family_stormser - UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/4268-0-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/memory/4268-1-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/memory/4268-7-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/memory/5064-6-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/files/0x000e00000001c4e3-5.dat UPX behavioral2/memory/5064-9-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/files/0x000e00000001c4e4-11.dat UPX behavioral2/memory/5796-15-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/memory/5064-13-0x0000000000400000-0x0000000000413000-memory.dmp UPX behavioral2/memory/5796-17-0x0000000000400000-0x0000000000413000-memory.dmp UPX - 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\{B6509286-846A-41de-A937-865F7AA4E8E4}\stubpath = "C:\\Windows\\{B6509286-846A-41de-A937-865F7AA4E8E4}.exe" 2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5} {B6509286-846A-41de-A937-865F7AA4E8E4}.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}\stubpath = "C:\\Windows\\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe" {B6509286-846A-41de-A937-865F7AA4E8E4}.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B6509286-846A-41de-A937-865F7AA4E8E4} 2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe - Executes dropped EXE 3 IoCs
pid Process 5064 {B6509286-846A-41de-A937-865F7AA4E8E4}.exe 5796 {D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe 4412 {D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe -
resource yara_rule behavioral2/memory/4268-0-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/memory/4268-1-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/memory/4268-7-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/memory/5064-6-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/files/0x000e00000001c4e3-5.dat upx behavioral2/memory/5064-9-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/files/0x000e00000001c4e4-11.dat upx behavioral2/memory/5796-15-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/memory/5064-13-0x0000000000400000-0x0000000000413000-memory.dmp upx behavioral2/memory/5796-17-0x0000000000400000-0x0000000000413000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe {B6509286-846A-41de-A937-865F7AA4E8E4}.exe File created C:\Windows\{B6509286-846A-41de-A937-865F7AA4E8E4}.exe 2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe - System Location Discovery: System Language Discovery 1 TTPs 6 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 {D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {B6509286-846A-41de-A937-865F7AA4E8E4}.exe - Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1991999443-3181470666-3272020885-1000\{09CE734E-1BDC-400B-BDCB-8A0BB74D5745} explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ explorer.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4268 2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe Token: SeIncBasePriorityPrivilege 5064 {B6509286-846A-41de-A937-865F7AA4E8E4}.exe Token: SeShutdownPrivilege 1416 explorer.exe Token: SeCreatePagefilePrivilege 1416 explorer.exe Token: SeShutdownPrivilege 1416 explorer.exe Token: SeCreatePagefilePrivilege 1416 explorer.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3128 sihost.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4268 wrote to memory of 5064 4268 2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe 88 PID 4268 wrote to memory of 1736 4268 2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe 89 PID 5064 wrote to memory of 5796 5064 {B6509286-846A-41de-A937-865F7AA4E8E4}.exe 90 PID 5064 wrote to memory of 476 5064 {B6509286-846A-41de-A937-865F7AA4E8E4}.exe 91 PID 3128 wrote to memory of 1416 3128 sihost.exe 97 PID 1416 wrote to memory of 4412 1416 explorer.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-03_a9c630ca34758684e3e57926e2692ec4_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-03_a9c630ca34758684e3e57926e2692ec4_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:4268 -
C:\Windows\{B6509286-846A-41de-A937-865F7AA4E8E4}.exeC:\Windows\{B6509286-846A-41de-A937-865F7AA4E8E4}.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:5064 -
C:\Windows\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exeC:\Windows\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5796
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{B6509~1.EXE > nul3⤵
- System Location Discovery: System Language Discovery
PID:476
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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⤵
- System Location Discovery: System Language Discovery
PID:1736
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C:\Windows\system32\sihost.exesihost.exe1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416 -
C:\Windows\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe"C:\Windows\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4412
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\{B6509286-846A-41de-A937-865F7AA4E8E4}.exe
- Size 72KB
- SHA256 247243bd9db7a2ad975fcea604deee33ac906b806f6640178ed1e4449c0d3fe8
- MD5 b58a4c4c93b76c6ca4a6b5e5c60ceedf
- SHA1 1cc57bad806a68b0e3efb09e9e586a6dc88e6b10
- SHA512 3fb049dc229ec61dd3e540b7253089af90aaac3e47782f3d003baa42ef0f3601fa811e40930cb8542bb3b3cadd75188a7dcf7cdc0b5e6debc2fbb521e66078b6
- SSDEEP 768:evU9816vhKQLro4DVWhxf3nbcuyD7UuXCRINrfrunMxVFA3b7glwRjMlfwGxEI5e:q4Gh0o4B0p3nouy8QbunMxVS3HgdoKe
- TLSH T1707334396FEA0036E1B3D6749AF156DAFE36F95339058D4E059203064C23F12ED96E2E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\{D56FAD8E-C5E1-41b0-BC36-CB72753B73B5}.exe
- Size 72KB
- SHA256 7883e517e15048cb66375631ba8113df6aa9c38169a6e589961478f37efe0c84
- MD5 bfe865a0c5cd712717746c495c2c4aa9
- SHA1 3bc5bcd3b2ea13b0c1dc713761cf33f444f1ff3b
- SHA512 c8ce4def9b15f7841d24c1dd02b6baee76c79a8e98e9caa808b0fce7a500a70ed2c93c76e3a6d5d081d0d70d7e9d2eddfb458d11f05a5ea8dfec58b2307c6032
- SSDEEP 768:evU9816vhKQLro4QVWhxf3nbcuyD7UuXCRINrfrunMxVFA3b7glwRjMlfwGxEI5e:q4Gh0o4O0p3nouy8QbunMxVS3HgdoKe
- TLSH T17D7334396FEA0036E1B3D6749AF156DAFE36F95339054D4E059203064C23F12ED96E2E
- MD5 SHA1 SHA512 SSDEEP TLSH