Analysis
- max time kernel
150s - platform
windows10-2004_x64 - resource
win10v2004-20251211-en - resource tags
arch:x64arch:x86image:win10v2004-20251211-enlocale:en-usos:windows10-2004-x64system - submitted
13/12/2025, 03:43
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2025-12-13_f153273488883f73b71b2b2939f1e83b_elex_tinba_wannacry.exe
Resource
win10v2004-20251211-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2025-12-13_f153273488883f73b71b2b2939f1e83b_elex_tinba_wannacry.exe
Resource
win11-20251015-en
0 signatures
150 seconds
General
- Target 2025-12-13_f153273488883f73b71b2b2939f1e83b_elex_tinba_wannacry.exe
- Size 168KB
- Sample251213-eaebfscn2v
- SHA256 b8d4286d4a1d39c194d7581c0c7ad5270e67d660ca89cce1fc2de1e0fcf9791b
- MD5 f153273488883f73b71b2b2939f1e83b
- SHA1 6644ceb70b817adf8f6f246971701909644da078
- SHA512 2812c8830ac122a12482f2467f9be4188e58b4b324d37642175dd19e360ac198606c9d8a107b50555e59d404567dfbe88de5c4d941f4dfcbbe511a45d3a5de29
- SSDEEP 3072:X+//K1KJAR6KtqDSB8NojBOryOIy4IwiyO+//K1KJR3l:oKkmVtqWB8NojgrvIy4RiypKkfl
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Tinba family
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1184516540-1743253792-1241926234-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E3158CE7 = "C:\\Users\\Admin\\AppData\\Roaming\\E3158CE7\\bin.exe" winver.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1564 4472 WerFault.exe 84 - System Location Discovery: System Language Discovery 1 TTPs 2 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 2025-12-13_f153273488883f73b71b2b2939f1e83b_elex_tinba_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4472 winver.exe 4472 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3272 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE Token: SeShutdownPrivilege 3272 Explorer.EXE Token: SeCreatePagefilePrivilege 3272 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4472 winver.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3272 Explorer.EXE - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4216 wrote to memory of 4472 4216 2025-12-13_f153273488883f73b71b2b2939f1e83b_elex_tinba_wannacry.exe 84 PID 4472 wrote to memory of 3272 4472 winver.exe 54 PID 3272 wrote to memory of 4396 3272 Explorer.EXE PID 3272 wrote to memory of 4396 3272 Explorer.EXE PID 4472 wrote to memory of 2556 4472 winver.exe 43
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2556
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Users\Admin\AppData\Local\Temp\2025-12-13_f153273488883f73b71b2b2939f1e83b_elex_tinba_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-12-13_f153273488883f73b71b2b2939f1e83b_elex_tinba_wannacry.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4472 -s 3524⤵
- Program crash
PID:1564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4472 -ip 44721⤵PID:2536