Analysis
- max time kernel
150s - max time network
139s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 08:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe
- Size 89KB
- Sample260729-j2hkeayfpc
- SHA256 d255eb7de692c627803f178751ed574a0ba9c0c9477426345d07729a47ad1e42
- MD5 c4414fa1f0611e3b9cf6cc7d3a011f10
- SHA1 0839d1b66ef39574e9cbd31c62eaed51047230a0
- SHA512 0103d752e3f29ab0a6984075af32dd384fc9ad88cc5205111d559338ef879968d2c2df417af4fbdb2418271dcdca48b763bc050fe39478678718ed04c28298c5
- SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl7:eSABNx6vb4RoI4pyjHYLhal01UoPX
- TLSH T1D3938C17ABA958E9E1206C70162D373493AF946F3B1497A38344FE4D9533DC5EC3618A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 5240 eosmrwrzx.exe - Executes dropped EXE 1 IoCs
pid Process 5240 eosmrwrzx.exe - Loads dropped DLL 1 IoCs
pid Process 2376 rundll32.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3000 cmd.exe - Program crash 1 IoCs
pid pid_target Process procid_target 124 2376 WerFault.exe 93 - 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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eosmrwrzx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3000 cmd.exe 3984 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3984 PING.EXE - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4932 2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe 5240 eosmrwrzx.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4932 wrote to memory of 3000 4932 2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe 89 PID 3000 wrote to memory of 3984 3000 cmd.exe 91 PID 3000 wrote to memory of 5240 3000 cmd.exe 92 PID 5240 wrote to memory of 2376 5240 eosmrwrzx.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\eosmrwrzx.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3984
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\??\c:\eosmrwrzx.exec:\eosmrwrzx.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-29_c4414fa1f0611e3b9cf6cc7d3a011f10_elex_wannacry.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5240 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\pytip\wbgrmjtln.dll",DoVirusScan c:\eosmrwrzx.exe4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2376 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 4765⤵
- Program crash
PID:124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2376 -ip 23761⤵PID:936
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path \??\c:\eosmrwrzx.exe
- Size 89KB
- SHA256 b82f4876b89948ebece450dd96c4322c78e38896f3485f65319fb85403335941
- MD5 8312db507bb6f16d8866c0d6aa211be6
- SHA1 d8e7da7ea4a0a5af4db071eb5025053816d1ef4d
- SHA512 2446dbb07afae06405fd096c057d6fbd7ee1245cae5772d4d55eb0242da9431d5c709609568a43fe180113cbec87301d21f14d6726da13a7ab09eef00fd09c01
- SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzle:eSABNx6vb4RoI4pyjHYLhal01UoPXq
- TLSH T1B0938C17ABA958D9E1206C70161D373493AF986F3B1497A38384EE4DE533DC5EC3618A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\pytip\wbgrmjtln.dll
- Size 50KB
- SHA256 7604a0d3e695ff2f47b2961a860aa77e41952df48c132c18ac8d84e6ed3ee8eb
- MD5 18cc91cc0c4c41e39a2c5310e760f0ef
- SHA1 aaacc94db8d8a37e5d34878aa259d3274a5ff2a7
- SHA512 8abba5220a7216288d0d2c683a5d01b796b1179464a2432eda991004348223c822c54ab39fd19302ff01974ec8d026e98280e9f1bdb67178126d75a974ecc7e7
- SSDEEP 768:Z+arYIR3u5v4bGwCl56LNQQe5JBtGf1oTYtx/qQvo9:ZPrG57TzDxJS6Etx/ZvO
- TLSH T1AB33E178E1F4B8F6E46EAB345D82146DB1C16BD34D3080BA079224AF6C37E578B52731
- MD5 SHA1 SHA512 SSDEEP TLSH