63ffb265edfddee7f1c40255dd767bf9918c848c78d1dca71c91cd7145ba05d2

General

Target
2026-10-31_ad15fd2c9fa60cf6a15078028b0d5d3f_elex_wannacry.exe
Size 87KB
Sample261101-1eadysdd22
SHA256 63ffb265edfddee7f1c40255dd767bf9918c848c78d1dca71c91cd7145ba05d2
MD5 ad15fd2c9fa60cf6a15078028b0d5d3f
SHA1 e090759d53552ef8fb76d078f2962ec9ad03eca8
SHA512 a2428943fdc2a3122c213b69086dad6ae73f72c330657cad39d137156efa362ac139ad13d71a94a2937e65b5879b363b4709eda382a3ac801173decf86120529
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlc:eSABNx6vb4RoI4pyjHYLhal01UoPXQ
TLSH
T1F493AD0BABAA48D9E1206C71162E3774D3EF946E3B149B938348EE4D9533CC5EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3668	yznpv.exe

Executes dropped EXE 1 IoCs

pid	Process
3668	yznpv.exe

Loads dropped DLL 1 IoCs

pid	Process
988	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.

execution

Windows Command Shell

T1059.003

pid	Process
3004	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3896	988	WerFault.exe	88

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-31_ad15fd2c9fa60cf6a15078028b0d5d3f_elex_wannacry.exe
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	yznpv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3004	cmd.exe
2408	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2408	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4388	2026-10-31_ad15fd2c9fa60cf6a15078028b0d5d3f_elex_wannacry.exe
3668	yznpv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 3004	4388	2026-10-31_ad15fd2c9fa60cf6a15078028b0d5d3f_elex_wannacry.exe	84
PID 3004 wrote to memory of 2408	3004	cmd.exe	86
PID 3004 wrote to memory of 3668	3004	cmd.exe	87
PID 3668 wrote to memory of 988	3668	yznpv.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-31_ad15fd2c9fa60cf6a15078028b0d5d3f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-31_ad15fd2c9fa60cf6a15078028b0d5d3f_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\yznpv.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-31_ad15fd2c9fa60cf6a15078028b0d5d3f_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:3004
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2408
- - \??\c:\yznpv.exe
    c:\yznpv.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-31_ad15fd2c9fa60cf6a15078028b0d5d3f_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3668
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\mtpxjwn\vbviz.dll",DoVirusScan c:\yznpv.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:988
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 560
        5⤵
        Program crash
        
        PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 988 -ip 988
1⤵
PID:2152

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

yznpv.exe

Path C:\yznpv.exe
Size 87KB
SHA256 d874213f75ab8a184f19a143bfba20314283517552a7318b31dc009b82d1252b
MD5 a6586c6d13c3803fbe2a66c285cd9458
SHA1 82722abb0719b14c78849730207fc808a8ee0d95
SHA512 095b7c23e43eed6e6c056a85ddb71af64d89729e9572002225bc31cbc1fe81ca37a893f9754ea1a7b8ab6b29eca5710a1322ec7febf4c6a7aba61f9bed50fa73
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlQ:eSABNx6vb4RoI4pyjHYLhal01UoPXE
TLSH
T1B793AD07ABAA48D9E1206C71162E3774D3EF946E3B149B939348FE4DA533CC5EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

vbviz.dll

Path \??\c:\mtpxjwn\vbviz.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

Submit Download

memory/988-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/3668-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4388-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4388-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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