0780325eb2516488f3b28d8f283b7e8b43f971566b2e53a1671c9a7878afe191

General

Target
2026-10-21_92351398a6f65ee192aa8fbb13777a7e_elex_wannacry.exe
Size 89KB
Sample261022-vraycsswct
SHA256 0780325eb2516488f3b28d8f283b7e8b43f971566b2e53a1671c9a7878afe191
MD5 92351398a6f65ee192aa8fbb13777a7e
SHA1 d2ab5dbb9a58479b876ece8f1a81e5d89ba1cc63
SHA512 37003347b520ae5caded627b006b5491b3d825be0168dbe4e5dd5d4f779c47e147ba644fc5e431787462dbbc06e12e02325c7e0dda3846e6f336561e2c309ad4
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlb:eSABNx6vb4RoI4pyjHYLhal01UoPXn
TLSH
T1C0938D47ABA598E5E0206C70161D773483EED86F3B1497A38384FE4EE533D95EC3618A
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
1516	xwcxz.exe

Executes dropped EXE 1 IoCs

pid	Process
1516	xwcxz.exe

Loads dropped DLL 1 IoCs

pid	Process
4688	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
4500	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
860	4688	WerFault.exe	89

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	xwcxz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-21_92351398a6f65ee192aa8fbb13777a7e_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

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
4500	cmd.exe
4012	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4012	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3668	2026-10-21_92351398a6f65ee192aa8fbb13777a7e_elex_wannacry.exe
1516	xwcxz.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 4500	3668	2026-10-21_92351398a6f65ee192aa8fbb13777a7e_elex_wannacry.exe	85
PID 4500 wrote to memory of 4012	4500	cmd.exe	87
PID 4500 wrote to memory of 1516	4500	cmd.exe	88
PID 1516 wrote to memory of 4688	1516	xwcxz.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-21_92351398a6f65ee192aa8fbb13777a7e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-21_92351398a6f65ee192aa8fbb13777a7e_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\xwcxz.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-21_92351398a6f65ee192aa8fbb13777a7e_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:4500
- - 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:4012
- - \??\c:\xwcxz.exe
    c:\xwcxz.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-21_92351398a6f65ee192aa8fbb13777a7e_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1516
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\iyjjesvmo\lraesul.dll",DoVirusScan c:\xwcxz.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4688
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 560
        5⤵
        Program crash
        
        PID:860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4688 -ip 4688
1⤵
PID:2228

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

xwcxz.exe

Path C:\xwcxz.exe
Size 89KB
SHA256 e12e217acaa1c8d5677e32a7bed55dd10b597950e0b275926421ee85242668a3
MD5 87e2ca4d7bd13b44dcefe5202e31d1d2
SHA1 4cef5131cfb0a8d8717f673e90c9bfb4d2bc9469
SHA512 db751587cef982915bd4d4377fff0a374ae7477feeeb5db1a75bb8acca0f2a3a46c391209a2ddea75f5fa4d71c9d0743b565f7eae70fb5712af507cdc6c4b309
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlo:eSABNx6vb4RoI4pyjHYLhal01UoPXU
TLSH
T1DB938D47ABA598E5E0206C70161D773483EED86F3B1497A38384FE4EE133D95EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

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lraesul.dll

Path \??\c:\iyjjesvmo\lraesul.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

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memory/1516-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

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

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memory/3668-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4688-10-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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