e1c2f141ba8d44f2820b6074793489cf93689a7c068ff50d738f7f0e7319cb51

General

Target
2026-10-28_2e19099faccdc193cc9c15d01e86ce5c_elex_wannacry.exe
Size 90KB
Sample261030-jerjssav6s
SHA256 e1c2f141ba8d44f2820b6074793489cf93689a7c068ff50d738f7f0e7319cb51
MD5 2e19099faccdc193cc9c15d01e86ce5c
SHA1 002b8dd09c43f4d96d3aef93ffa16705634ada44
SHA512 6479f1a456569f73094e28c00ff333100f107baf5139b91383bc3e2b634e69e65ad88b0c4459bf2ffede658c02ed2c1a9a6ac46971074dabfba3b035548c0bf7
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlZ:eSABNx6vb4RoI4pyjHYLhal01UoPXd
TLSH
T185938D47ABA598E5E0206C70161D673483EED86F3B1597A34384FE4EE133D95EC3A18E
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
1708	nhelt.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	nhelt.exe

Loads dropped DLL 1 IoCs

pid	Process
3052	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
6024	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4968	3052	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nhelt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-28_2e19099faccdc193cc9c15d01e86ce5c_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
6024	cmd.exe
3952	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3952	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3568	2026-10-28_2e19099faccdc193cc9c15d01e86ce5c_elex_wannacry.exe
1708	nhelt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 6024	3568	2026-10-28_2e19099faccdc193cc9c15d01e86ce5c_elex_wannacry.exe	89
PID 6024 wrote to memory of 3952	6024	cmd.exe	91
PID 6024 wrote to memory of 1708	6024	cmd.exe	92
PID 1708 wrote to memory of 3052	1708	nhelt.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-28_2e19099faccdc193cc9c15d01e86ce5c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_2e19099faccdc193cc9c15d01e86ce5c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\nhelt.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-28_2e19099faccdc193cc9c15d01e86ce5c_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:6024
- - 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:3952
- - \??\c:\nhelt.exe
    c:\nhelt.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-28_2e19099faccdc193cc9c15d01e86ce5c_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1708
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\aiosf\oxtjvdvvx.dll",DoVirusScan c:\nhelt.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3052
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 476
        5⤵
        Program crash
        
        PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3052 -ip 3052
1⤵
PID:5864

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

Replay Monitor

Loading Replay Monitor...

Downloads

oxtjvdvvx.dll

Path \??\c:\aiosf\oxtjvdvvx.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

nhelt.exe

Path \??\c:\nhelt.exe
Size 90KB
SHA256 8c7d81d70d558435188dbcaa1bf22517f622e5548adb77a2640410d88cb6c9d7
MD5 5140ce1ab88bfc3c3b39e0cd8c93b2f2
SHA1 ca24b2b615cf0a239a2133920a56c50b21299d0e
SHA512 c1d7c7607b4093dd9ac93299da558f6f67b56a1bb063596a08bc4b9ab873268a1ee2948ca67742bd91b0605209c01e9867bf38041ae51ec36cadf33e05c935fc
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlr:eSABNx6vb4RoI4pyjHYLhal01UoPXn
TLSH
T129938D47ABA598E5E0206C70161D673487EED86F3B1497A34384FE4EE133D95EC3A18A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1708-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3052-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/3568-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3568-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads