11c04bd89e483fa621474c0f5d65165e22be474966a784c47d5e93a299713617

General

Target
2026-08-30_28d3a2bacf74db40072d98ed588bc2dc_elex_wannacry.exe
Size 89KB
Sample260830-y12dfsyflc
SHA256 11c04bd89e483fa621474c0f5d65165e22be474966a784c47d5e93a299713617
MD5 28d3a2bacf74db40072d98ed588bc2dc
SHA1 86f6d1c872002219159cfc255309e826ed54d71b
SHA512 5f8e85f955eb16f5257c00651cf30ffb39eb191ddbe3c00a4b7b36618fe82c6cc8a860f428d83cf2ecaaf07c039ced972f77989d56e68fce0a573f7353c8aa51
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlW:eSABNx6vb4RoI4pyjHYLhal01UoPXWf
TLSH
T1E6939D07ABA598E9E1206C70161D773593EE986F3B2597A38384FE4DA133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2224	nbgws.exe

Executes dropped EXE 1 IoCs

pid	Process
2224	nbgws.exe

Loads dropped DLL 1 IoCs

pid	Process
4964	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
5440	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4212	4964	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	2026-08-30_28d3a2bacf74db40072d98ed588bc2dc_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	nbgws.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
5440	cmd.exe
2920	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2920	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2496	2026-08-30_28d3a2bacf74db40072d98ed588bc2dc_elex_wannacry.exe
2224	nbgws.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 5440	2496	2026-08-30_28d3a2bacf74db40072d98ed588bc2dc_elex_wannacry.exe	89
PID 5440 wrote to memory of 2920	5440	cmd.exe	91
PID 5440 wrote to memory of 2224	5440	cmd.exe	92
PID 2224 wrote to memory of 4964	2224	nbgws.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-30_28d3a2bacf74db40072d98ed588bc2dc_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-30_28d3a2bacf74db40072d98ed588bc2dc_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\nbgws.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-30_28d3a2bacf74db40072d98ed588bc2dc_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:5440
- - 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:2920
- - \??\c:\nbgws.exe
    c:\nbgws.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-30_28d3a2bacf74db40072d98ed588bc2dc_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2224
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\hnfdn\mhpfv.dll",DoVirusScan c:\nbgws.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4964
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 220
        5⤵
        Program crash
        
        PID:4212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4964 -ip 4964
1⤵
PID:5384

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

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

mhpfv.dll

Path \??\c:\hnfdn\mhpfv.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

nbgws.exe

Path \??\c:\nbgws.exe
Size 89KB
SHA256 7b5b905be84c37b8039bccd87377f7d06623a6ec505baa378a7825bd52163bb5
MD5 72b5b89850f7db1182b7ec21a8e6e408
SHA1 a0e036e49a89df59d2fe276742004bbf59368655
SHA512 7729df61e7930fafafc8675755249ff81ad169472ced102df69fbdcf174b4c7284a1279e32eac19b5e8f0e020a2e6f94186f195e5937ed1ad754a41648b8dea7
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzls:eSABNx6vb4RoI4pyjHYLhal01UoPXW1
TLSH
T11B939D07ABA598E5E0206C70161D773593EE986F3B2597A38384FE4DA533DC1EC3618E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2224-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2496-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2496-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4964-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads