6696db6a09ab204ff05be8203fd304a5deea4c531e71ffa038e97fffa725c51c

General

Target
2026-07-28_d91e5a4f02e9df2b2b7191d5b21ef54e_elex_wannacry.exe
Size 87KB
Sample260728-wsw3natvbw
SHA256 6696db6a09ab204ff05be8203fd304a5deea4c531e71ffa038e97fffa725c51c
MD5 d91e5a4f02e9df2b2b7191d5b21ef54e
SHA1 59d8260c3e89dbc38f985b39bc5e9a2dbc9ac463
SHA512 63f138648618e1920dfe13fde1840b4e140278c931e34a04be2fdd2c7306c1b97e2aa7ba2eb0d6499d24426b8c7ef9762f48d886f1dadc1d39813fca1f1bdd9e
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlD:eSABNx6vb4RoI4pyjHYLhal01UoPXH
TLSH
T16B939D07ABA958D9E1206C70162D377593EF986F3B2497A38348FE4D9533DC1EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2920	tnsghyrz.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	tnsghyrz.exe

Loads dropped DLL 1 IoCs

pid	Process
4408	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
4212	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	4408	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	2026-07-28_d91e5a4f02e9df2b2b7191d5b21ef54e_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	tnsghyrz.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
4212	cmd.exe
4644	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4644	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4712	2026-07-28_d91e5a4f02e9df2b2b7191d5b21ef54e_elex_wannacry.exe
2920	tnsghyrz.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4212	4712	2026-07-28_d91e5a4f02e9df2b2b7191d5b21ef54e_elex_wannacry.exe	89
PID 4212 wrote to memory of 4644	4212	cmd.exe	91
PID 4212 wrote to memory of 2920	4212	cmd.exe	92
PID 2920 wrote to memory of 4408	2920	tnsghyrz.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-28_d91e5a4f02e9df2b2b7191d5b21ef54e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_d91e5a4f02e9df2b2b7191d5b21ef54e_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\tnsghyrz.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-28_d91e5a4f02e9df2b2b7191d5b21ef54e_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:4212
- - 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:4644
- - \??\c:\tnsghyrz.exe
    c:\tnsghyrz.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-28_d91e5a4f02e9df2b2b7191d5b21ef54e_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2920
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\einugoh\zkgzd.dll",DoVirusScan c:\tnsghyrz.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4408
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 476
        5⤵
        Program crash
        
        PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4408 -ip 4408
1⤵
PID:5084

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

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Downloads

zkgzd.dll

Path \??\c:\einugoh\zkgzd.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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tnsghyrz.exe

Path \??\c:\tnsghyrz.exe
Size 87KB
SHA256 ebb4adc33b853dbfee7c43e882f3c3e2a64f9fa1379700c1a7f389826cffb3de
MD5 e0e8fadc8e4d84a988dc2a78f3867ef6
SHA1 98982e522a34bd5501d09ece5fa1b5802c5a29b4
SHA512 2e045736959cc2cfa609a4302148bfb7d62afd3e0dfafecb6b87a0f85f937ab8a6badecd3e212f182f2ff2f165ee9a21c86c47dfe2f4a819f5dd45337c7fea80
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlC:eSABNx6vb4RoI4pyjHYLhal01UoPXu
TLSH
T103939D07ABA948D9E1206C70161D373593EF986F3B1497A38348FE4E9533DC1EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2920-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4408-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4712-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4712-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads