ff6fdc70c9d840b301991d63acdad02ca5e6c6d38c52aba8de442582796f9737

General

Target
2026-08-23_9740ed3080e0fadfd6d495bb79486480_elex_wannacry.exe
Size 89KB
Sample260824-e623dscp5y
SHA256 ff6fdc70c9d840b301991d63acdad02ca5e6c6d38c52aba8de442582796f9737
MD5 9740ed3080e0fadfd6d495bb79486480
SHA1 a97c32796fbb856a1089c4433384289c4219127c
SHA512 dfc69f36afda14c92b030f248f521a0a775ecfc94a7b0b15c605a31f90666c26d3bb32b6074d2a6138a8976f3b322d084808d5e8b94da422d44391ec32105ad7
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl5:eSABNx6vb4RoI4pyjHYLhal01UoPXd
TLSH
T1D1939D47ABA958E8E1206C70151D373597EF98AB3B2597A38384FE4DA133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2376	dzfxz.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	dzfxz.exe

Loads dropped DLL 1 IoCs

pid	Process
3752	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
3556	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3188	3752	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-23_9740ed3080e0fadfd6d495bb79486480_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	dzfxz.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
3556	cmd.exe
3144	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3144	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4364	2026-08-23_9740ed3080e0fadfd6d495bb79486480_elex_wannacry.exe
2376	dzfxz.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 3556	4364	2026-08-23_9740ed3080e0fadfd6d495bb79486480_elex_wannacry.exe	85
PID 3556 wrote to memory of 3144	3556	cmd.exe	87
PID 3556 wrote to memory of 2376	3556	cmd.exe	88
PID 2376 wrote to memory of 3752	2376	dzfxz.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-23_9740ed3080e0fadfd6d495bb79486480_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_9740ed3080e0fadfd6d495bb79486480_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\dzfxz.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-23_9740ed3080e0fadfd6d495bb79486480_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:3556
- - 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:3144
- - \??\c:\dzfxz.exe
    c:\dzfxz.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-23_9740ed3080e0fadfd6d495bb79486480_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2376
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\rmdiahqnh\cpasfmjqz.dll",DoVirusScan c:\dzfxz.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3752
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 560
        5⤵
        Program crash
        
        PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3752 -ip 3752
1⤵
PID:3816

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

dzfxz.exe

Path C:\dzfxz.exe
Size 89KB
SHA256 bde5416503a2dfb4dc11498b0d40b7a626d355bf0909fa2f3aea1322037e9e8d
MD5 1eac9a16fa788a67d4feab551528d766
SHA1 10af6b9e3badae0ebbc2c996010cbaecbb9f9f23
SHA512 c12764ca0a96d16f8ec94e85a1b73df93bfda57c433a1a508c8b7129df33c9ef2ad157f8ce9960377a619428e39778dff8546828d827d7329d0c095157fc046f
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlp:eSABNx6vb4RoI4pyjHYLhal01UoPX9
TLSH
T1F9938D47ABA558E8E1206C70151D373597EF98AB3B2597A38384FE4EA133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

cpasfmjqz.dll

Path \??\c:\rmdiahqnh\cpasfmjqz.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/2376-7-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3752-10-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4364-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4364-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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