e5e1856358bd015fb086de772dad5304793952c80989be5207ea6c447f638032

General

Target
2026-08-07_2b8c59d0b4b2e116e7422ecbd18d118a_elex_wannacry.exe
Size 86KB
Sample260807-cb5tpavhpd
SHA256 e5e1856358bd015fb086de772dad5304793952c80989be5207ea6c447f638032
MD5 2b8c59d0b4b2e116e7422ecbd18d118a
SHA1 763434603bd8df2676053b5fe8f2b12411b60076
SHA512 d74cf64a29f691eb1e9b3c0b14b02bb6fab0685ca579471bce3ec4b99d566342970e0626f04510d3166501ec77413f9576659421d6167e4d643e04c8b8fc18d4
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl7:eSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T158839C0BABA958E9E1206870152D373593EF986F3B2597A38384FE4D9533DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4604	ezyxhsb.exe

Executes dropped EXE 1 IoCs

pid	Process
4604	ezyxhsb.exe

Loads dropped DLL 1 IoCs

pid	Process
3364	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
1196	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4312	3364	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	2026-08-07_2b8c59d0b4b2e116e7422ecbd18d118a_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	ezyxhsb.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
1196	cmd.exe
5888	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5888	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2400	2026-08-07_2b8c59d0b4b2e116e7422ecbd18d118a_elex_wannacry.exe
4604	ezyxhsb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1196	2400	2026-08-07_2b8c59d0b4b2e116e7422ecbd18d118a_elex_wannacry.exe	89
PID 1196 wrote to memory of 5888	1196	cmd.exe	91
PID 1196 wrote to memory of 4604	1196	cmd.exe	92
PID 4604 wrote to memory of 3364	4604	ezyxhsb.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-07_2b8c59d0b4b2e116e7422ecbd18d118a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_2b8c59d0b4b2e116e7422ecbd18d118a_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\ezyxhsb.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_2b8c59d0b4b2e116e7422ecbd18d118a_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:1196
- - 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:5888
- - \??\c:\ezyxhsb.exe
    c:\ezyxhsb.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-07_2b8c59d0b4b2e116e7422ecbd18d118a_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4604
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\rfqjz\pifmdfzca.dll",DoVirusScan c:\ezyxhsb.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3364
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 476
        5⤵
        Program crash
        
        PID:4312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3364 -ip 3364
1⤵
PID:4732

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

ezyxhsb.exe

Path \??\c:\ezyxhsb.exe
Size 86KB
SHA256 e49e2fe75afb64cad0dac9e700ee615eaec76666e3e3003ad465f164df87442f
MD5 6a5d94b0b393af597e4e069045a25941
SHA1 05f8639208e8043272dc09db330f1274af3634ce
SHA512 3527d1f88a96b8b421aef1cf3b3d82084957ba11509f2a62aa6b6b18e6c0a00183c6a721d9d73b0d665ec42f114f14fa0ee2a7c10d4cde69fa81e0cf614eb8f8
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlE:eSABNx6vb4RoI4pyjHYLhal01UoPX4
TLSH
T11A839D07ABA958E9E1206C70162D373597EF986F3B2497A38384FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

pifmdfzca.dll

Path \??\c:\rfqjz\pifmdfzca.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/2400-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2400-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3364-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4604-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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