6b11541e87f1e570445655e67e6795aa20e27c0a4e3a0611e882789bfb6d008f

General

Target
2026-07-27_dde7c51d6b5b958661f66d7be6d9afd9_elex_wannacry.exe
Size 86KB
Sample260727-2mxd5asfla
SHA256 6b11541e87f1e570445655e67e6795aa20e27c0a4e3a0611e882789bfb6d008f
MD5 dde7c51d6b5b958661f66d7be6d9afd9
SHA1 9f228fe079cf063014b73791e3101bad36154e4d
SHA512 c1b7ad55f82d201c054b67a713c0d131bb6b253541aa2a295480ad3fc4f5e3622670b08f8cf16bfb747ec42664624e8853e48be3447a8e1f4e4d38fac76b1a62
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl7:eSABNx6vb4RoI4pyjHYLhal01UoPXn
TLSH
T1C2839D07ABAA58D9E1206C71162E773493EF946F3B149B938384EE4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1612	zyxlq.exe

Executes dropped EXE 1 IoCs

pid	Process
1612	zyxlq.exe

Loads dropped DLL 1 IoCs

pid	Process
1164	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
4264	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4328	1164	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	2026-07-27_dde7c51d6b5b958661f66d7be6d9afd9_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	zyxlq.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
4264	cmd.exe
4560	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4560	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4676	2026-07-27_dde7c51d6b5b958661f66d7be6d9afd9_elex_wannacry.exe
1612	zyxlq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 4264	4676	2026-07-27_dde7c51d6b5b958661f66d7be6d9afd9_elex_wannacry.exe	89
PID 4264 wrote to memory of 4560	4264	cmd.exe	91
PID 4264 wrote to memory of 1612	4264	cmd.exe	92
PID 1612 wrote to memory of 1164	1612	zyxlq.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-27_dde7c51d6b5b958661f66d7be6d9afd9_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_dde7c51d6b5b958661f66d7be6d9afd9_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\zyxlq.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-27_dde7c51d6b5b958661f66d7be6d9afd9_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:4264
- - 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:4560
- - \??\c:\zyxlq.exe
    c:\zyxlq.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-27_dde7c51d6b5b958661f66d7be6d9afd9_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1612
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\zoxnl\epynalrzz.dll",DoVirusScan c:\zyxlq.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:1164
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 476
        5⤵
        Program crash
        
        PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 1164 -ip 1164
1⤵
PID:5728

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

epynalrzz.dll

Path \??\c:\zoxnl\epynalrzz.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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zyxlq.exe

Path \??\c:\zyxlq.exe
Size 86KB
SHA256 b3cacad39fc29f2e97451e35c3bed4c7c75b3032432ac0cec4ce66c0f1af4711
MD5 a99da31ea9275b4d0f36c78fadd5e2f3
SHA1 933d5a605ce129e29663def8d9b9fbdc9dca4380
SHA512 655c5e320d0bcfbdd7b1613ce5c722f06dddd6694b45ce9162c2ffbd628259b9e5f391a1b6d7cfcd3b4b3ea200a2cf6ff0b28361cfc023b6b5e7cb811f42f2e5
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlm:eSABNx6vb4RoI4pyjHYLhal01UoPXS
TLSH
T137939D07ABAA58D9E1206C71162E773493EF946F3B149B934388EE4D9533CC5EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1164-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/1612-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4676-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4676-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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