437bfacb61dd3c80f0e10d8f6ca93a8b0dc7b287c41fffe295227b59e9195fe6

General

Target
2026-10-22_09fc61bd426432a6718c42f0aad936fb_elex_wannacry.exe
Size 88KB
Sample261024-173afaxthw
SHA256 437bfacb61dd3c80f0e10d8f6ca93a8b0dc7b287c41fffe295227b59e9195fe6
MD5 09fc61bd426432a6718c42f0aad936fb
SHA1 2693a17e3274871ce1a9238fb54ec630ed14cab5
SHA512 cad4b39d34643d6d5e0bcfd5511a9085ec230eb0697571d345da964d75124979a92ccf0430e9fac898536968c69a07653f1bfc08481d8a500a7bf4a0d1936854
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzla:eSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T1E9939D47ABA598E9E0206C70161D773483EE986F3B1497A38384FE4EE133DC5EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3196	dvninx.exe

Executes dropped EXE 1 IoCs

pid	Process
3196	dvninx.exe

Loads dropped DLL 1 IoCs

pid	Process
2220	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
5952	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4580	2220	WerFault.exe	94

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	2026-10-22_09fc61bd426432a6718c42f0aad936fb_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	dvninx.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
5952	cmd.exe
4760	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4760	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3288	2026-10-22_09fc61bd426432a6718c42f0aad936fb_elex_wannacry.exe
3196	dvninx.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 5952	3288	2026-10-22_09fc61bd426432a6718c42f0aad936fb_elex_wannacry.exe	90
PID 5952 wrote to memory of 4760	5952	cmd.exe	92
PID 5952 wrote to memory of 3196	5952	cmd.exe	93
PID 3196 wrote to memory of 2220	3196	dvninx.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-10-22_09fc61bd426432a6718c42f0aad936fb_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_09fc61bd426432a6718c42f0aad936fb_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3288
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\dvninx.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_09fc61bd426432a6718c42f0aad936fb_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:5952
- - 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:4760
- - \??\c:\dvninx.exe
    c:\dvninx.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_09fc61bd426432a6718c42f0aad936fb_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3196
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\rxdil\clkuz.dll",DoVirusScan c:\dvninx.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2220
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 476
        5⤵
        Program crash
        
        PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2220 -ip 2220
1⤵
PID:5624

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

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

clkuz.dll

Path C:\rxdil\clkuz.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

dvninx.exe

Path \??\c:\dvninx.exe
Size 88KB
SHA256 6df3a10c17d2374b72c6e6a529d30d9fe95563c237bcfd899a8b694c5f10078b
MD5 2afe24255b73868700fc8c53e1547bf2
SHA1 4520c2f9e8f08a5f30003d8649612b1ef8e4d2a9
SHA512 54675243add158adb30e3f7ed8f442be500c4324effb849b3de892642c583ea6cb71f90a9e3dd4204571847158fb814913ffb27fc50a3050ae196a3cd83b705a
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlk:eSABNx6vb4RoI4pyjHYLhal01UoPXA
TLSH
T1CE938D47ABA598E5E0206C70161D773483EE986F3B1497A38384FE4EE133D95EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2220-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/3196-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3288-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3288-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads