03614737f11727c51262e6143cca0373c60adf1a4b471b28cb606d4c79a74048

General

Target
2026-08-01_5a68420f1ef43fc790980884d7083f8e_elex_wannacry.exe
Size 86KB
Sample260801-g5prsazelf
SHA256 03614737f11727c51262e6143cca0373c60adf1a4b471b28cb606d4c79a74048
MD5 5a68420f1ef43fc790980884d7083f8e
SHA1 fbc47fe78da24c4a3aaf1170e7e6754b361a8235
SHA512 705b477e55f2ea83c563a854af2c082d332dcdeeefb7a42c38c5349f699ae4285a6f61dd0c0b76d533530af928c7a0b6f66437fd91e9fdee74ebb21c4713b3d8
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl7:eSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T1CF838C07ABAA58E9E1206C70162D373593EF946F3B2597A38384FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5836	utytecxj.exe

Executes dropped EXE 1 IoCs

pid	Process
5836	utytecxj.exe

Loads dropped DLL 1 IoCs

pid	Process
4640	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
4112	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4816	4640	WerFault.exe	92

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	2026-08-01_5a68420f1ef43fc790980884d7083f8e_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	utytecxj.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
4112	cmd.exe
3364	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3364	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
916	2026-08-01_5a68420f1ef43fc790980884d7083f8e_elex_wannacry.exe
5836	utytecxj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 4112	916	2026-08-01_5a68420f1ef43fc790980884d7083f8e_elex_wannacry.exe	88
PID 4112 wrote to memory of 3364	4112	cmd.exe	90
PID 4112 wrote to memory of 5836	4112	cmd.exe	91
PID 5836 wrote to memory of 4640	5836	utytecxj.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-01_5a68420f1ef43fc790980884d7083f8e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_5a68420f1ef43fc790980884d7083f8e_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:916
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\utytecxj.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-01_5a68420f1ef43fc790980884d7083f8e_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:4112
- - 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:3364
- - \??\c:\utytecxj.exe
    c:\utytecxj.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-01_5a68420f1ef43fc790980884d7083f8e_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5836
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\farbfmw\eovav.dll",DoVirusScan c:\utytecxj.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4640
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 476
        5⤵
        Program crash
        
        PID:4816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4640 -ip 4640
1⤵
PID:5776

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

Replay Monitor

Loading Replay Monitor...

Downloads

eovav.dll

Path \??\c:\farbfmw\eovav.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

utytecxj.exe

Path \??\c:\utytecxj.exe
Size 86KB
SHA256 62eb80cf433de7e77deefc8b1872a52eddd27c5a736ce11f0db3b5f3ecacdc3d
MD5 053ccd5965bf02f9e2239a5c52530e2a
SHA1 2be2b9f10ce2caedecd3de1540b639bc95196764
SHA512 093875e1df5dcc8eb6f65be9fee7273383f58077c463da0acdf0e85745dc037a590c53db4d551b032610eaf1d39fa472e0a0dc9e0acb181dfa3ac935076ff072
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlm:eSABNx6vb4RoI4pyjHYLhal01UoPXq
TLSH
T169839C07ABA958E9E1206C70162D373593EF986F3B2597A38384FE4D9133DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/916-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/916-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4640-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/5836-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads