6a468fede4d0fad719d21004f14c40b38dcbf0148772a178b61832fa6492dd18

General

Target
2026-10-05_84aa00d91bf8fb87d17c43973b88dd4a_elex_wannacry.exe
Size 98KB
Sample261006-zaebnswtex
SHA256 6a468fede4d0fad719d21004f14c40b38dcbf0148772a178b61832fa6492dd18
MD5 84aa00d91bf8fb87d17c43973b88dd4a
SHA1 f8a06d5d6b4f0062a09e5b70c769a907f93fa0fd
SHA512 322bd5ec584408b885b83681956dcd399bb44253744c382f49aa00be5adfd406030ed053efc6e3959426dfdaf73eaa9321a1034d6f045aab3c8df94d9338e830
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlA:QSABNx6vb4RoI4pyjHYLhal01UoPXk
TLSH
T17FA3AE0BABAA58D9E120AD70152D377597EF886F3B2497938344FE4D9533DC0EC3614A
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
1704	ovssisuu.exe

Executes dropped EXE 1 IoCs

pid	Process
1704	ovssisuu.exe

Loads dropped DLL 1 IoCs

pid	Process
5416	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
5092	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
240	5416	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-05_84aa00d91bf8fb87d17c43973b88dd4a_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	ovssisuu.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
4656	PING.EXE
5092	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4656	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
844	2026-10-05_84aa00d91bf8fb87d17c43973b88dd4a_elex_wannacry.exe
1704	ovssisuu.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 5092	844	2026-10-05_84aa00d91bf8fb87d17c43973b88dd4a_elex_wannacry.exe	89
PID 5092 wrote to memory of 4656	5092	cmd.exe	91
PID 5092 wrote to memory of 1704	5092	cmd.exe	92
PID 1704 wrote to memory of 5416	1704	ovssisuu.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-05_84aa00d91bf8fb87d17c43973b88dd4a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-05_84aa00d91bf8fb87d17c43973b88dd4a_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\ovssisuu.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-05_84aa00d91bf8fb87d17c43973b88dd4a_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:5092
- - 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:4656
- - \??\c:\ovssisuu.exe
    c:\ovssisuu.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-05_84aa00d91bf8fb87d17c43973b88dd4a_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1704
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\ttrxwwbm\ysueu.dll",DoVirusScan c:\ovssisuu.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:5416
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5416 -s 476
        5⤵
        Program crash
        
        PID:240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 240 -p 5416 -ip 5416
1⤵
PID:1736

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

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Downloads

ovssisuu.exe

Path \??\c:\ovssisuu.exe
Size 98KB
SHA256 acc34225f6b9e8fe3389546e2c0357d5f1a939ad02b93efa86fb0bc531e02d09
MD5 a936250e8ed2ba4c0fe5c953a008c864
SHA1 c3bb9ef3c817068b15b7aed7cc5c8520a192995a
SHA512 2b2d269a7585aac9cf499aef57af0679acab13d86f5a7c2efd10cdcb2d793ac058e08c7ffd01bbe7b041c93d76da324f42e48044de973b9545aeaab3f0cb80b7
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlF:QSABNx6vb4RoI4pyjHYLhal01UoPXJ
TLSH
T1D5A3AE0BABAA58D9E120AD70152D377597EF886F3B2497938344FE4D9533DC0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ysueu.dll

Path \??\c:\ttrxwwbm\ysueu.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/844-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/844-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1704-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5416-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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