761dfd8711998c3155e732557bf12180b7f3933f164a6bb46901c3ae1146f011

General

Target
2026-08-24_c491bac5a8eff386396b1eb97af869f0_elex_wannacry.exe
Size 96KB
Sample260825-b8py3a1yet
SHA256 761dfd8711998c3155e732557bf12180b7f3933f164a6bb46901c3ae1146f011
MD5 c491bac5a8eff386396b1eb97af869f0
SHA1 2038dba1ff88fa1dd039b780ab0b39011d459821
SHA512 07c5caa0fc837e9f103573c44a1675d404e056967ba0ec654a7bc58ca6eab2e92031734285905445f89e2c68bc313a2f8a5c2beae5f637ae1e9b5cf4b1a8590d
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlf:QSABNx6vb4RoI4pyjHYLhal01UoPXL
TLSH
T1D0A3AD0BABAA48D9E220AD70152D377597EF946F3B149B938348FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
984	lopfh.exe

Executes dropped EXE 1 IoCs

pid	Process
984	lopfh.exe

Loads dropped DLL 1 IoCs

pid	Process
4660	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
3300	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3336	4660	WerFault.exe	89

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	2026-08-24_c491bac5a8eff386396b1eb97af869f0_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	lopfh.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
4036	PING.EXE
3300	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4036	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5100	2026-08-24_c491bac5a8eff386396b1eb97af869f0_elex_wannacry.exe
984	lopfh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 3300	5100	2026-08-24_c491bac5a8eff386396b1eb97af869f0_elex_wannacry.exe	85
PID 3300 wrote to memory of 4036	3300	cmd.exe	87
PID 3300 wrote to memory of 984	3300	cmd.exe	88
PID 984 wrote to memory of 4660	984	lopfh.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-24_c491bac5a8eff386396b1eb97af869f0_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_c491bac5a8eff386396b1eb97af869f0_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\lopfh.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-24_c491bac5a8eff386396b1eb97af869f0_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:3300
- - 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:4036
- - \??\c:\lopfh.exe
    c:\lopfh.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-24_c491bac5a8eff386396b1eb97af869f0_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:984
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\wyjutkd\ooalgk.dll",DoVirusScan c:\lopfh.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4660
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 560
        5⤵
        Program crash
        
        PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4660 -ip 4660
1⤵
PID:1612

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

lopfh.exe

Path C:\lopfh.exe
Size 96KB
SHA256 8b0cf49df13007786ce50b5174482f4aa59435c944b8b9e57a40d7260c0c996e
MD5 2db620d7d47f46577440b8e289f05ef9
SHA1 f5856eeda25f382c426864e0b77842f4478916b7
SHA512 3c2fe1a9b71f777450d7e9a6a8dd78757221aace80724383c652fb0b97a15d5213a758b4e765ea0634421bead31ed4bfdb1ed314140300d2045cc8e89e446419
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlH:QSABNx6vb4RoI4pyjHYLhal01UoPXr
TLSH
T132A3AD0BABAA48D9E220AD70152D377597EF946F3B149B938348FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ooalgk.dll

Path \??\c:\wyjutkd\ooalgk.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/984-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4660-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/5100-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5100-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads