7d8ae5ca9c6c31bb3a4675391c6112b0a6c5d49223c4b7a2b2809bfa4957c4e1

General

Target
2026-08-18_72b853f0059924d05a5b472d988a44b8_elex_wannacry.exe
Size 95KB
Sample260818-3klqaaca43
SHA256 7d8ae5ca9c6c31bb3a4675391c6112b0a6c5d49223c4b7a2b2809bfa4957c4e1
MD5 72b853f0059924d05a5b472d988a44b8
SHA1 36e14c3b6d1535743311fbac07ef6d5df1f8035f
SHA512 2cea15f4b7127a5d52b24abb2fd6c2fc084848b5c9a26117d77301e5dd8324f07513f8ef1d2f1755aa661facfa587a05a1587a9f9f1c82b0df91a6309c3e95ed
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlH:QSABNx6vb4RoI4pyjHYLhal01UoPXj
TLSH
T169A3AD0BABAA58D9E220AC71152E377493EF946E2B149B938349FD4D9533CC1EC3714E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4944	reigr.exe

Executes dropped EXE 1 IoCs

pid	Process
4944	reigr.exe

Loads dropped DLL 1 IoCs

pid	Process
1480	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
5104	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4600	1480	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	2026-08-18_72b853f0059924d05a5b472d988a44b8_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	reigr.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
5104	cmd.exe
784	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
784	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4956	2026-08-18_72b853f0059924d05a5b472d988a44b8_elex_wannacry.exe
4944	reigr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 5104	4956	2026-08-18_72b853f0059924d05a5b472d988a44b8_elex_wannacry.exe	89
PID 5104 wrote to memory of 784	5104	cmd.exe	91
PID 5104 wrote to memory of 4944	5104	cmd.exe	92
PID 4944 wrote to memory of 1480	4944	reigr.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-18_72b853f0059924d05a5b472d988a44b8_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-18_72b853f0059924d05a5b472d988a44b8_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\reigr.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_72b853f0059924d05a5b472d988a44b8_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:5104
- - 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:784
- - \??\c:\reigr.exe
    c:\reigr.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_72b853f0059924d05a5b472d988a44b8_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4944
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\bqzwnlmk\lpykf.dll",DoVirusScan c:\reigr.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:1480
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 480
        5⤵
        Program crash
        
        PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1480 -ip 1480
1⤵
PID:6020

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

lpykf.dll

Path \??\c:\bqzwnlmk\lpykf.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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reigr.exe

Path \??\c:\reigr.exe
Size 96KB
SHA256 801c6c7057680284676eec609ad6b4d7f6d84b0fbbedf57fe7970e6b936fcd82
MD5 13e318f18f4927f21f9d6a93f88be996
SHA1 f194cca34987feececa6a7f5b671f46c52a31ccc
SHA512 f0c7656c0cf867b7f3cb1d9062ddbaf7cd81058a84791cd0bd435d9266958df9254bbda85fe8576e9ec26af46ffc81d2cd7ebf5e6e558400bddcd471643a31d9
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlu:QSABNx6vb4RoI4pyjHYLhal01UoPXy
TLSH
T1D5A39D0BABAA58D9E220AC71152E377497EF946E3B149B938348FD4D9533CC1EC3714A
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1480-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4944-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4956-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4956-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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