ca6fc0e006c78c8345279d7361f4408732dee75a06c8191819d2fb0ef5d9aede

General

Target
2026-08-22_2d62fa38f1affb5784931f4804e5dd93_elex_wannacry.exe
Size 89KB
Sample260822-e5b5kseb59
SHA256 ca6fc0e006c78c8345279d7361f4408732dee75a06c8191819d2fb0ef5d9aede
MD5 2d62fa38f1affb5784931f4804e5dd93
SHA1 94f680345ea4911eb87c0f1e47ca125ffe286c05
SHA512 42c0e5dd196aaa90c38ceaaa6974d472dc4b7810347715c166b319312f17dbe202fd0f466f315d319d0a4c90244f0f2449a0516274de5efbb8d028e40af36298
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl3:eSABNx6vb4RoI4pyjHYLhal01UoPX7
TLSH
T107939D47ABA958E9E1206C70051D373597EF98AB3B2597A38384FE4DA133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4260	ljahoi.exe

Executes dropped EXE 1 IoCs

pid	Process
4260	ljahoi.exe

Loads dropped DLL 1 IoCs

pid	Process
4968	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
3536	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2416	4968	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	2026-08-22_2d62fa38f1affb5784931f4804e5dd93_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	ljahoi.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
3536	cmd.exe
3896	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3896	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4144	2026-08-22_2d62fa38f1affb5784931f4804e5dd93_elex_wannacry.exe
4260	ljahoi.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 3536	4144	2026-08-22_2d62fa38f1affb5784931f4804e5dd93_elex_wannacry.exe	90
PID 3536 wrote to memory of 3896	3536	cmd.exe	92
PID 3536 wrote to memory of 4260	3536	cmd.exe	93
PID 4260 wrote to memory of 4968	4260	ljahoi.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-08-22_2d62fa38f1affb5784931f4804e5dd93_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_2d62fa38f1affb5784931f4804e5dd93_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\ljahoi.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-22_2d62fa38f1affb5784931f4804e5dd93_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:3536
- - 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:3896
- - \??\c:\ljahoi.exe
    c:\ljahoi.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-22_2d62fa38f1affb5784931f4804e5dd93_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4260
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\mzpiy\ydqgtb.dll",DoVirusScan c:\ljahoi.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4968
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 476
        5⤵
        Program crash
        
        PID:2416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4968 -ip 4968
1⤵
PID:5976

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

ljahoi.exe

Path \??\c:\ljahoi.exe
Size 89KB
SHA256 de6a708c57cf26978b23535542f952e169ff9928778ae7870757aadc793d1a34
MD5 ac3e70060a6d11eb58159eabae471519
SHA1 8ad3efdeace3d223abe263e001c29417298d1212
SHA512 ea27b00f7e3f84b99ef4111c58192d6b240b0053c79059dac1b163351c2059d04d76929b5bdf974f4f947799511487b26dfbf67967a52ee0162037f22c5898f2
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlB:eSABNx6vb4RoI4pyjHYLhal01UoPX9
TLSH
T181939D47ABAA58E8E1206C70151D373597EF98AB3B2597A38384FE4D9133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ydqgtb.dll

Path \??\c:\mzpiy\ydqgtb.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/4144-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4144-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4260-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4968-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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