f2d12f569975894e8adac6316f74af7d9aea1c5f2667afa1fbdb944876c946fe

General

Target
2026-09-08_cdada2d21da9fdeb148de3e2f5039d47_elex_wannacry.exe
Size 88KB
Sample260910-c499wawyev
SHA256 f2d12f569975894e8adac6316f74af7d9aea1c5f2667afa1fbdb944876c946fe
MD5 cdada2d21da9fdeb148de3e2f5039d47
SHA1 1b058550285f1694157ce6c253e3270fdced99aa
SHA512 9e73248e421f71e5538621c7ff5e1af8ab2e8f75e0a97a51dafcffd3e7c27a6e4427a8c56c089929cd30de20c5094c535d308c2004bf3e778bba8332384770ae
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl2:eSABNx6vb4RoI4pyjHYLhal01UoPXK
TLSH
T16D939D07ABA598E9E1206C70162D773493EE986F3B2497A38344FE4DA133DC5EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4376	nkdlj.exe

Executes dropped EXE 1 IoCs

pid	Process
4376	nkdlj.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
4900	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	4660	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	2026-09-08_cdada2d21da9fdeb148de3e2f5039d47_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	nkdlj.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
4900	cmd.exe
4292	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4292	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3052	2026-09-08_cdada2d21da9fdeb148de3e2f5039d47_elex_wannacry.exe
4376	nkdlj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 4900	3052	2026-09-08_cdada2d21da9fdeb148de3e2f5039d47_elex_wannacry.exe	89
PID 4900 wrote to memory of 4292	4900	cmd.exe	91
PID 4900 wrote to memory of 4376	4900	cmd.exe	92
PID 4376 wrote to memory of 4660	4376	nkdlj.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-08_cdada2d21da9fdeb148de3e2f5039d47_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-08_cdada2d21da9fdeb148de3e2f5039d47_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\nkdlj.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-08_cdada2d21da9fdeb148de3e2f5039d47_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:4900
- - 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:4292
- - \??\c:\nkdlj.exe
    c:\nkdlj.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-08_cdada2d21da9fdeb148de3e2f5039d47_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4376
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\eezgs\swxkwma.dll",DoVirusScan c:\nkdlj.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 476
        5⤵
        Program crash
        
        PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 4660 -ip 4660
1⤵
PID:716

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

swxkwma.dll

Path \??\c:\eezgs\swxkwma.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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nkdlj.exe

Path \??\c:\nkdlj.exe
Size 88KB
SHA256 04db5fd1c6be9dbe696f10c46cf6c6681fe2a97ed47c8b939528f4c0739aa62b
MD5 01f3665bfe6a09f50f5a4c612e795129
SHA1 4396d402498f03984d6823156f82cdab09fa4f50
SHA512 6ee00742f48dae5aa2af56fcb62019ca4aad1d0ca589db4c164d04447083cf13517832926770d8a8f5330e87c1bde716ef84ee78536a93634f3829cb901d7fb4
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlR:eSABNx6vb4RoI4pyjHYLhal01UoPXN
TLSH
T1F9938D07ABA598E9E1206C70162D773493EE986F3B2497A38344FE4DE133DC5EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3052-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3052-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4376-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4660-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads