4568704b830c021ce8fd7695cd7ac6ab4e1284f80ced31055e2f8dcaed232526

General

Target
2026-08-18_bab92bc890c5db78367f33e3786b8e08_elex_wannacry.exe
Size 89KB
Sample260818-23ffjstyfx
SHA256 4568704b830c021ce8fd7695cd7ac6ab4e1284f80ced31055e2f8dcaed232526
MD5 bab92bc890c5db78367f33e3786b8e08
SHA1 b4afffde60a1e4ddb49acb08d61d464f54a0fee8
SHA512 62a2d817961d78c159b48ec49636c31bb885dac1a480ebfdc39571a57e3d4e2a14e855794654dcfefe8c888f9e3b87d7ba1963303e2a0a8d6aef300b1b4c328e
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl5:eSABNx6vb4RoI4pyjHYLhal01UoPXF
TLSH
T128938D47ABB598E4E0206870161D673597EED86F3B2597A38384FE4DA133EC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1580	xnhkk.exe

Executes dropped EXE 1 IoCs

pid	Process
1580	xnhkk.exe

Loads dropped DLL 1 IoCs

pid	Process
4228	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
5620	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4268	4228	WerFault.exe	92

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	xnhkk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-18_bab92bc890c5db78367f33e3786b8e08_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

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
5620	cmd.exe
3308	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3308	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2944	2026-08-18_bab92bc890c5db78367f33e3786b8e08_elex_wannacry.exe
1580	xnhkk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 5620	2944	2026-08-18_bab92bc890c5db78367f33e3786b8e08_elex_wannacry.exe	88
PID 5620 wrote to memory of 3308	5620	cmd.exe	90
PID 5620 wrote to memory of 1580	5620	cmd.exe	91
PID 1580 wrote to memory of 4228	1580	xnhkk.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-18_bab92bc890c5db78367f33e3786b8e08_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-18_bab92bc890c5db78367f33e3786b8e08_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\xnhkk.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_bab92bc890c5db78367f33e3786b8e08_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:5620
- - 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:3308
- - \??\c:\xnhkk.exe
    c:\xnhkk.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_bab92bc890c5db78367f33e3786b8e08_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1580
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\aubccku\owaiik.dll",DoVirusScan c:\xnhkk.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4228
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 476
        5⤵
        Program crash
        
        PID:4268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4228 -ip 4228
1⤵
PID:3720

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

owaiik.dll

Path \??\c:\aubccku\owaiik.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

xnhkk.exe

Path \??\c:\xnhkk.exe
Size 89KB
SHA256 b586ab9548b525fd07869cddad9d263d4f972c69bb0c44465c59ce4173fd1fea
MD5 3daf73429168fb648f4cd24ec5eb2883
SHA1 d79390d6dd58b9922c6b65b651b83ea860b167d0
SHA512 d956c9f9337dc048fec9ea8bd0f858992147b0cdcb2ac88e426be5316fa2687b7f3b1a460e60f8df05130308eb2b0984c7933e0d86bff886fae63d3e45ef564c
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlm:eSABNx6vb4RoI4pyjHYLhal01UoPXa
TLSH
T1E8938D47ABB598E4E0206870161D673597EED86F3B2597A38384FE4DA133EC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1580-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2944-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2944-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4228-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads