93ea6a53ea2898cd7bed50d43417c54d3ff166e333d2490270b23f4bb9db3b8a

General

Target
2026-08-18_b7c499575df64ae18846d0bc3e882338_elex_wannacry.exe
Size 86KB
Sample260818-2376kasdkd
SHA256 93ea6a53ea2898cd7bed50d43417c54d3ff166e333d2490270b23f4bb9db3b8a
MD5 b7c499575df64ae18846d0bc3e882338
SHA1 e9139c730d601c8f43afdce13dd758eda0977c66
SHA512 909642d4fa0b38e27574476bbfbbda23ea08b66cf3aedeef02bdf5a6cbe8c62fe7af2580d9f1374a859237e657b02593ca55b415ae70458cba5dbd9aaeb50463
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzls:eSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T113839C0BABA958E9E1206C70152D373593EF94AF3B2497A38384FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1280	bkuzn.exe

Executes dropped EXE 1 IoCs

pid	Process
1280	bkuzn.exe

Loads dropped DLL 1 IoCs

pid	Process
1536	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
4372	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2436	1536	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bkuzn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-18_b7c499575df64ae18846d0bc3e882338_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
4372	cmd.exe
6044	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
6044	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4872	2026-08-18_b7c499575df64ae18846d0bc3e882338_elex_wannacry.exe
1280	bkuzn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 4372	4872	2026-08-18_b7c499575df64ae18846d0bc3e882338_elex_wannacry.exe	85
PID 4372 wrote to memory of 6044	4372	cmd.exe	87
PID 4372 wrote to memory of 1280	4372	cmd.exe	88
PID 1280 wrote to memory of 1536	1280	bkuzn.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-18_b7c499575df64ae18846d0bc3e882338_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-18_b7c499575df64ae18846d0bc3e882338_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4872
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\bkuzn.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_b7c499575df64ae18846d0bc3e882338_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:4372
- - 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:6044
- - \??\c:\bkuzn.exe
    c:\bkuzn.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-18_b7c499575df64ae18846d0bc3e882338_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1280
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\kawddgtaf\zomit.dll",DoVirusScan c:\bkuzn.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:1536
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 560
        5⤵
        Program crash
        
        PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1536 -ip 1536
1⤵
PID:5996

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

Replay Monitor

Loading Replay Monitor...

Downloads

bkuzn.exe

Path C:\bkuzn.exe
Size 86KB
SHA256 5ce592d5252eb710482c34b047060154d86497ceea156604003c961c8f2fc807
MD5 6c74ba92e6cc1773c15965676ca6e75f
SHA1 eed28559a8defc7731c334f8b773bc20ae0e41ec
SHA512 8b04cd84d937b5c06c64c4c005ce922064f2bb145e8e759cef816b43510f1835a831e3d34a9238d5abe26001bac6132a18de8eaf77f9d7694842a485e0062dcc
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl7:eSABNx6vb4RoI4pyjHYLhal01UoPXH
TLSH
T1D7839C0BABA958E9E1206C70152D373593EF94AF3B2597A38384FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

zomit.dll

Path \??\c:\kawddgtaf\zomit.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/1280-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/1536-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/4872-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4872-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads