d00f7b9ca63daff4b7790ae5f22d4669a7572832c5800d0b86bf555866b2e5ab

General

Target
2026-07-02_ecae067f1e1fcb7221b2070f0d92d36e_elex_wannacry.exe
Size 84KB
Sample260702-2bd4eacv5r
SHA256 d00f7b9ca63daff4b7790ae5f22d4669a7572832c5800d0b86bf555866b2e5ab
MD5 ecae067f1e1fcb7221b2070f0d92d36e
SHA1 db428bdb562cbf4a7383f083b9906c21ef1b2cbf
SHA512 bfb9f5b6eb0422325c84efd7cefe9dee323a4151a81e8edb0788f2aac9bd5417cab51b06f4cb8be7a0a603094f55b9b79f7d6451fe1ef96c9441ad7c8d7440c6
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlv:eSABNx6vb4RoI4pyjHYLhal01UoPX7
TLSH
T13D83AD0BABAA18D9E220AD70152D377593FF946E2B249B938345FE4D9433CC0EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
860	guwwh.exe

Executes dropped EXE 1 IoCs

pid	Process
860	guwwh.exe

Loads dropped DLL 1 IoCs

pid	Process
4676	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3724	4676	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	2026-07-02_ecae067f1e1fcb7221b2070f0d92d36e_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	guwwh.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
3908	PING.EXE
2256	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3908	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4908	2026-07-02_ecae067f1e1fcb7221b2070f0d92d36e_elex_wannacry.exe
860	guwwh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 2256	4908	2026-07-02_ecae067f1e1fcb7221b2070f0d92d36e_elex_wannacry.exe	85
PID 2256 wrote to memory of 3908	2256	cmd.exe	87
PID 2256 wrote to memory of 860	2256	cmd.exe	88
PID 860 wrote to memory of 4676	860	guwwh.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-02_ecae067f1e1fcb7221b2070f0d92d36e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_ecae067f1e1fcb7221b2070f0d92d36e_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\guwwh.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-02_ecae067f1e1fcb7221b2070f0d92d36e_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - 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:3908
- - \??\c:\guwwh.exe
    c:\guwwh.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-02_ecae067f1e1fcb7221b2070f0d92d36e_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:860
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\uczeet\kufnk.dll",DoVirusScan c:\guwwh.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4676
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 560
        5⤵
        Program crash
        
        PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4676 -ip 4676
1⤵
PID:5104

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

guwwh.exe

Path C:\guwwh.exe
Size 85KB
SHA256 657b0a9af0cf5cfd8b6976daf4ff6e87b994ba71c7236cbc26ede6cc332a07e5
MD5 09d77d58c92ffc3196ee4e977b25ba33
SHA1 dffe920607ef37951e841c3509827651181f07a0
SHA512 29dcd79b9b8c445236af72ca67714e027003ad0fe65fcd6d2a88fc322b54ab3616823065da3c0b5cbdc1738ce91ad78b7f185f5ca32fdfbcc26570f1fbfe0264
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlm:eSABNx6vb4RoI4pyjHYLhal01UoPXK
TLSH
T1C083AD0BABAA58D9E120AD70152D377593FF946E3B189B938348FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

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kufnk.dll

Path \??\c:\uczeet\kufnk.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/860-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4676-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/4908-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4908-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads