85f8dd8ed035ea90e576f962de2d2942dd4854df07cb6febeb629d743f158b6d

General

Target
2026-07-01_239b69919b5ad106db82218357eb7dd0_elex_wannacry.exe
Size 97KB
Sample260701-pc3ryafw4v
SHA256 85f8dd8ed035ea90e576f962de2d2942dd4854df07cb6febeb629d743f158b6d
MD5 239b69919b5ad106db82218357eb7dd0
SHA1 478f8dd2987a5632b70648701a493be9aedde11d
SHA512 dccf86e3eebe87d6aa960feaa36a99a93792b2e36a971567953ff42e137bf6f6eebd846acec569002974f8ab2bd059346caaf2eb6795966a117310623992f9e1
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlm:QSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T118A3AE0BABAA18D9E220AD71142D377597EF84AE3B259B978345FD4D9433CC0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2788	pcfmgwugo.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	pcfmgwugo.exe

Loads dropped DLL 1 IoCs

pid	Process
5816	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3580	5816	WerFault.exe	91

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	pcfmgwugo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-01_239b69919b5ad106db82218357eb7dd0_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
3476	PING.EXE
4312	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3476	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3292	2026-07-01_239b69919b5ad106db82218357eb7dd0_elex_wannacry.exe
2788	pcfmgwugo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 4312	3292	2026-07-01_239b69919b5ad106db82218357eb7dd0_elex_wannacry.exe	87
PID 4312 wrote to memory of 3476	4312	cmd.exe	89
PID 4312 wrote to memory of 2788	4312	cmd.exe	90
PID 2788 wrote to memory of 5816	2788	pcfmgwugo.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-01_239b69919b5ad106db82218357eb7dd0_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-01_239b69919b5ad106db82218357eb7dd0_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\pcfmgwugo.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-01_239b69919b5ad106db82218357eb7dd0_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4312
- - 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:3476
- - \??\c:\pcfmgwugo.exe
    c:\pcfmgwugo.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-01_239b69919b5ad106db82218357eb7dd0_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\huzvexztk\mwbdifkv.dll",DoVirusScan c:\pcfmgwugo.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:5816
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5816 -s 476
        5⤵
        Program crash
        
        PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5816 -ip 5816
1⤵
PID:1796

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

mwbdifkv.dll

Path \??\c:\huzvexztk\mwbdifkv.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

pcfmgwugo.exe

Path \??\c:\pcfmgwugo.exe
Size 97KB
SHA256 f0674b1c1ba991abe453c257e6463b81c014cb0aa4e7e2bd33edc20f2530b758
MD5 a73986cb120cbc1c82e0eeea6f9eb4a3
SHA1 c268f5adca1f997a0a4075481ee328665d5a6e45
SHA512 f9970826ba2fc3d189d22e8b996a521313b61934c686f86a152a42312645d9db161202f1a834165a0b27c2a4028024c631aaf37b470c2b3542567c1963f754c4
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzld:QSABNx6vb4RoI4pyjHYLhal01UoPXJ
TLSH
T101A3AE0BAFAA18D9E220AD71142D377597EF84AE3B1597978345FD4D9433CC0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2788-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3292-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3292-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5816-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads