55eb310998509427dde25f60633fa1e7ba89f8d5bcc7646856aef566bb026790

General

Target
2026-10-11_8283f0897c4dc2981c0d949ab8bd1a10_elex_wannacry.exe
Size 98KB
Sample261012-vym69sec64
SHA256 55eb310998509427dde25f60633fa1e7ba89f8d5bcc7646856aef566bb026790
MD5 8283f0897c4dc2981c0d949ab8bd1a10
SHA1 56bf46f352be7a6346823f2e0656ba3745e14926
SHA512 d63ee022552749e29357ee3f285db365145d6e4d6456ea78b76b9d20145648bee28a9af70b9a63735b2a719c0bef6b6cb6b283b8ef9d5841900af7f5bec5f8f1
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlj:QSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T1A1A3AD0BABAA58E9E120AC70152D373597EF946F3B2497A38344FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1796	ogcnr.exe

Executes dropped EXE 1 IoCs

pid	Process
1796	ogcnr.exe

Loads dropped DLL 1 IoCs

pid	Process
5508	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
3060	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4412	5508	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ogcnr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-11_8283f0897c4dc2981c0d949ab8bd1a10_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
3100	PING.EXE
3060	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3100	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2396	2026-10-11_8283f0897c4dc2981c0d949ab8bd1a10_elex_wannacry.exe
1796	ogcnr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 3060	2396	2026-10-11_8283f0897c4dc2981c0d949ab8bd1a10_elex_wannacry.exe	89
PID 3060 wrote to memory of 3100	3060	cmd.exe	91
PID 3060 wrote to memory of 1796	3060	cmd.exe	92
PID 1796 wrote to memory of 5508	1796	ogcnr.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-11_8283f0897c4dc2981c0d949ab8bd1a10_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-11_8283f0897c4dc2981c0d949ab8bd1a10_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\ogcnr.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-11_8283f0897c4dc2981c0d949ab8bd1a10_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:3060
- - 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:3100
- - \??\c:\ogcnr.exe
    c:\ogcnr.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-11_8283f0897c4dc2981c0d949ab8bd1a10_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1796
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\uhsty\hpgzg.dll",DoVirusScan c:\ogcnr.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:5508
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5508 -s 476
        5⤵
        Program crash
        
        PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5508 -ip 5508
1⤵
PID:3404

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

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

ogcnr.exe

Path \??\c:\ogcnr.exe
Size 98KB
SHA256 8f307de33ab0b586e672f1aebf6ef148d7968aec2fe7544929cac0831415179a
MD5 85c3f74db6bd3fdd2f1efb43cb8fb3f0
SHA1 d3376d864642f2b43ccac7ca3ba3904fba6606b3
SHA512 9716a47b44ea78345a5852b7ece71cd1a6686d816549fb5fad01d132ae976845f10d1c7845e48c586eafcab5d4ef63fb323647533a6a75a41116696cbd194e01
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzla:QSABNx6vb4RoI4pyjHYLhal01UoPXO
TLSH
T165A3AD0BABA958E9E120AC70152D373597EF946F3B2497A38344FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

hpgzg.dll

Path \??\c:\uhsty\hpgzg.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/1796-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2396-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2396-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5508-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads