dd76f7121e421a5cbbd3f9553ceda57fe14cc11663b6cc7ba16d9bef0a964cc7

General

Target
2026-10-26_e200a4db101365c606278c4b94a3c2fa_elex_wannacry.exe
Size 87KB
Sample261027-e6d1ka1wb1
SHA256 dd76f7121e421a5cbbd3f9553ceda57fe14cc11663b6cc7ba16d9bef0a964cc7
MD5 e200a4db101365c606278c4b94a3c2fa
SHA1 917eb5d107db996219c7b5c50bf520632b68bfae
SHA512 c95a38dc4256385b1aae8476e682fbe12b3b0a57fa590999f58b1393f138ab43b2ff446f32ce504f7c420c09b4d9a7b1a842a6a7644f746385622b2a43da45cd
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzly:eSABNx6vb4RoI4pyjHYLhal01UoPXe
TLSH
T142939D07ABA598E9E1206C70161D773493EF986F3B2597A38384FE4E9133DD1EC3614A
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
4872	giwsgsv.exe

Executes dropped EXE 1 IoCs

pid	Process
4872	giwsgsv.exe

Loads dropped DLL 1 IoCs

pid	Process
936	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
4176	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5092	936	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	2026-10-26_e200a4db101365c606278c4b94a3c2fa_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	giwsgsv.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
4176	cmd.exe
988	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
988	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1888	2026-10-26_e200a4db101365c606278c4b94a3c2fa_elex_wannacry.exe
4872	giwsgsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 4176	1888	2026-10-26_e200a4db101365c606278c4b94a3c2fa_elex_wannacry.exe	88
PID 4176 wrote to memory of 988	4176	cmd.exe	90
PID 4176 wrote to memory of 4872	4176	cmd.exe	91
PID 4872 wrote to memory of 936	4872	giwsgsv.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-10-26_e200a4db101365c606278c4b94a3c2fa_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_e200a4db101365c606278c4b94a3c2fa_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\giwsgsv.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e200a4db101365c606278c4b94a3c2fa_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:4176
- - 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:988
- - \??\c:\giwsgsv.exe
    c:\giwsgsv.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e200a4db101365c606278c4b94a3c2fa_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4872
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\cchut\yqocx.dll",DoVirusScan c:\giwsgsv.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:936
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 476
        5⤵
        Program crash
        
        PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 936 -ip 936
1⤵
PID:4748

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

yqocx.dll

Path \??\c:\cchut\yqocx.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

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giwsgsv.exe

Path \??\c:\giwsgsv.exe
Size 88KB
SHA256 cb17c493b959dd5b95023a4ddfa8f3c4e0f7ba1eb65ed24903e7526694ee4e9a
MD5 301f79ed04d7fcebcc1e90facdda581f
SHA1 aa51f4b759d7d60a5aa4eef92679e5577cf2e4e7
SHA512 0712e667598260c60cb9cf11121bd5ba0bdcbd6a142d6a994a6eb75661873c59de75df49f02857e55e317ae337b8401a97114dbd692ecb6bd4148a460d5a772f
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlz:eSABNx6vb4RoI4pyjHYLhal01UoPXn
TLSH
T196939D07ABA598D9E1206C70161D773487EE986F3B1497A38384FE4EE133DD1EC3A14A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/936-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/1888-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1888-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4872-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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