07aad95f0808eb1ee11242e957987b9a1350aae4902e09a47564ab6975d9bc29

General

Target
2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe
Size 87KB
Sample261030-m38prsec59
SHA256 07aad95f0808eb1ee11242e957987b9a1350aae4902e09a47564ab6975d9bc29
MD5 0872ac95aa451a3e69def31273d73890
SHA1 ff68ffcf9235d281f6ada232ef837121db1d60bc
SHA512 87c31f7b8e42449fc524a645a77f51b722ab1a5e192ea902b45ceb245964a67866b5850ce94bf5a89b6a4aa8597310e06334fda6a444c155e3351f4c0574c247
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlu:eSABNx6vb4RoI4pyjHYLhal01UoPXy
TLSH
T161939D07ABA588D9E1206C70161E773497EF986E3B1497A38344FE4EE533DC5EC3618A
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
1868	oitic.exe

Executes dropped EXE 1 IoCs

pid	Process
1868	oitic.exe

Loads dropped DLL 1 IoCs

pid	Process
4432	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
868	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2596	4432	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oitic.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.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
868	cmd.exe
3768	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3768	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3580	2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe
1868	oitic.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 868	3580	2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe	85
PID 868 wrote to memory of 3768	868	cmd.exe	87
PID 868 wrote to memory of 1868	868	cmd.exe	88
PID 1868 wrote to memory of 4432	1868	oitic.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\oitic.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-28_0872ac95aa451a3e69def31273d73890_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:868
- - 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:3768
- - \??\c:\oitic.exe
    c:\oitic.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1868
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\mtnhl\eadzz.dll",DoVirusScan c:\oitic.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4432
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 560
        5⤵
        Program crash
        
        PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4432 -ip 4432
1⤵
PID:4776

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

oitic.exe

Path C:\oitic.exe
Size 87KB
SHA256 16e8b876d221f296a71d7cb2d53be0a891e335724b1308a1e07c631cd0d7b582
MD5 002ce9207cee2afa835e83f26695b782
SHA1 2f89802b046d8b7be387d4ca28e4621cf22e28d3
SHA512 1c1784f7bfb665795384267ec4db860b51652c174cefb835096099291933c52814b73dffc66659cdc51c6c9c5174452ec0eda067c502d44383dbe79dc3c91fc2
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl5:eSABNx6vb4RoI4pyjHYLhal01UoPXF
TLSH
T1CD939D07ABA588D9E1206C70161D773487EF986E3B1497A38384FE4EE533DC5EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

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eadzz.dll

Path \??\c:\mtnhl\eadzz.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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memory/1868-7-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3580-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3580-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4432-10-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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