304ca68cc3ef9d3be6a827b170eb45c278af17e56c3f16028709b65a93c5c1ae

General

Target
2026-08-03_f41cc02b8b84e6954fe30ffc5b5a62a6_elex_wannacry.exe
Size 82KB
Sample260803-kmeewaep21
SHA256 304ca68cc3ef9d3be6a827b170eb45c278af17e56c3f16028709b65a93c5c1ae
MD5 f41cc02b8b84e6954fe30ffc5b5a62a6
SHA1 e023c32da2ddcc5ab6898329e6d73eb21fec0de3
SHA512 cee2b89d97512c41ede2578c7085cb4bc0aca16f0d58940e83a1a5d48e21ae12472000bbfd888aac6d4e7ea2286cb48b038a5b9cc9740407635177e25cc5afd8
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlg:eSABNx6vb4RoI4pyjHYLhal01UoPXE
TLSH
T1BF83AD0BABAA58D9E220AC71152E777493FF946E3B149B938348ED4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4740	tdogu.exe

Executes dropped EXE 1 IoCs

pid	Process
4740	tdogu.exe

Loads dropped DLL 1 IoCs

pid	Process
3456	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
5788	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	3456	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tdogu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-03_f41cc02b8b84e6954fe30ffc5b5a62a6_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
5788	cmd.exe
4744	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4744	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2692	2026-08-03_f41cc02b8b84e6954fe30ffc5b5a62a6_elex_wannacry.exe
4740	tdogu.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 5788	2692	2026-08-03_f41cc02b8b84e6954fe30ffc5b5a62a6_elex_wannacry.exe	89
PID 5788 wrote to memory of 4744	5788	cmd.exe	91
PID 5788 wrote to memory of 4740	5788	cmd.exe	92
PID 4740 wrote to memory of 3456	4740	tdogu.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-03_f41cc02b8b84e6954fe30ffc5b5a62a6_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_f41cc02b8b84e6954fe30ffc5b5a62a6_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\tdogu.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-03_f41cc02b8b84e6954fe30ffc5b5a62a6_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:5788
- - 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:4744
- - \??\c:\tdogu.exe
    c:\tdogu.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-03_f41cc02b8b84e6954fe30ffc5b5a62a6_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4740
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\ndjxzygfj\egsud.dll",DoVirusScan c:\tdogu.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3456
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 476
        5⤵
        Program crash
        
        PID:2836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3456 -ip 3456
1⤵
PID:3684

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

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

egsud.dll

Path \??\c:\ndjxzygfj\egsud.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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tdogu.exe

Path \??\c:\tdogu.exe
Size 82KB
SHA256 a612491665843eeb4a72258be72e7b6a44c05a3a7cc9853cd3e5eef3beeb4ecb
MD5 13693abc0b90a268c263f4829894dd73
SHA1 005c72ae6b6733ca6a43dbb40ee90f0d67902fa7
SHA512 e192cc2122ae4b60057297bad2e5851d0283d7852aa879ec069a7c59ebb1b3522d92b8375791e7535e7c0286107e5c83686916b45b8a0fa6c8c3b91297b09c13
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlQ:eSABNx6vb4RoI4pyjHYLhal01UoPXE
TLSH
T1A583AD0BABAA58D9E220AC70152E777493FF946E3B149B938349ED4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2692-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2692-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3456-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4740-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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