ec9c651e1b483f5958dc5b77ba7c70cf3a0dd4a50d15369a9b06db96ec556436

General

Target
2026-07-27_fee7b62e3a8a85f520b63c31d0e6bd89_elex_wannacry.exe
Size 86KB
Sample260727-2lmtastths
SHA256 ec9c651e1b483f5958dc5b77ba7c70cf3a0dd4a50d15369a9b06db96ec556436
MD5 fee7b62e3a8a85f520b63c31d0e6bd89
SHA1 14cf9484958dc6fffdd8db94617d07f0aba05754
SHA512 0a6720c6548d631610664ed889ad08f735afdefcd417b57428235cdd34abed12ed711ab954d36e62464c149caf20758bf1fbd8d4350711120bb99f7ba5481924
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlC:eSABNx6vb4RoI4pyjHYLhal01UoPXW
TLSH
T1A7839D07ABAA58E9E1206870152D377497EF94AF2B259BA38344FE4D9133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4160	txrxm.exe

Executes dropped EXE 1 IoCs

pid	Process
4160	txrxm.exe

Loads dropped DLL 1 IoCs

pid	Process
4324	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
3784	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4280	4324	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	2026-07-27_fee7b62e3a8a85f520b63c31d0e6bd89_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	txrxm.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
3784	cmd.exe
2964	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2964	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4224	2026-07-27_fee7b62e3a8a85f520b63c31d0e6bd89_elex_wannacry.exe
4160	txrxm.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 3784	4224	2026-07-27_fee7b62e3a8a85f520b63c31d0e6bd89_elex_wannacry.exe	89
PID 3784 wrote to memory of 2964	3784	cmd.exe	91
PID 3784 wrote to memory of 4160	3784	cmd.exe	92
PID 4160 wrote to memory of 4324	4160	txrxm.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-27_fee7b62e3a8a85f520b63c31d0e6bd89_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_fee7b62e3a8a85f520b63c31d0e6bd89_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\txrxm.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-27_fee7b62e3a8a85f520b63c31d0e6bd89_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:3784
- - 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:2964
- - \??\c:\txrxm.exe
    c:\txrxm.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-27_fee7b62e3a8a85f520b63c31d0e6bd89_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4160
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\jodmp\mpomtactm.dll",DoVirusScan c:\txrxm.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4324
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 476
        5⤵
        Program crash
        
        PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4324 -ip 4324
1⤵
PID:808

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

mpomtactm.dll

Path \??\c:\jodmp\mpomtactm.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

txrxm.exe

Path \??\c:\txrxm.exe
Size 86KB
SHA256 22be3cdec1bcc35c9c32646f363ca1d40b372d0ac3019b0e0debdf71bbdb7c24
MD5 136380cdcf35e34a9fc5f773034aa4fe
SHA1 8b1b45be96ca24d3dfab4a805f57b20a442449e4
SHA512 dc9d9337b536fc56bae27a550fee6bd1da23b1a3ebf82dcb5e0072238461c7255cbbb8ce2ca38566ca9d41b65dc073e6c61d80e03a90fb82075ed34b339618d9
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlv:eSABNx6vb4RoI4pyjHYLhal01UoPXr
TLSH
T160939D07ABAA58E9E1206C70152D377497EF986F3B259BA38344FE4D9133DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4160-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4224-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4224-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4324-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads