0ab126b7b92e126f595917f47916786bcde2f7c2c9467609828d22f53c1697b9

General

Target
2026-08-20_c67099f14e6f24092f4e3aac838758b1_elex_feodo_wannacry.exe
Size 96KB
Sample260820-3c7yjsck21
SHA256 0ab126b7b92e126f595917f47916786bcde2f7c2c9467609828d22f53c1697b9
MD5 c67099f14e6f24092f4e3aac838758b1
SHA1 dc171a92c4951ecf50af0fab6d1079cc3b05d67d
SHA512 c9de3736aa1965e6b7f743268dae769fd0aacbfb7624a95d380bcaf8592188c9a54b959aaaf6c4792bc58b5dde8761a61106b27a84a77fe1c68ef365a506c813
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlE:QSABNx6vb4RoI4pyjHYLhal01UoPXQ
TLSH
T1A9A3AE0BAFAA48D9E120AD70156D3B7597EF846E3B1497978348FE4E9433CD0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5084	jtlnaapx.exe

Executes dropped EXE 1 IoCs

pid	Process
5084	jtlnaapx.exe

Loads dropped DLL 1 IoCs

pid	Process
3700	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
1884	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3596	3700	WerFault.exe	90

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	2026-08-20_c67099f14e6f24092f4e3aac838758b1_elex_feodo_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	jtlnaapx.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
1884	cmd.exe
732	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
732	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
960	2026-08-20_c67099f14e6f24092f4e3aac838758b1_elex_feodo_wannacry.exe
5084	jtlnaapx.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 1884	960	2026-08-20_c67099f14e6f24092f4e3aac838758b1_elex_feodo_wannacry.exe	86
PID 1884 wrote to memory of 732	1884	cmd.exe	88
PID 1884 wrote to memory of 5084	1884	cmd.exe	89
PID 5084 wrote to memory of 3700	5084	jtlnaapx.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-20_c67099f14e6f24092f4e3aac838758b1_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_c67099f14e6f24092f4e3aac838758b1_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\jtlnaapx.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-20_c67099f14e6f24092f4e3aac838758b1_elex_feodo_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:1884
- - 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:732
- - \??\c:\jtlnaapx.exe
    c:\jtlnaapx.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-20_c67099f14e6f24092f4e3aac838758b1_elex_feodo_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5084
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\eqhzp\ntpzx.dll",DoVirusScan c:\jtlnaapx.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3700
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 560
        5⤵
        Program crash
        
        PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3700 -ip 3700
1⤵
PID:2280

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

jtlnaapx.exe

Path C:\jtlnaapx.exe
Size 97KB
SHA256 edaed7f518f74d12b1c1387e64b78bebf1a3599c0664724d96af5759b9e93bde
MD5 5dbe9d6e0435f2bb5f06696674aefac2
SHA1 3e76b56ba54a0ca9c1ba9753cc2206656ef8c526
SHA512 b7741b69bc0c345eeaedbc93c1b66f2bceb77117ef49251346562608c9f508e782870356d984810d34b524ef849cfa32fefc4e779fe9db149d6d0d2ffe2b3c0e
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlB:QSABNx6vb4RoI4pyjHYLhal01UoPX1
TLSH
T1EAA3AE07ABA948D9E120BD70152D3B7597EF886E3B1897938348FE4E9433DD0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ntpzx.dll

Path \??\c:\eqhzp\ntpzx.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/960-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/960-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3700-10-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/5084-7-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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