dfe6f49909fd4168befb0f243043d990762a3e79cd20bf88c583eea1114d6546

General

Target
2026-08-08_c27e121e14e9099f493fe010408d8709_elex_feodo_wannacry.exe
Size 82KB
Sample260808-vt2h4aap4y
SHA256 dfe6f49909fd4168befb0f243043d990762a3e79cd20bf88c583eea1114d6546
MD5 c27e121e14e9099f493fe010408d8709
SHA1 afa8556ec8422894f833c1bc4bad8758085b2200
SHA512 674e1fc07e8f4b4415183d98d5d91de04baa8814900e75eeb244c0938bf59935b25c058996aa685684c759fe7a858905411f4dae7833c33e9e720297bb1d4ffa
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlT:eSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T15D83AE0BAFAA0CD9E220AD31142E377593BF946E2B149B978349ED5D9433CC0EC3714A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1132	heltx.exe

Executes dropped EXE 1 IoCs

pid	Process
1132	heltx.exe

Loads dropped DLL 1 IoCs

pid	Process
4840	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
5888	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4192	4840	WerFault.exe	94

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-08_c27e121e14e9099f493fe010408d8709_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	heltx.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
4388	PING.EXE
5888	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4388	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2932	2026-08-08_c27e121e14e9099f493fe010408d8709_elex_feodo_wannacry.exe
1132	heltx.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 5888	2932	2026-08-08_c27e121e14e9099f493fe010408d8709_elex_feodo_wannacry.exe	90
PID 5888 wrote to memory of 4388	5888	cmd.exe	92
PID 5888 wrote to memory of 1132	5888	cmd.exe	93
PID 1132 wrote to memory of 4840	1132	heltx.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-08-08_c27e121e14e9099f493fe010408d8709_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_c27e121e14e9099f493fe010408d8709_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\heltx.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-08_c27e121e14e9099f493fe010408d8709_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:5888
- - 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:4388
- - \??\c:\heltx.exe
    c:\heltx.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-08_c27e121e14e9099f493fe010408d8709_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:1132
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\sfrfo\navsaxit.dll",DoVirusScan c:\heltx.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4840
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 480
        5⤵
        Program crash
        
        PID:4192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4840 -ip 4840
1⤵
PID:2920

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

Replay Monitor

Loading Replay Monitor...

Downloads

heltx.exe

Path \??\c:\heltx.exe
Size 82KB
SHA256 c18169ab89e181f939c61dcccfde368631b93a4aa58458bb27fb3bafc4ba8713
MD5 f12cddaa588bec4415528b423cf4f177
SHA1 17286527b065f81cfdb359c40670f56a1e4f3fd0
SHA512 384eee9bbc564916f1f5459e07d7a6fbd71451320b0ca25428543b0a9cd487773daeb6c238983a1e316bcd415c518ffc99f584eec698080ed8e25e737b123a61
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlu:eSABNx6vb4RoI4pyjHYLhal01UoPXq
TLSH
T1D183AE0BAFAA0CD9E220AD71142E377593BF946E2B149B979349ED5D9433CC0EC3714A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

navsaxit.dll

Path \??\c:\sfrfo\navsaxit.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

memory/1132-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2932-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2932-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4840-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads