34c69cdc5643b3436bcb27d5d5d5b5dbecac907f20e9c89eb1f940079d0986a3

General

Target
2026-10-23_13e7b7c1ee04486ac7043c48f5806380_elex_wannacry.exe
Size 89KB
Sample261023-sdhd6sew5k
SHA256 34c69cdc5643b3436bcb27d5d5d5b5dbecac907f20e9c89eb1f940079d0986a3
MD5 13e7b7c1ee04486ac7043c48f5806380
SHA1 e67b8baa69faba62fb6c4dd4fda2d710d9859125
SHA512 ab30fa8770a890171f1858da37a7ccb4726ce5b99ac6133203c17c166f9dea2b06ecfd0b6f0d20a412dc3b8e597c1e7800d5a96bd057e2b64de0ba797e9eb713
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlg:eSABNx6vb4RoI4pyjHYLhal01UoPXE
TLSH
T1A0938D47ABA598E5E0206C70161D773483EE986F3B2597A38384FE4EE133DC5EC3614A
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
4336	jcmbi.exe

Executes dropped EXE 1 IoCs

pid	Process
4336	jcmbi.exe

Loads dropped DLL 1 IoCs

pid	Process
6132	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
2964	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1968	6132	WerFault.exe	92

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	jcmbi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-23_13e7b7c1ee04486ac7043c48f5806380_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
2964	cmd.exe
1348	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1348	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2976	2026-10-23_13e7b7c1ee04486ac7043c48f5806380_elex_wannacry.exe
4336	jcmbi.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2964	2976	2026-10-23_13e7b7c1ee04486ac7043c48f5806380_elex_wannacry.exe	88
PID 2964 wrote to memory of 1348	2964	cmd.exe	90
PID 2964 wrote to memory of 4336	2964	cmd.exe	91
PID 4336 wrote to memory of 6132	4336	jcmbi.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-10-23_13e7b7c1ee04486ac7043c48f5806380_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-23_13e7b7c1ee04486ac7043c48f5806380_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\jcmbi.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-23_13e7b7c1ee04486ac7043c48f5806380_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:2964
- - 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:1348
- - \??\c:\jcmbi.exe
    c:\jcmbi.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-23_13e7b7c1ee04486ac7043c48f5806380_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4336
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\qaphe\xeivksdl.dll",DoVirusScan c:\jcmbi.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:6132
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 6132 -s 476
        5⤵
        Program crash
        
        PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 6132 -ip 6132
1⤵
PID:1200

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

jcmbi.exe

Path \??\c:\jcmbi.exe
Size 89KB
SHA256 c63ccda3fd71d65dc77e6d1ac9e8f0532e1c574e857a8408439d27d8ed7c1451
MD5 36df2a44cea58a32d988f8596834beb4
SHA1 b68558aa1a740ba0efc52c56d09ea5f404dedf81
SHA512 e6e0af4a10d2fadd348a235cf5504bbab40061275a782e6060557989614282343642466e23ce1ae97d07b6b53d85bcdb66c0bff0c864b9dcca4dc806aeb8c4ae
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlt:eSABNx6vb4RoI4pyjHYLhal01UoPXR
TLSH
T1B1939E07ABA598E5E0206C70161D773593EED86F3B1497A38384FE4EE133D95EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

xeivksdl.dll

Path \??\c:\qaphe\xeivksdl.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/2976-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2976-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4336-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/6132-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads