3d08aaf70e9734b986c60b8b5dd77c3e5612762d5f28293d494f2286817b4600

General

Target
2026-11-03_36ae0ebaeaf207f18989af7cb85b298b_elex_wannacry.exe
Size 87KB
Sample261104-3vxwasv1ht
SHA256 3d08aaf70e9734b986c60b8b5dd77c3e5612762d5f28293d494f2286817b4600
MD5 36ae0ebaeaf207f18989af7cb85b298b
SHA1 1cca9d7c43e9354fbb57e3d211151f46158469bc
SHA512 521da66b66bed2b1185c730762f4a786d3729aaf9524df8080a6163e1ffbea616cedd709409f8d199b19362c9500e64ea90d343042423f2200379a1a96b8f309
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzls:eSABNx6vb4RoI4pyjHYLhal01UoPXo
TLSH
T1E6939D17ABAA48D9E1206C70162E777493EF946E3B149B938348FE4DE533CC5EC3614A
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
5584	zkgzd.exe

Executes dropped EXE 1 IoCs

pid	Process
5584	zkgzd.exe

Loads dropped DLL 1 IoCs

pid	Process
3548	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
4176	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3568	3548	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zkgzd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-03_36ae0ebaeaf207f18989af7cb85b298b_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
4176	cmd.exe
2452	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2452	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4824	2026-11-03_36ae0ebaeaf207f18989af7cb85b298b_elex_wannacry.exe
5584	zkgzd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 4176	4824	2026-11-03_36ae0ebaeaf207f18989af7cb85b298b_elex_wannacry.exe	89
PID 4176 wrote to memory of 2452	4176	cmd.exe	91
PID 4176 wrote to memory of 5584	4176	cmd.exe	92
PID 5584 wrote to memory of 3548	5584	zkgzd.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-11-03_36ae0ebaeaf207f18989af7cb85b298b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-03_36ae0ebaeaf207f18989af7cb85b298b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\zkgzd.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-03_36ae0ebaeaf207f18989af7cb85b298b_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:4176
- - 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:2452
- - \??\c:\zkgzd.exe
    c:\zkgzd.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-03_36ae0ebaeaf207f18989af7cb85b298b_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5584
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\iydfz\gxpsg.dll",DoVirusScan c:\zkgzd.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3548
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 476
        5⤵
        Program crash
        
        PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3548 -ip 3548
1⤵
PID:5664

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

gxpsg.dll

Path \??\c:\iydfz\gxpsg.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

zkgzd.exe

Path \??\c:\zkgzd.exe
Size 87KB
SHA256 5d695179fc45feddd0994f1c31fb0fe7cbd3a4c358baac89c851b2f503eca8c8
MD5 ab374e6102dbb8cb211c99a4c3ba0513
SHA1 1629ef8b90c769b8d14226661ada6317cc7fa6f8
SHA512 4e6ca9f9e547d8f98ddfc2e771710987f552b4787471914c16b1ef5a060f3ce9ab9371a725d4e007325b9ac6ab4ad158267b7db698f6592cd6b8463c9368b5d3
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlq:eSABNx6vb4RoI4pyjHYLhal01UoPXG
TLSH
T1F2939D17ABAA48D9E1206C70162E777493EF946E3B149B938348EE4DE533CC5EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3548-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/4824-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4824-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5584-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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