753f4ae0e9b40cda335c644780be6f00b01768fa8b9fd5f9bb78f13a7fc9db0e

General

Target
2026-08-30_0b1024ad97eb048f25885194e8320da1_elex_feodo_wannacry.exe
Size 95KB
Sample260830-1w8cbaszds
SHA256 753f4ae0e9b40cda335c644780be6f00b01768fa8b9fd5f9bb78f13a7fc9db0e
MD5 0b1024ad97eb048f25885194e8320da1
SHA1 accfe0bd62432b379068625f89598e0f1011d571
SHA512 c5e7a5f166c77845dfcd059ae572f74d00d6e5eff439fb1743b88fc11721ce0c5898ffe4264bc1eb47ce0dc3b5e7d3ef1702a40f2bcb38c18537fd23c71bbad4
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl0:QSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T12693AE0BABAA5CD9E220AD70156D377597EF846E3B2497978348FE4D9433CC0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1556	cpgzlqld.exe

Executes dropped EXE 1 IoCs

pid	Process
1556	cpgzlqld.exe

Loads dropped DLL 1 IoCs

pid	Process
3324	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
2816	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2080	3324	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	2026-08-30_0b1024ad97eb048f25885194e8320da1_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	cpgzlqld.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
2816	cmd.exe
5792	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5792	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
6004	2026-08-30_0b1024ad97eb048f25885194e8320da1_elex_feodo_wannacry.exe
1556	cpgzlqld.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 6004 wrote to memory of 2816	6004	2026-08-30_0b1024ad97eb048f25885194e8320da1_elex_feodo_wannacry.exe	89
PID 2816 wrote to memory of 5792	2816	cmd.exe	91
PID 2816 wrote to memory of 1556	2816	cmd.exe	92
PID 1556 wrote to memory of 3324	1556	cpgzlqld.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-30_0b1024ad97eb048f25885194e8320da1_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-30_0b1024ad97eb048f25885194e8320da1_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:6004
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\cpgzlqld.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-30_0b1024ad97eb048f25885194e8320da1_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:2816
- - 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:5792
- - \??\c:\cpgzlqld.exe
    c:\cpgzlqld.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-30_0b1024ad97eb048f25885194e8320da1_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:1556
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\nttmt\rjbqyhe.dll",DoVirusScan c:\cpgzlqld.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3324
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 476
        5⤵
        Program crash
        
        PID:2080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 3324 -ip 3324
1⤵
PID:4572

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

cpgzlqld.exe

Path \??\c:\cpgzlqld.exe
Size 95KB
SHA256 f1e248b2af4fb55a67ec291a909012315c530f6cd174dd1e390d7ae3df8b4068
MD5 245ad1faf3993b075092a6b78d72e989
SHA1 3e6683304c9ec5482f0b988802201287a75b4d7c
SHA512 c6ff570a7698d77d947dc30dc9cc7acdb27e516e7b02babe67b51f673535531e00ebe4e500e9c4ef3091a1f81ed15a88fe4537e9db5246c0e6b051f796168387
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlH:QSABNx6vb4RoI4pyjHYLhal01UoPX7
TLSH
T1C3A3AE0BABAA58D9E120BD70156D377597EF846E3B2497978348FE4E9433CC0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

rjbqyhe.dll

Path \??\c:\nttmt\rjbqyhe.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/1556-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3324-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/6004-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/6004-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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