2d172ebc00242bb4b7d73ac2982646da5e2d740a0ba221429451693baec4688d

General

Target
2026-07-20_c66cb954a8eae834434c6bdc9e6df59e_elex_wannacry.exe
Size 86KB
Sample260720-c3bd6aft9s
SHA256 2d172ebc00242bb4b7d73ac2982646da5e2d740a0ba221429451693baec4688d
MD5 c66cb954a8eae834434c6bdc9e6df59e
SHA1 801054bb692a079cccbffcd6b119576ba3acf7d1
SHA512 626741608b3fd1169b78f69372c53e4dba2786b5740c0b748e0d72ca949d8f4cce522a47bbd28eaa1188de13029bde4a1e720e92b1e9828c87828590c2efe025
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzls:eSABNx6vb4RoI4pyjHYLhal01UoPXY
TLSH
T144838C47ABA958E9E1206870162D673493EF946F3B249BA38384FE4D9533DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1120	hjzxzacb.exe

Executes dropped EXE 1 IoCs

pid	Process
1120	hjzxzacb.exe

Loads dropped DLL 1 IoCs

pid	Process
2612	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
3444	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4344	2612	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	2026-07-20_c66cb954a8eae834434c6bdc9e6df59e_elex_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	hjzxzacb.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
3444	cmd.exe
3424	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3424	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4548	2026-07-20_c66cb954a8eae834434c6bdc9e6df59e_elex_wannacry.exe
1120	hjzxzacb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 3444	4548	2026-07-20_c66cb954a8eae834434c6bdc9e6df59e_elex_wannacry.exe	90
PID 3444 wrote to memory of 3424	3444	cmd.exe	92
PID 3444 wrote to memory of 1120	3444	cmd.exe	93
PID 1120 wrote to memory of 2612	1120	hjzxzacb.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-07-20_c66cb954a8eae834434c6bdc9e6df59e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_c66cb954a8eae834434c6bdc9e6df59e_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4548
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\hjzxzacb.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-20_c66cb954a8eae834434c6bdc9e6df59e_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:3444
- - 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:3424
- - \??\c:\hjzxzacb.exe
    c:\hjzxzacb.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-20_c66cb954a8eae834434c6bdc9e6df59e_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1120
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\shnlywwo\brrni.dll",DoVirusScan c:\hjzxzacb.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2612
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 476
        5⤵
        Program crash
        
        PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2612 -ip 2612
1⤵
PID:4908

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

hjzxzacb.exe

Path \??\c:\hjzxzacb.exe
Size 86KB
SHA256 2e679597959a582baae1509f716cfb5d3a296d4b471ddebc534dc556483c51e1
MD5 4072d15a90aeb5e3407358d1deabcd44
SHA1 7c33fc9edcea9749c23bc5f5e35282635a04675e
SHA512 d98ec7393f5ccea0665b74aaebfeee414a418bfe4ffc5d90d5f91a76306afac17fdc894ec3607a7d6a80ea7bd4193bcb92f1632d0c5c7c3e6dad058e6fcfa497
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlg:eSABNx6vb4RoI4pyjHYLhal01UoPXs
TLSH
T124838C47ABA958E9E1206C70162D673493EF946F3B249BA38384FE4D9533DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

brrni.dll

Path \??\c:\shnlywwo\brrni.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/1120-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2612-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/4548-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4548-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads