6287321262a1174344efed3b41ae050715109ac24db06a6f151e5ec52e817972

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
21/08/2026, 04:25

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General

Target
2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe
Size 44KB
Sample260821-e2bdwasgld
SHA256 6287321262a1174344efed3b41ae050715109ac24db06a6f151e5ec52e817972
MD5 6dbc58a88e355e29b769a60de5c6b3c5
SHA1 89c7769d395fd08bb3e6e5c494e98c54ad2a50a4
SHA512 45a1423a94104a0ca25d6c9a08c31cf5dddf5e9ca9ded3d33364dcdacf153826326c03574e7e8b452378839f7034a745aa0be9ef6c269cfd3072dff641d732a0
SSDEEP 768:2HN/Ua8DqjxUnvRDv2hqNUuVJBUZ35VBZDrsnhIofYazxwL5G:EN/XliR7mqSEJBU1AnhIoXi5G
TLSH
T1B7136B02F3A501F9F2AA09B43CEB2B37623E79B416518587E770CE685CB5692F439307
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\intelscard.sys	2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\EventSystem\Parameters\ServiceDll = "C:\\WINDOWS\\system32\\es.dll"	2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\usnsvc.dll	2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\msnback.bat	2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.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
2224	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
664	Process not Found

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 3760	4040	2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe	86
PID 3760 wrote to memory of 4296	3760	net.exe	88
PID 4040 wrote to memory of 4300	4040	2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe	89
PID 4040 wrote to memory of 2224	4040	2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe	91
PID 4300 wrote to memory of 5060	4300	net.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_6dbc58a88e355e29b769a60de5c6b3c5_elex_wannacry.exe"
1⤵
- Drops file in Drivers directory
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\SysWOW64\net.exe
  net stop wmdmpmsn
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3760
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wmdmpmsn
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4296
- C:\Windows\SysWOW64\net.exe
  net start wmdmpmsn
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4300
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start wmdmpmsn
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5060
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\msnback.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2224

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

msnback.bat

Path C:\Windows\msnback.bat
Size 258B
SHA256 c48ceb92734a4772ceb29e37d855f863393f1bee55a90bfe15ccaccb5a5b4920
MD5 581fc5b1feb517f70c4acd65dfa7c379
SHA1 5efaeb793fc692095eda58aa13beefe9e7fb8e65
SHA512 bb907c9c8ea307f5b1acee4b44285b8e3055e413a0dec9a798509a912ca16168226b26bbef6a1e8cdfc027fdbabf67af50650aacabc3e69079acd5c746fa08d1
TLSH
T1B3D02B54C0BDDE931454B01F0D224B8AD054BCA5375C2F010221C6C4608144EFD96B40
MD5 SHA1 SHA512 TLSH

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