798d5bcda5949d9dc5384ef850e9c2d789b7dae331d2ddc2cd647559114a87ba

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/10/2026, 01:25

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General

Target
2026-10-26_fa8777b151524ccf04bd8ec453821a76_elex_wannacry.exe
Size 134KB
Sample261027-btff3saw7l
SHA256 798d5bcda5949d9dc5384ef850e9c2d789b7dae331d2ddc2cd647559114a87ba
MD5 fa8777b151524ccf04bd8ec453821a76
SHA1 52a2c003368df73f4628454ac403925a7611245a
SHA512 e85c15360ff42e57911811869f1d295da233df288306f66b3a3d7d73f2756573f1f56053093235a970258a4968a2f2fdaffee72dcc1766a4eeaff91f37112214
SSDEEP 1536:qxDQSrO60trm4+GNgEPDrQc9XYfr13zSZZ9v5kDPBQUNxkVnQnJuOP0:YM+GNdDr3Y53zSZ/v2PCe6Qnf0
TLSH
T16CD38D656542C821C140563B6AFAD7F912723DB61E097B13BFA8F7BF08B3944EE0D644
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
2400	pmsujdd.exe

Executes dropped EXE 1 IoCs

pid	Process
2400	pmsujdd.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
3404	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4636	2400	WerFault.exe	91

System Location Discovery: System Language Discovery 1 TTPs 4 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	2026-10-26_fa8777b151524ccf04bd8ec453821a76_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	pmsujdd.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
3404	cmd.exe
3884	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3884	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2584	2026-10-26_fa8777b151524ccf04bd8ec453821a76_elex_wannacry.exe
2400	pmsujdd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 3404	2584	2026-10-26_fa8777b151524ccf04bd8ec453821a76_elex_wannacry.exe	88
PID 3404 wrote to memory of 3884	3404	cmd.exe	90
PID 3404 wrote to memory of 2400	3404	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-10-26_fa8777b151524ccf04bd8ec453821a76_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_fa8777b151524ccf04bd8ec453821a76_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pmsujdd.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-26_fa8777b151524ccf04bd8ec453821a76_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:3404
- - 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:3884
- - C:\Users\Admin\AppData\Local\Temp\pmsujdd.exe
    C:\Users\Admin\AppData\Local\Temp\\pmsujdd.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-26_fa8777b151524ccf04bd8ec453821a76_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 464
      4⤵
      Program crash
      PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2400 -ip 2400
1⤵
PID:1824

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

pmsujdd.exe

Path C:\Users\Admin\AppData\Local\Temp\pmsujdd.exe
Size 134KB
SHA256 fa600fadc3ae760d5af03137df87a55103076387498a824c11282db68c0b1107
MD5 9fb28f3677289bf5dbf4805dc2f9afa2
SHA1 f84c441da5e1830e76ea5b2e44d107a26097ade9
SHA512 bfa754659d14884fc026b3c5d2fe849960f6106f9bff6738af9af4a543d2d1c943965b75ecc9aca80aa68a53f7d6339693da2ad30203d3d03fb64a7bec24d4db
SSDEEP 1536:qxDQSrO60trm4+GNgEPDrQc9XYfr13zSZZ9v5kDPBQUNxkVnQnJuOP07:YM+GNdDr3Y53zSZ/v2PCe6Qnf07
TLSH
T12BD38D656942C861C040563B6AFAD7F912713DB62E097B13BFA8F7BF08B3944ED1C644
MD5 SHA1 SHA512 SSDEEP TLSH

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