aac9186094689cd804b36e79a789cd6c6928ffd28b4c624a2d19a4d04e794d87

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/10/2026, 23:13

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General

Target
2026-10-28_958f5d87b21e6e1366f218ea2c29f572_elex_wannacry.exe
Size 366KB
Sample261029-27nbysty9q
SHA256 aac9186094689cd804b36e79a789cd6c6928ffd28b4c624a2d19a4d04e794d87
MD5 958f5d87b21e6e1366f218ea2c29f572
SHA1 f256ef4a74cd0f8164a6fd5472cea5380907ca45
SHA512 f07eac9ee080c3ec79ed1fed05a0800261bea290fc05189739cd20513032e8c2da4941b387bd7f6014a0b5c9b27bae7a73afe8f89e794b5aadd6c91b2f8ed2be
SSDEEP 1536:o0d346Z73owMJjXhUMxodSZySRWIETmmdN3O26npzTFuGYW738:/x48Pq7IdbTBdNe2IzTFuGYWr8
TLSH
T1CE845A2375D548E6D1C6B573CEB6FA70E3F9C2689D31AA7B47E8124D1F3AD00830A265
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
5108	zgtgfujub.exe

Executes dropped EXE 1 IoCs

pid	Process
5108	zgtgfujub.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
1832	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5980	5108	WerFault.exe	92

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	2026-10-28_958f5d87b21e6e1366f218ea2c29f572_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	zgtgfujub.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
1832	cmd.exe
4316	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4316	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3520	2026-10-28_958f5d87b21e6e1366f218ea2c29f572_elex_wannacry.exe
5108	zgtgfujub.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1832	3520	2026-10-28_958f5d87b21e6e1366f218ea2c29f572_elex_wannacry.exe	89
PID 1832 wrote to memory of 4316	1832	cmd.exe	91
PID 1832 wrote to memory of 5108	1832	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-10-28_958f5d87b21e6e1366f218ea2c29f572_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_958f5d87b21e6e1366f218ea2c29f572_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zgtgfujub.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-28_958f5d87b21e6e1366f218ea2c29f572_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:1832
- - 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:4316
- - C:\Users\Admin\AppData\Local\Temp\zgtgfujub.exe
    C:\Users\Admin\AppData\Local\Temp\\zgtgfujub.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-28_958f5d87b21e6e1366f218ea2c29f572_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:5108
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 424
      4⤵
      Program crash
      PID:5980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5108 -ip 5108
1⤵
PID:3700

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

zgtgfujub.exe

Path C:\Users\Admin\AppData\Local\Temp\zgtgfujub.exe
Size 366KB
SHA256 d9c029c12a4644dfcee5b7eddf2437a82616418eb26ac54f53cf9a18906255c8
MD5 350b138106d58d8fca5b5d74962003cb
SHA1 22619594de78843a4baa6e13cb0a7095145a5a54
SHA512 a23ad85312f967ad76252d04d950b9340f35c670e76c2a184181683ea4c6a69038546fbafb4bbc1e6bc6272147d1bd76889e139b2723bafaf582270ea3356d37
SSDEEP 1536:o0d346Z73owMJjXhUMxodSZySRWIETmmdN3O26npzTFuGYW73z:/x48Pq7IdbTBdNe2IzTFuGYWrz
TLSH
T1E0845A2375D548E6D1C6B573CEB6FA70E3F9C2689D31AA7B47E8124D1F3AD00830A265
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3520-0-0x0000000000400000-0x0000000000455000-memory.dmp

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