wannacry | d391a9305b6a45be208ce20b59395e95d5baa1c342bc37b8af201dd5601f72ff

Analysis

max time kernel
150s
max time network
155s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/09/2026, 13:27

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General

Target
2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe
Size 3.6MB
Sample260908-qqcnca1eja
SHA256 d391a9305b6a45be208ce20b59395e95d5baa1c342bc37b8af201dd5601f72ff
MD5 ad6afe28d46c32ba37c11da6c68ac41a
SHA1 d19821a1a98833420399773f3437cfb5a65e8900
SHA512 4d92bc4c2b5d057e9b4ff7d41526c258923849b4d2b9d379e82f32022ee428444a2d3c0e9bf1e57c2c98dea6fc8341ceafff4be5b91d18b18057352455c50d6a
SSDEEP 3072:QV+LydVaND9yF3U3aILEVTCW5DgSglPcTcMXaDfldx0dFJtkoeV0XXw:GE9l9y+qIYVTH5DgSg8ajldktM0XX
TLSH
T1E406CF0A36DC80B4C46AA67094B74B24E7B2BC0E5639C64F1B64DB6A0E73391F975F13
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery wannacry ransomware worm

Malware Config

Signatures

Family: Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2775) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
4976	tasksche.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2940	4976	WerFault.exe	91
5600	4976	WerFault.exe	91

System Location Discovery: System Language Discovery 1 TTPs 3 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	tasksche.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4976	4920	2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 276
    3⤵
    - Program crash
    PID:2940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 280
    3⤵
    - Program crash
    PID:5600

C:\Users\Admin\AppData\Local\Temp\2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2026-09-08_ad6afe28d46c32ba37c11da6c68ac41a_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4976 -ip 4976
1⤵
PID:296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4976 -ip 4976
1⤵
PID:4368

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 2.0MB
SHA256 b0b89fa58d59819b6e79b5ee3e5d1d878b4d29272038b34fe5857d1094cd94ba
MD5 1e615106ec4bf4d39b12a279d88d558f
SHA1 e0f75a1589109f12f396595cd489b1a65f275a77
SHA512 78b67f45244b5fc02ca0ddb48ad4a9cb22401f21f84e87d18368a4cceb9ea5a1ae084fd9770dee7f0fa23e57a2fac9775f292e2ec72bfaf2ec988e981d2efe04
SSDEEP 96:ChrAb4Q7HuLm3fnFt6WdeTyrMtkI78UJnpdhgvg:EAr7amPF5deurE78UJnpdhgvg
TLSH
T1B295C75671D82B21F3BB2D716235971003707A569CA6C3CD27F8AC4A3D22B78E933522
MD5 SHA1 SHA512 SSDEEP TLSH

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