wannacry | ed6403d3aeed64dd82374588e0bc4c34301cbfb42dd8e1f8de4bf925be0f9ff1

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 17:11

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General

Target

2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe
Size

5.0MB
MD5

ee5c7fc9c26f78587fd0dcf1745de465
SHA1

b5c5ba2c690cca88a1d53ea3801b5a72c2a601d2
SHA256

ed6403d3aeed64dd82374588e0bc4c34301cbfb42dd8e1f8de4bf925be0f9ff1
SHA512

1a10745dafa33ea8e778444f690c68e00a1184f0fdfc805c1c04f85aa3cfabca5c00452fe3f006615739df546bd3868227582b777417c823e93d1d0420a3391b
SSDEEP

49152:XnAQqMSPbcBVQej/1Wx+TSqTdXHVKzT6SAARdhd:XDqPoBhz1WxcSUjKzT6SAEdhd

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3323) 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
2536	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	2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1932
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2536

C:\Users\Admin\AppData\Local\Temp\2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-02_ee5c7fc9c26f78587fd0dcf1745de465_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:336

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
a56fed8a8a3fed1c79209334f1c2e67b

SHA1
0d81e451ba2486307d258354f681b008d93a60af

SHA256
641a44c7a3b811376afef0489492bc3bb5f333dd70b767b9d28dd31e44b17e57

SHA512
509ddfb636beb5a2d27b7e87e5be4b9a9fe09c691627516ea54d3e79d5a1cc23d429c5553c51984941a0e744f41e1937b2215c136664ab12438c9f01f626eecb

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