wannacry | 239bac8383470b4d556cd5581f0472e9a9d3970b27e1f5a2219278587af7ff57

Analysis

max time kernel
150s
max time network
150s
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 16:53

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General

Target

2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe
Size

5.0MB
MD5

5e5e00bb05a333cc8fd27a868b0d879d
SHA1

10a6cbdb267c1e9451ea20c8e97bf03a8d0ce8bd
SHA256

239bac8383470b4d556cd5581f0472e9a9d3970b27e1f5a2219278587af7ff57
SHA512

ad2ed4a3cbce1523ab2fb73abb1b8b2939675450088093c51ec6d785d3fd73ba7f5a5b11bb93162c0f3bed23913ac842a0e954b943b440e985e718a73df086bc
SSDEEP

98304:XDqzz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:XDqn1Cxcxk3ZAEUadzR8yc4H

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 (3291) 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
3212	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_5e5e00bb05a333cc8fd27a868b0d879d_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_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_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_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3484
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3212

C:\Users\Admin\AppData\Local\Temp\2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-02_5e5e00bb05a333cc8fd27a868b0d879d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5028

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
1bbffaa7de860d78de68c363a9c9963b

SHA1
f28ab9e4afabb047f63265640efac8d3b1e00e4a

SHA256
d1b3ad243b579345c41ff92be36d71c6b9c66d04aacbec7820b9453615a58a3a

SHA512
317012fda97f68e68c68e4df44df0a13d391c9852263d53fc2e63fd5f70726cfab6736a37cd8def54da90c4f637c872e3ba2c2d6e192d1be4f59140b3b09eb12

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