wannacry | 272b1a05520b2b7fc39e7cf39d5fd1a88cd6b28360a8976ce48b9a6e43bf607f

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 02:24

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General

Target

2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe
Size

3.6MB
MD5

2819d3c451a46c20a3c7889364ef8220
SHA1

42622a22b4a63d6bf8e69aaa93d436a48a7f0339
SHA256

272b1a05520b2b7fc39e7cf39d5fd1a88cd6b28360a8976ce48b9a6e43bf607f
SHA512

b31b8c53b758d9c9e21937317d5bda8e1bec0c1b449f64b25fd4b6dbe68fd492bb1b3f2c2fe374809ec562a8e45ecbd47f89b016d125b895419521e64961767c
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAChnvSl:yDqPoBhz1aRxcSUDk36SA/hvg

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 (3306) 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
5104	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	2025-01-24_2819d3c451a46c20a3c7889364ef8220_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	2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-24_2819d3c451a46c20a3c7889364ef8220_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\UNCAsIntranet = "1"	2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1852
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5104

C:\Users\Admin\AppData\Local\Temp\2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-24_2819d3c451a46c20a3c7889364ef8220_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5076

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
6cba978f1fb06dd92b55d3d7bb27a41c

SHA1
bb2dffec19821bb4029d7efe2dd487fec0cd6b77

SHA256
5f346c9597294798a2653481e223c5a6c2a0569d64f389c24c289bc745a38a0c

SHA512
9800493590479bc009d3280b7b085eb47291196bb34c53fe2abbb7d4ece7f5a1610ccaf81e829df0119c8f559c6192321523005f3a396b1ce4fdd43d2c9d16dd

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