wannacry | 4f39b7af2abc81571c2c4a1bbeb336b7828aecbfc13609e7d9fd868f47abdc69

Analysis

max time kernel
150s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 05:05

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General

Target

2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe
Size

3.6MB
MD5

e703af18fd99162aecb47cedf6a3c1ef
SHA1

cd3ba649a964dddbff7b48e03d8e17101fb94ecc
SHA256

4f39b7af2abc81571c2c4a1bbeb336b7828aecbfc13609e7d9fd868f47abdc69
SHA512

d99464a04c8734851a642d829a5918114967798894d50cf024f410a93d84607e125112a04a30348915185fb4394713c986f8ebc3ce97ea6836531deb09931490
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAn593R8yAVp2HI:yDqPe1Cxcxk3ZAnzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3203) 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
3208	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	2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_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	2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_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"	2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1572
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3208

C:\Users\Admin\AppData\Local\Temp\2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_e703af18fd99162aecb47cedf6a3c1ef_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1212

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
6e9324830d72554cabe15e402bf8708a

SHA1
65765eac554f96bff88986a556f3f84eb16bb015

SHA256
54cbba6d9dee94900bd7a40467c520cd840fb28d1dcb300fa468ba7b02c93bf8

SHA512
626fdf3d440bd8f7e3e8c26a7317df22fd350617a5e18569c7a2d2a954991a242880cf5b5de63f233589e957292113bc56cfb0e2c4c92097d94b4bcf7fe097be

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