wannacry | c4ffae0f619877104eebc00210978f0c283ee4d08f41af3d2f7436d3f7aa5f17

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2024 09:32

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General

Target

2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe
Size

3.6MB
MD5

1e8f62d55821a5e78700ec5b63f04283
SHA1

b4f713f912c018fa9ab8a2cfd57537715ab9c92e
SHA256

c4ffae0f619877104eebc00210978f0c283ee4d08f41af3d2f7436d3f7aa5f17
SHA512

6da36680f831a476b97034c2c6fba2bfbc30fc78a0731e51a71b182bec9b181c69098e197f19a951af58ca02284885b9d94fbd877cca1b7bbd24d5fc5462bc14
SSDEEP

49152:XnAQqtKUacBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:XDqPfBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3239) 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
2344	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	2024-10-05_1e8f62d55821a5e78700ec5b63f04283_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	2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3160
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2344

C:\Users\Admin\AppData\Local\Temp\2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-05_1e8f62d55821a5e78700ec5b63f04283_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1912

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
a7063cf78b7be4e2730f2767be15854a

SHA1
2e2373ddc793b84b5bdfbe682b51a3d31d90d3b1

SHA256
c51eb1e41f2ffa314c67609df08f1f57fbc1cc47b36d5ea37a920467fe3444c3

SHA512
5e1ea5f416949830bcc5834f10825340d0138eb81077ae4ced7aefb2f0b755367da02e384183c88ca5a358a9e509ff19bf4ac922778538ba84edb050d28e7df1

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