wannacry | c2d6eb0a76b139b02342c1d5d75c1b744afef9052777425800bc90d1462b4f47

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 13:14

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General

Target

20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe
Size

5.0MB
MD5

c2518e860b9fe614dd7a0d4ebaf1eda2
SHA1

d9be161a6fb4b79f10ceafe30109a2599dbf75d0
SHA256

c2d6eb0a76b139b02342c1d5d75c1b744afef9052777425800bc90d1462b4f47
SHA512

042ab2d148e9c08bfa21e79698229ad1e609d6a9c27873dff91d03b1c8b091d56f4baa715489bd9212abc7e530fc7e12d1924fa75744abca4085c36e789bbd5f
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:XDqPoBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3202) 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
2500	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	20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.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	20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe

C:\Users\Admin\AppData\Local\Temp\20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2976
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2500

C:\Users\Admin\AppData\Local\Temp\20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe
C:\Users\Admin\AppData\Local\Temp\20240915c2518e860b9fe614dd7a0d4ebaf1eda2wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:744

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
db536d575fb12abbf80121ae8f9b9be5

SHA1
b04983746b08445a3ed081080d26338fde45f76f

SHA256
7998dddf5f55e58945f5e747b11c2f03a14196577ece133b8587a5a5ec8c7b22

SHA512
324906ce8402dcb37bb4aff45455a95df2685df7a9d5e5648cf0d7bf4a19b141a88c6abadd1245226097bb0749a89261ae33ab77391056ce3ecf58b18e041ad7

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