wannacry | c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 12:27

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General

Target

c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe
Size

3.6MB
MD5

2a4bceb90f5cfe83da4e3344a31341f5
SHA1

1b9a9fa1cd2e95c3ac014df06f2392b8964daee4
SHA256

c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f
SHA512

e11c9475b237af52ca343f39117caffcaf6510f4f7ac2c49a03392c5881569084987e29ac8e6996acd2ec890089ceab82c7ed3bf1222f75e554ee440a1c7d5bc
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhB3R8yAVp2HI:XDqPe1Cxcxk3ZAE1R8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3231) 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
3000	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	c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.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	c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.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"	c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe

C:\Users\Admin\AppData\Local\Temp\c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe
"C:\Users\Admin\AppData\Local\Temp\c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2264
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3000

C:\Users\Admin\AppData\Local\Temp\c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe
C:\Users\Admin\AppData\Local\Temp\c7e7c351bb813ceaf6047a0f94c7cd0a69291e15ea324f0a9440c1cbf8abba9f.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4872

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
a38c4da87ade9b891dbbf52035d57731

SHA1
b5bd47555b2b14c0968a9c9c0899e1c5f6d57efa

SHA256
469d7c863c384bf121b6001587a783f4cd9c57ecef2ed736d742172b604f5a2f

SHA512
12e060d5e868d579e8193ba984456e700169926e4a5045f401477bdd06befff2ce2c176dad1e29ca28f33cf4e3dd1e96c0b31e146bb9508b8ece644589ac7366

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