wannacry | 0e700f9cea8c533670c92ecdb0002c95aebdb2ce363e91f87dc2dbb0176bec82

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
27-08-2024 02:10

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General

Target

c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Size

3.6MB
MD5

c431789949567e405d5bd9ad7c1f8a18
SHA1

83ad07ce3b328c4f75150d2645fd869487f0e41f
SHA256

0e700f9cea8c533670c92ecdb0002c95aebdb2ce363e91f87dc2dbb0176bec82
SHA512

27d3008c5ceb344ab5a3b15eae4bd79ef00cb51540f62dc48ab896e7971a5f44bf0f9e2c85f2dbc13c6b4a20532319798238050980414b6af874ec417fab4295
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARv:yDqPoBhz1aRxcSUDk36SAE

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3094) 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
2120	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	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.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	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2932
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2120

C:\Users\Admin\AppData\Local\Temp\c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c431789949567e405d5bd9ad7c1f8a18_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3068

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
d467f3d9f8b7019e0f6e482ae18f5de3

SHA1
da00411a6236cc267f884a0fa2fe64d9d74e47bb

SHA256
230d5515457097130745f0774cf6e704b569b207ffbcfcbcad8e25e5ef14fb92

SHA512
bf3e63074f9b39f059e0b151a1d97c62d1d40a5c2ec7ade145f80682c1fe8bf8f7680e439ba7b745e08e82a69818dea767ba556f37fb604d2d2941cce1ad7fab

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