wannacry | f656e50d00e6b8ed40f9b99e02392b735679fc2de8ed6084c9c914ae01300726

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
26-08-2024 00:21

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General

Target

c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe
Size

3.6MB
MD5

c1e63bab950aa51d7b01b19d31883096
SHA1

5670f727cb96e277a78ffe3648cf4ed8f97d9e0b
SHA256

f656e50d00e6b8ed40f9b99e02392b735679fc2de8ed6084c9c914ae01300726
SHA512

b1f910bc7f63b9b617429aa99344aaa7bf607bd9fee28a877ef42bbb0fafb4327ca6ce8728c0e0616855c95863767a36ccbd984e90c90a4b19884b5906750a62
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz66quYAMEcpcL7nEaut/f:2nAQqMSPbcBVQej/1INRBAMEcaEau3N

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3307) 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
1200	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	c1e63bab950aa51d7b01b19d31883096_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	c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3860
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1200

C:\Users\Admin\AppData\Local\Temp\c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c1e63bab950aa51d7b01b19d31883096_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3352

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
64c3fa0f8c186e06ce5ae059331e5aaf

SHA1
b192c0283c5f8a15970d6bc4e5bac73bfb7ee84e

SHA256
37296f32bbfda264ba5521f93b548346e5b504c494a330652fb2ca29db61808d

SHA512
4fef70f23c29ecc27cce1af24c8c4adb86acd0d2a76a256753fe55813103638c7daa8baca9d2f53e57c8f2b140b2a2bc7d98423332c1bf8994fc8b188741d07b

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