wannacry | 7017f99e75ed549860c22f2e3ca8b2eb217c8d9eadd30a9014f2e90c8dc8f2a3

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
31-08-2024 05:57

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General

Target

cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe
Size

3.6MB
MD5

cc534d777aa076b4529573fe4208cdf9
SHA1

c460672303b4a80b56fc437e784acbcfab6462f0
SHA256

7017f99e75ed549860c22f2e3ca8b2eb217c8d9eadd30a9014f2e90c8dc8f2a3
SHA512

d7b133292783fb6430da0fb8a229098c3fb68733bc63b440ded204090c1cb05e240e0598563e7b66c8a987715cca348cfa5009e58c046024fc6bedf21c24e89d
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593Rlo:XDqPe1Cxcxk3ZAEUadzRl

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3302) 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
4016	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	cc534d777aa076b4529573fe4208cdf9_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	cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc534d777aa076b4529573fe4208cdf9_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\ProxyBypass = "1"	cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3036
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4016

C:\Users\Admin\AppData\Local\Temp\cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\cc534d777aa076b4529573fe4208cdf9_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4704

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
4f90e7acf48c37176e08ea8956b58a87

SHA1
b695ee9a7c62f5efc979c1a237c2865e18c62b96

SHA256
5b469def37a18f23fd9bde2a30ac22882d670a36af9ac4088eb28a6129ecb719

SHA512
1afb495d8189622b2ad5aa4cadf67fa9161df9894fea13799b0e93568ed1f7dbc435daa8f82be59786532e0e6f41cfcef2c919bf4c1effe1cc189294404ecedf

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