wannacry | 871880c55af41d17b5eb105e1c6f6d870e0ee586c1de26568cb9ab5bd2c18930

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
21-09-2024 06:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe
Size

3.6MB
MD5

ef349bde935e74a03f4ef0ff72d2addd
SHA1

c5a111da3023d071c8a6aa48e04fe180d0c9ec1f
SHA256

871880c55af41d17b5eb105e1c6f6d870e0ee586c1de26568cb9ab5bd2c18930
SHA512

85366d2cef39942687fd661f6d0e3eee9eb7f602c5560747a1672b57584e98bc6e45f1733b4fba5e3e6becf3fc4b7d135cef9140580e4ae025b27c624d3a541e
SSDEEP

49152:XnAQqMSPbcBVQej/f//9GUq66xSXr+aAGsAjaC:XDqPoBhzVGuXAGfT

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3217) 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
4860	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	ef349bde935e74a03f4ef0ff72d2addd_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	ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef349bde935e74a03f4ef0ff72d2addd_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"	ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5112
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4860

C:\Users\Admin\AppData\Local\Temp\ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ef349bde935e74a03f4ef0ff72d2addd_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5052

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
93566316e66b9f501e94bb173af3e74b

SHA1
fbaac0344b735275924fd8b0e0cb9ef908c0e960

SHA256
4ed839e650553f9ea21e1bb4bcf23cac8df72ba64b0f122729e2dfd1c1678ce5

SHA512
d87991941135dd42b502d7ac547089b80198c389e8fbd170ae8ab18348880c1729bc7ad5890a72e71137201349f932dbd260f1220cb8d3201332140a0b3911dc

Download Submit