wannacry | 85f5061d48750a64b929924d147eed7b0a643b38854fac0f072e2061433e0585

Resubmissions

06-09-2024 04:10

240906-ermddsvhjm 10

06-09-2024 04:04

240906-em4rwawbkg 10

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 04:04

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General

Target

ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Size

3.6MB
MD5

ce9bf2f35c44c682cbc9c2a346815718
SHA1

0d979d19264f092d5bcdc322bd0a057bacdaf39d
SHA256

85f5061d48750a64b929924d147eed7b0a643b38854fac0f072e2061433e0585
SHA512

a507634bec7507e251735a924c57317daeafb5b03704d05fcf89959a63ced8df986d797ea7a2b6ab1880bde57b392f57ef3e7497db1a4fc6c2c0eb1beeaff1b7
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R0:XDqPe1Cxcxk3ZAEUadzR0

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3296) 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
2000	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	ce9bf2f35c44c682cbc9c2a346815718_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	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4296
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2000

C:\Users\Admin\AppData\Local\Temp\ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3304

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
4dbea90de35d581156177c29e90e613c

SHA1
36784aa8642cee16bdf8e5d979c16f74975ff742

SHA256
390e1e514a3215a1ccb49d9cfb4fa66d0c9ad0f74511c48432187430e8032041

SHA512
276599b7e83dd35faa81d05f17dbd8e5692a2aff90a100705b3777be33b6010f428e778672a4a270a927b1286eee28212696026a42b95d8558f58f44a7d7c1d7

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