wannacry | 1d72724d62dd1ee9bdfcacdc28bc4d236686c34c85982e67378b8720b97c37b1

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
25/08/2024, 21:23

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General

Target

c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe
Size

3.6MB
MD5

c19d57ee32fd207d897e8191eaa90e51
SHA1

8a49494f42ec388e39bcd7331802aa5068a23b27
SHA256

1d72724d62dd1ee9bdfcacdc28bc4d236686c34c85982e67378b8720b97c37b1
SHA512

30676e174244418a7608a0de7e0d36727da58eb96299e398bec5426e706031e5e3317eee3d4effd8964f0b4ef665c049933ff6636ef7a682cb4bcded4e94cdbf
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D/2qEEgEO6S5:2bLgddQhfdmMSirYbcMNgef0OPO6LL

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3194) 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
2600	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	c19d57ee32fd207d897e8191eaa90e51_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	c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3608
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2600

C:\Users\Admin\AppData\Local\Temp\c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c19d57ee32fd207d897e8191eaa90e51_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2440

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
5e572d58bbe9a11bac1b7416069864d4

SHA1
9aabb7fe71c3a849faa03345b0d2092465fe609c

SHA256
11066c41cf37ab0844560e5113e95f80f8c11538b704514f8ee0829e5f120dc0

SHA512
922b5870c7bb35d7fbc95371c5d39d122b5b8065da1156eb1081eac98fd563e1646b3bb75bb2fda924925c1ff78643a20330b7b4d4466b7ecbd859e5256dd96e

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