wannacry | 0f52571c0ecae900ecec1d3675562678eaff257b7c45cf2630d3076f1005e768

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
20-09-2024 02:13

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General

Target

eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Size

3.6MB
MD5

eca40b7a3db3d35f1575bba318cddc18
SHA1

5c9109c28f8ee858f379da48da779e59c9f4fa63
SHA256

0f52571c0ecae900ecec1d3675562678eaff257b7c45cf2630d3076f1005e768
SHA512

a359d725865a9fca4c4d9575ef167b462a4f63893f2107a6fea38ea087e27911ede47e45e4cbe83defe72e3a72ee22141d54724e3ffe9425cd3196d33a114557
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2bC7:XDqPe1Cxcxk3ZAEUadzR8yc4U

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3361) 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
2896	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	eca40b7a3db3d35f1575bba318cddc18_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	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eca40b7a3db3d35f1575bba318cddc18_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"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:916
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2896

C:\Users\Admin\AppData\Local\Temp\eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\eca40b7a3db3d35f1575bba318cddc18_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4176

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
91fa7351595c35f5714efeedaf6f8c41

SHA1
2853412b31e22cb8f155b62421e3b934a259738a

SHA256
77e26681ff771508e6dc59107ddd1f87bbbb012513fd06e1c0331f2c6307ce3c

SHA512
fd8a7bed8147fd38f0cd11b15a5ee34b63c3b2a8c3f75d638a6a44a71f534de392b02a087f2bc502846796ea87c05182e39e2b4b199f5b86625996ed07239712

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