wannacry | 1bf86b3bde4e64227251edb1731ea4115e74200223636282654209dc8c30a756

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 23:47

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General

Target

d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe
Size

3.6MB
MD5

d74a0fafca14d5c21731185d9f998830
SHA1

a04ed6074bd7dd0586fe12b7f5700cdf560fd302
SHA256

1bf86b3bde4e64227251edb1731ea4115e74200223636282654209dc8c30a756
SHA512

2eb50c6f112dfbac9c4f8aca02f2fbb683c20db5a32f1c616236a31e229a08614788fa04e8c07d537a306125a67b0a6818dbf9b2fa71aff1ad86e1a4bd9ea1ad
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAOxWa9P593R8yAVp2HI:yDqPe1Cxcxk3ZABadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3288) 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
2028	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	d74a0fafca14d5c21731185d9f998830_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	d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d74a0fafca14d5c21731185d9f998830_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\IntranetName = "1"	d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2240
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2028

C:\Users\Admin\AppData\Local\Temp\d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\d74a0fafca14d5c21731185d9f998830_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1500

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
3d2d1c3b7ba39543af5d35270c146e95

SHA1
c5cbf6d3648c50635a42f340c7164070970fb66f

SHA256
a5794d147dff0f4df44348c2f999b6cde9bbb44aa29049c4944143cfbde85ab2

SHA512
f152c021482014e83460b04cceffc4ce6ed78dbca8d06d92512e60fc8ac02f2b0390b9485f36a0364dfbbe34bdd33103776552ad72cdbacbd503d90f61f861af

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