wannacry | 43f914802e828bdc92afa83027961494cea3f39d16149a5c76acb330405ddc3f

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
18/09/2024, 10:44

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General

Target

e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe
Size

3.6MB
MD5

e8f15b2e6f0f9aa17464487ecb8c3939
SHA1

55ca67d41ad820326aa1cb4aa4780619654eb585
SHA256

43f914802e828bdc92afa83027961494cea3f39d16149a5c76acb330405ddc3f
SHA512

8717c7589303e802f456b4dfb913e6a614a8ed4577d518820c22e5dcd14f59a15406823bd4ee4cf7b36f595acdc819ca18c0da7e039af186670aad93241f1e5b
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQcbqeuEwI:yDqPoBhz1aRxcSUDkxNuEwI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3149) 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
3428	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	e8f15b2e6f0f9aa17464487ecb8c3939_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	e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1880
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3428

C:\Users\Admin\AppData\Local\Temp\e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e8f15b2e6f0f9aa17464487ecb8c3939_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1728

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
0ac08ee38e7d39ee7e3d90f573ad5d8f

SHA1
9e59f5beec0f2fedc275b6d7a9a60315d48e2cde

SHA256
d02a2876429e039e08b74fd02007803343fa2b1f284b2674319d4286fb9ec20d

SHA512
088ffba0dcaa89a81f01cccebd87755d152fbc43e702ac69325953ea5701894d77922e46a4e7c857b9a5aa2cbdfc4a42624075b926e4e8339f6d9400e522ea04

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