wannacry | bdfa326dfceb90acd4c4de99b0d18767e831643cea41567c28762911b142c85b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 17:46

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General

Target

2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe
Size

3.6MB
MD5

5988c15e68e599593561805b5ff1fa11
SHA1

fcd89707e8c11881d8d614aea60a64bee09fbaf0
SHA256

bdfa326dfceb90acd4c4de99b0d18767e831643cea41567c28762911b142c85b
SHA512

89077e25ead3089abbe8224abd19d9d6868a16fe5279a92627163b6c70d05db36a5276074ffb2c7a7646cb5070922fb4c18a5e5433996bc0824333f6f21f7f75
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5IR8yAVp2HI:yDqPe1Cxcxk3ZAEUadyR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3371) 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
1092	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	2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.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	2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:412
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1092

C:\Users\Admin\AppData\Local\Temp\2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-22_5988c15e68e599593561805b5ff1fa11_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4692

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
6e3f55818db004a5ef6f2ee9f44c84e0

SHA1
76ff043561bd8ca5bd69e14acdabb198093d1b55

SHA256
eea5e42fee349a8133f5231253c52de8fd9a4b948ff2d5cff78b51e571595022

SHA512
9a20bcdc076cc8305807aabdaf37d60580c5f57adcee39402fce1b452f6cc051a81b976fa7d8fa73992d9e1aa3fd1135413d268397a7266dc6d54882fcd93bc9

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