wannacry | 7f880e0dbb223e09202984067cc46434461bb5f0816c422c156a6fb2d139408c

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
23-09-2024 12:25

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General

Target

2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe
Size

5.0MB
MD5

0eda907285c2f7c50aefe1bd98e60490
SHA1

358d56f9ff98ce04ece183a0c32e02dc573a615b
SHA256

7f880e0dbb223e09202984067cc46434461bb5f0816c422c156a6fb2d139408c
SHA512

152e1296c942f8b07868cf17e15fa87b95ad977c9831aabd1b608d4d3ee71c252cb7f9b396127642f79f10e2c18be2a814b8e35911f92ea48e2f9d97481599d3
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9PbyAVp2H:yDqPe1Cxcxk3ZAEUadbyc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3228) 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
3668	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	2024-09-23_0eda907285c2f7c50aefe1bd98e60490_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	2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5560
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3668

C:\Users\Admin\AppData\Local\Temp\2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-23_0eda907285c2f7c50aefe1bd98e60490_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2684

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4300,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=3860 /prefetch:8
1⤵
PID:3020

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
d1d8c7a8033a3d53b8393e3bf120ba6c

SHA1
156e84fcaa8bdc9703744839f46df99c7583957e

SHA256
05441fbde9a0d99029f9c268a1086400bf92a0a6353a72d16303ee100651bc91

SHA512
a080338218d152871f71eb88b78f94240cadb8f7b79bcbde466daa06a1897e9594efb0cbb2359f9d58649e618898f0c2b4760b96160ec7cd17aff9c1433c363c

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