wannacry | a0f275fc3a37d8bfd81be3fe2411bba2bc8c61e156a8419c7e885193b5f24fb3

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
27-09-2024 17:16

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General

Target

2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe
Size

3.6MB
MD5

7d60e9fd1f214626dd9db11a338196de
SHA1

2c1d36c52026fabefd90bd4e52a4b9ba565071b0
SHA256

a0f275fc3a37d8bfd81be3fe2411bba2bc8c61e156a8419c7e885193b5f24fb3
SHA512

b1813c6468b455cc148c845f3c43de93409cfcdeb84997e08b9e44dd8bd8bb16b1c7603777457e35ad8cb2735a549695a24560d6bf449d45028648fbecc93765
SSDEEP

49152:2nAQqMSPbcBVQej/1NaEau3R8yAH1plAHI:yDqPoBhz1R3R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3157) 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	2024-09-27_7d60e9fd1f214626dd9db11a338196de_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	2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5744
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3668

C:\Users\Admin\AppData\Local\Temp\2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_7d60e9fd1f214626dd9db11a338196de_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:852

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=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
1⤵
PID:5140

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
6b8879e3d8113822e4642fe1a6403092

SHA1
ed071f1f0bc8e4e9859308510e18fcc2fa8c98c5

SHA256
51439a012ec2f3738e3bccbc1f384fa569b88e2806ba5641a27d76a0a601452a

SHA512
75f055c9544164e2a65092daf5ffb9b7b453653e0baecbb1dcca370db81037951a0f7f7926b72397704869a99bf895a4cd42077676a547e494456b41344b0d24

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