wannacry | 12683643eb17733a7ca655f06db78388ea84a502c690173349bf6cc3c95bd291

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-09-2024 16:07

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General

Target

2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe
Size

5.0MB
MD5

6bd48b0bea8b99d88a97486351dff2e5
SHA1

e0ce7a375fc3ae123c480f40a0b0ccaf39597f9f
SHA256

12683643eb17733a7ca655f06db78388ea84a502c690173349bf6cc3c95bd291
SHA512

086afd8ea2193fc7374193db6fbbff14c7f169318dfcfe3c254154eff663aa31aa43da32719e377ed4e40257bbe0dad25156584b474c70743d9c47506e3a7ed9
SSDEEP

49152:2nAQqMSPbcBVQej/13n4bo3NCdRvWyXeX:yDqPoBhz10o3oWyu

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3345) 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
4512	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	2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_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	2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_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\IntranetName = "1"	2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3276
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4512

C:\Users\Admin\AppData\Local\Temp\2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-16_6bd48b0bea8b99d88a97486351dff2e5_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4460

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=3852,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=3964 /prefetch:8
1⤵
PID:2292

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
919e99bc955ff6f8060c73bdf7522f7e

SHA1
78f1f043dfdc92282c78e6ce4fe0df58d215f130

SHA256
d22b697a018a3fec9daff3f5f7d59266c226749d6fab316d80688bebe10cb229

SHA512
87880e62875a772bbdd0f8a0776218c2e29f2fa8939841aa7464cee89009b8db0d621b42fe5785060a349d07678efa4d0046b72e78ffc1ddc8ab496b16471011

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