wannacry | a5cc632f9594a422eb48441396cc5cd3e8d74b7bc0367f93c7aaedd59325358e

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 03:15

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General

Target

2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe
Size

3.6MB
MD5

2d9a228b92d04a45e0843db8fc4ecad7
SHA1

436976fc01f5ca1a713d44d1ad752ef79f9db888
SHA256

a5cc632f9594a422eb48441396cc5cd3e8d74b7bc0367f93c7aaedd59325358e
SHA512

8fc3b1cfe483717f3817e6a274c1476a24e59267ce7a5690807e6b2709cf379eaf3603f15ad1bff3943f0a716c7412761a1877777194c9730edb7f894455682c
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAkhu3R8yAVp2:yDqPe1Cxcxk3ZAzR8yc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3372) 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
2424	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	2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_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	2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:368
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2424

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_2d9a228b92d04a45e0843db8fc4ecad7_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4492

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
f5d9b6005a003283d9ea7872589dc7a5

SHA1
9ecc991818811d57f56d1f6e674e60e6fc4fff3d

SHA256
9c46b086ccd9c526768e20f5416842ebfdc00249dbd0a07c76c56c89d65fbadb

SHA512
8dfc60ade6b3627e0ad362263fdf80041939773bd394a9c9464e13bccd40979d1bc8d7b64b04448ad107f59fc16253e03ad370e94ebc82d5201d46bb034339ac

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