wannacry | 39ff5575e216f1cbeab6fec8d2e8176ea08cf578a6b12b0a1ccc65f621e7f85d

Analysis

max time kernel
150s
max time network
152s
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_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe
Size

3.6MB
MD5

2d081f8211ff3d34ac7e779684db99a8
SHA1

7645e5016068ac7f8ec182af8780ddce11118c7b
SHA256

39ff5575e216f1cbeab6fec8d2e8176ea08cf578a6b12b0a1ccc65f621e7f85d
SHA512

6e94b95c50c087ac1757a4d28ef699637a9aff68180189401dcc07e298b61de5336c827322c004d4e072f008d918dab65bd92ad92c1477fe778b5af15ea05291
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQeI:XDqPoBhz1aRxcSUDkXI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3367) 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
264	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_2d081f8211ff3d34ac7e779684db99a8_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_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_2d081f8211ff3d34ac7e779684db99a8_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_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:544
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:264

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_2d081f8211ff3d34ac7e779684db99a8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3236

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
7aef092c54d927bc678b6d2fb3fdd3fb

SHA1
cdc531b750b0ef5ba66d5bf6adef58bb50218d62

SHA256
2c332ff649e379523ddaf3c2edb4a1df483a9a955b09358288c7fdbd59ec3a20

SHA512
d64a729312734f651fd5931e52cb77c9c2fa5a23dde4ee84e1ec5490e42e15892d57dd25254e4176f9c45ceab3825bd6801d14fad120852827f7a1626c0249cb

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