wannacry | 2d4406079057cb7ad0e122bbcb2f2d6f0109cda01252040e2f67522faf4cc9c9

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 11:56

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General

Target

2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Size

3.6MB
MD5

9415d12c5cee666928d083f7ff1d3649
SHA1

08feccaa4c110b0bab273a2ddff91c69fc348d30
SHA256

2d4406079057cb7ad0e122bbcb2f2d6f0109cda01252040e2f67522faf4cc9c9
SHA512

8de6e8b80985b29880586501be6bd69877c89e59a60cf5ae48e574bf05defdb8f44929083c489e523b033dcea4188ca7b99a1ef689d7add5ac6278a0deb8b952
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQPD8kIqRYoAdNLKz6626Ab4k+RdhAdmv1LJMfC:2nAQqMSPbcBVQeK1INR0RdhnvxJM0H9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3300) 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
1952	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	2024-12-19_9415d12c5cee666928d083f7ff1d3649_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	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2032
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1952

C:\Users\Admin\AppData\Local\Temp\2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-19_9415d12c5cee666928d083f7ff1d3649_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4000

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
87bea472ed36c269d36cab3386214007

SHA1
12a48f8c5edc9e9abe0a84d115433134c36a8ebb

SHA256
325732c128293273df800b05ff71b5bf303241bc83e71170e1c7005598f58871

SHA512
6fc2a5b039e1b265a2d2fda6f4027a6f935aee9a91a616fb0295777bb72aa0bf5a7b7217285952552672b66e6f5482fb9182f63e3a75ba1c94bb5cfb38a083a4

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