wannacry | af37f508a75c46c03915f35793b8baea5024e654bbcfa8bcf5972014cb1a5e25

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
13-01-2025 02:43

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General

Target

2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe
Size

3.6MB
MD5

31b89327f13db598cbb6e74b37473f7a
SHA1

31e7e02926bb4027e86ca74b5b7a006229b35651
SHA256

af37f508a75c46c03915f35793b8baea5024e654bbcfa8bcf5972014cb1a5e25
SHA512

b865afc788cb08eadf04913ddc9f7fe0cf22371bddc666ca123e57d31568db726d430f37c13c4753e7ead071aa4d0bf892463d1e015ca78a62135953f3fd5dff
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo:yDqPoBhz1aRxcSUDk3

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 (3214) 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
2696	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	2025-01-13_31b89327f13db598cbb6e74b37473f7a_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	2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2796
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2696

C:\Users\Admin\AppData\Local\Temp\2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-13_31b89327f13db598cbb6e74b37473f7a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4148

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
9be2f3abcd87afe18d49359463343d9c

SHA1
c1ade0607e8b5027fee8490df5a531d9156fc2d1

SHA256
9496d89bda796c76832dd8ba54842a16948da79d40d96ca03b9c3f0192908840

SHA512
b28f19e6b3a818858ecf341480d86e5ae3e92f1d3a3ec397202b4cbe688ccba55f171715fc56f7ed6fcf7598be03cf39ca72567f624ab2b23ff21583d82fb527

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