wannacry | 285adae0dce35ae933b396c0026b7e797555737154e89dda38031b43c0520856

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2025 21:39

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General

Target

2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe
Size

5.0MB
MD5

4f5f9ccda51602514a0a6273ba2bde89
SHA1

bb6f7a19b146eb415d098c4034ccd7b99af7c2ca
SHA256

285adae0dce35ae933b396c0026b7e797555737154e89dda38031b43c0520856
SHA512

5b7a1631ce64393f3367d5dbacf8d22e1cc6591171c82d0a563992774d92ef2d410b3dabb653461e4ccdf4dfe46d0d3b14909cd06315abb075f9761268e141e3
SSDEEP

49152:XnAQqMSPbcBVQej/1Wx+TSqTdXHVKzT6SAARdhs:XDqPoBhz1WxcSUjKzT6SAEdhs

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 (3193) 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
1932	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	2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_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	2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_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\AutoDetect = "0"	2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2232
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1932

C:\Users\Admin\AppData\Local\Temp\2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-30_4f5f9ccda51602514a0a6273ba2bde89_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3820

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
a56fed8a8a3fed1c79209334f1c2e67b

SHA1
0d81e451ba2486307d258354f681b008d93a60af

SHA256
641a44c7a3b811376afef0489492bc3bb5f333dd70b767b9d28dd31e44b17e57

SHA512
509ddfb636beb5a2d27b7e87e5be4b9a9fe09c691627516ea54d3e79d5a1cc23d429c5553c51984941a0e744f41e1937b2215c136664ab12438c9f01f626eecb

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