wannacry | 017e254ef6752d19b177341e2b99a44a0c644a0ce96d262e6b26d3c068a46a15

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 11:46

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General

Target

2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe
Size

5.0MB
MD5

1257039eeddcb009f0f412d84bd2c10a
SHA1

556a0d1a1f338d2b0c5778a33720722b32201f98
SHA256

017e254ef6752d19b177341e2b99a44a0c644a0ce96d262e6b26d3c068a46a15
SHA512

159bdc413012832d84a62e950e5db08eeb3874348c5fbcde70cccc6043e0ef940c961810b1aad4f33ca7ce47220da57512962fa64422fc7cc1f8dec06a4e916d
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAY:yDqPoBhz1aRxcSUDk36SAv

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 (3352) 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	2025-02-01_1257039eeddcb009f0f412d84bd2c10a_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	2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:924
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2424

C:\Users\Admin\AppData\Local\Temp\2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-01_1257039eeddcb009f0f412d84bd2c10a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4692

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
4494256f186e5f30737e2d93f9e15f65

SHA1
a58c00600d586f4f4753acec51499a4fccc04d1f

SHA256
1e9bc7de8e823eba8c1898a266545d353e6d4f44ef93c206a8736afc0456207a

SHA512
0af2ca2e362968a156bd88786c6fb4405e11d783af02a14325c64c08ac5b9176d6bbb2d700a556335891eac963ae8e0a3304df8b2993e86d0b4af6e27dcc6f25

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