wannacry | 0d93e891f792f8421d1ed0c0927b73e7199157fcc071633b4a29c4139dbd363c

General

Target

2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
Size

5.0MB
MD5

a914be94b07e28c75ba94e30e4fcbb62
SHA1

aee703a6371b7d22aed61802a2f46c946b9fb87e
SHA256

0d93e891f792f8421d1ed0c0927b73e7199157fcc071633b4a29c4139dbd363c
SHA512

b0984aa31d6edc2ebee6681bcb9c52ae7cf6c378001bcfe9ed80fa5e396be80c29d076adb7c1fb1bbb5e3eff98913f4d697ca28f3a09b4a85cede963564bfc46
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9Pd0B6GIkv3R:XDqPe1Cxcxk3ZAEUadd0B6GIkfR

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

Downloads MZ/PE file 2 IoCs

flow	pid	Process
184	4352	Process not Found
3882	1392	Process not Found

Executes dropped EXE 1 IoCs

pid	Process
4184	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	2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2708	MicrosoftEdgeUpdate.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:216
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4184

C:\Users\Admin\AppData\Local\Temp\2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-15_a914be94b07e28c75ba94e30e4fcbb62_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2684

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI4IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4NjAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODIxNjMwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0NzgyNzI5NzcxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
864371aab5b81a85b884dbe0372e7775

SHA1
e599dfda4e87536352a89179598fa27ba44c7b10

SHA256
9968e92e7b5e2d1e95194e3abb30534e4c4c533a50b60d7244a42e6bb5ac7fe2

SHA512
1d2b4a0ade70a3bb6bb8ea9bacb07050aa1926369dad8aa93b2f301f4ca881bb7069c2fbf0f62353d239717286b1fc3eedbacf5c6c93ca36ef99960d47286840

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