wannacry | 7b67838c4111fa324caeabee6ca1a85fc9eb1569ed7d9b64207aa1d1bdb749fc

General

Target

2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe
Size

5.0MB
MD5

dc2d4c0b75c9f8f19c055c7f9bf103e2
SHA1

072bb8ecf84fa81ee005217dd858f8a832c43bf4
SHA256

7b67838c4111fa324caeabee6ca1a85fc9eb1569ed7d9b64207aa1d1bdb749fc
SHA512

052726dd7f9ad4e9122440290c52ad709efa252ffcd5ffa87741d6e9478365cecb20cdf8c37a526a3159b25d43cc7e837e8882bdad0a03a0439ceead1913ba60
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvd3R8yAVp2AZx:yDqPe1Cxcxk3ZAEhR8yc4A7

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 (3192) 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 1 IoCs

flow	pid	Process
833	1720	Process not Found

Executes dropped EXE 1 IoCs

pid	Process
32	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	2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.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
1576	MicrosoftEdgeUpdate.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5016
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:32

C:\Users\Admin\AppData\Local\Temp\2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-13_dc2d4c0b75c9f8f19c055c7f9bf103e2_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2352

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI2IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTE2MTExNzI1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1576

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
59389f3a0e5ae5ed91c0bcf2e7e228dc

SHA1
d76904e8ce481b5a5ece5da850897b2d7088ebaa

SHA256
26fb67c887db11f22dc2de7c2d24b4433bdcc5c0ac3f2596ad53cd90cc70327e

SHA512
7339c9a84afc66a84307ca419e9cd3ad1427f7bd395a0f723db09540df12e4baafd4fe76ccd3a7eb584befd3e263f8bf68371f3ac06413c31ade429c0a6313d8

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