wannacry | b086c64cdbda9f6340530855f30f6a71c9e75007bc29d0c65e104ce6a3a68be3

General

Target

2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe
Size

3.6MB
MD5

2e5339a3ccfbe606059fcbd4ce71455e
SHA1

cc2c34216a989d887b708239d070c3135e86c7b0
SHA256

b086c64cdbda9f6340530855f30f6a71c9e75007bc29d0c65e104ce6a3a68be3
SHA512

a7c6b8bf8e87ec1ffc63dd1ffee9c2dc14a0e84b3e736a59f3048a26adba78dce745f373fcf05fec67f497c2db9973b185e1e46aa8943ec8e4d5bbd98c4574d7
SSDEEP

98304:Z1PoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:Z1Pe1Cxcxk3ZAEUadzR8yc4HI

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 (3375) 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
762	3716	Process not Found

Executes dropped EXE 1 IoCs

pid	Process
748	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	2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasksche.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
2296	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 748	2304	2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe	86
PID 2304 wrote to memory of 748	2304	2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe	86
PID 2304 wrote to memory of 748	2304	2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe	86

C:\Users\Admin\AppData\Local\Temp\2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:748

C:\Users\Admin\AppData\Local\Temp\2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-14_2e5339a3ccfbe606059fcbd4ce71455e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:5116

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTIyNjQzMjMwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2296

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
2c18486f6339720ec586e8946c070df0

SHA1
af841da81bfecd5664d25e926e9d5a3a63f8a49f

SHA256
93410da7bdcf5637ff245e2feae1756253796ebfbb42abad0597173e3fe05924

SHA512
e0695af5e74bc919ce59012b7d4affadc5910dc8de062875d08ea36f1fca01e9c9dc17de2106f200c792e702770ff49f9cb2e7fb064dfbe3bb90c2fa6ab488c7

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Analysis

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