wannacry | 6aaf7f2665f77ae5b9ab560abcab5fdeb95bbfabba1922daa9509547dec78931

Resubmissions

28/01/2025, 02:32

250128-c1nlpstrbw10

25/01/2025, 23:18

250125-3ase3stmgw10

Analysis

max time kernel
59s
max time network
60s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2025, 02:32

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General

Target
2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe
Size 5.0MB
Sample250128-c1nlpstrbw
SHA256 6aaf7f2665f77ae5b9ab560abcab5fdeb95bbfabba1922daa9509547dec78931
MD5 cafff9fcf64d3db867bf6c0bb6917e5e
SHA1 327e9782b0bf99fa6060f3a971c97c1a7c41dece
SHA512 46f5fbcd316eae7129f6650887eb6d38866f7616b6ecc96b4ba379a83ef75b8bda60cf74ebf0a7ee431d021d9ab9303e5c71e0f915d62c5bb828031c1e8c42b3
SSDEEP 49152:XnAQqMSPbcBVQej/1Wx+TSqTdXHVKzT6SAARdh:XDqPoBhz1WxcSUjKzT6SAEdh
MD5 SHA1 SHA512 SSDEEP

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 (795) 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
744	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_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	2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_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\UNCAsIntranet = "1"	2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3360
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:744

C:\Users\Admin\AppData\Local\Temp\2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-25_cafff9fcf64d3db867bf6c0bb6917e5e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2996

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 641a44c7a3b811376afef0489492bc3bb5f333dd70b767b9d28dd31e44b17e57
MD5 a56fed8a8a3fed1c79209334f1c2e67b
SHA1 0d81e451ba2486307d258354f681b008d93a60af
SHA512 509ddfb636beb5a2d27b7e87e5be4b9a9fe09c691627516ea54d3e79d5a1cc23d429c5553c51984941a0e744f41e1937b2215c136664ab12438c9f01f626eecb
SSDEEP 49152:nQqMSPbcBVQej/1Wx+TSqTdXHVKzT6SAARdh:QqPoBhz1WxcSUjKzT6SAEdh
MD5 SHA1 SHA512 SSDEEP

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