wannacry | 4e2dfb3b69c083af2bb1ba5d21f14a83545e408f37c7a90cfe295104c965f37c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 05:03

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General

Target

2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe
Size

3.6MB
MD5

d84e402c448fe7ab19e801ac40128efb
SHA1

d4c8a26e967a75358d9e2f77603a57ecf5fc144a
SHA256

4e2dfb3b69c083af2bb1ba5d21f14a83545e408f37c7a90cfe295104c965f37c
SHA512

92fd7088e691fc41d6108bf6929fee7189fbee8f181555d178d02544e3b3da0c40eff9006f97f21b4c10e1a43d6b189c74fb024a69b7fffa58e3fc88d0837c1a
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626gmv:XnAQqMSPbcBVQej/1INRANv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3055) 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
2852	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	2024-10-12_d84e402c448fe7ab19e801ac40128efb_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	2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_d84e402c448fe7ab19e801ac40128efb_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\ProxyBypass = "1"	2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2548
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2852

C:\Users\Admin\AppData\Local\Temp\2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_d84e402c448fe7ab19e801ac40128efb_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3480

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
3d521e924034ec4afa9d5f719d6b79e7

SHA1
a90745b6757882b3cc7243e69a1460f5c670055b

SHA256
099d7280d844310b12eb19a9c242872b8852f703e3c5f01a0e87d83ef355a69e

SHA512
5af6722e1add04d719e5e85f8af51ddceb4b98e7f169b61c2d98ddc80fa5e5ad2feb2dbf69306e83b81c80784a3c422903f1cf44c99a307afd58cb7ecf63ea51

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