wannacry | 2dcc3f06cbc1697d14775e4029ede21dc7a737221720c573b040feaaefbbf83f

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
12-12-2024 10:30

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General

Target

2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe
Size

3.6MB
MD5

56eb3f3d8b9c696310fe18023b39381c
SHA1

728ca3614f9d7110566ed9211c8d77e6e0d7f853
SHA256

2dcc3f06cbc1697d14775e4029ede21dc7a737221720c573b040feaaefbbf83f
SHA512

09330e34fd478e7cf55173ec0d1ac555d567872a87e841c55495ea524af04830f21596ee775642912e5802bd41eab4acc3b29b29f51704c7b8dcfaf60619d113
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEca:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

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 (3222) 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
1040	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	2024-12-12_56eb3f3d8b9c696310fe18023b39381c_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	2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2792
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1040

C:\Users\Admin\AppData\Local\Temp\2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-12_56eb3f3d8b9c696310fe18023b39381c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4128

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
e7d320c987af1086908d254f83381096

SHA1
54b8c46c0993ea13e44d402f5e3d65f106bd26e8

SHA256
3a165817c38f37579f515b591bd148fb612a313139af393774db95d6bc787bfc

SHA512
a163bbabaddd10db42d1ecf700d2a17c685cb461220bebbd5c3468a7f02db504ba3c481d24b2bb41757a067dd524cbd708f2fb0fadb7ded498b661fd48bb561f

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