wannacry | b55fae7f3d19d8dff2291ad3c459ce3887c15f3f45f49bdfd66a6e74c2a1584b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 09:03

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General

Target

2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe
Size

3.6MB
MD5

e10e0f13876ea0f7dbd5bad42f879c31
SHA1

f6a4e945d6a071051c38752555d5f7425c252592
SHA256

b55fae7f3d19d8dff2291ad3c459ce3887c15f3f45f49bdfd66a6e74c2a1584b
SHA512

142ecebaa53f860016c1c1f39a5cdab08b5b98f396bed838e3bb6014832827e65b97ced75b101c1ad8889ae7cc6cbcc72e937fbb7da74782e459b53e96f0a8b9
SSDEEP

12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D0r452:XbLgddQhfdmMSirYbcMNgef0Br45

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 (3162) 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
836	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	2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_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	2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_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"	2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1616
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:836

C:\Users\Admin\AppData\Local\Temp\2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-04_e10e0f13876ea0f7dbd5bad42f879c31_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3748

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
c00f50109f2650c8ce47282ffc68e81d

SHA1
2dcfdb027019b50d435be39096fdca1136e3fd52

SHA256
06212190f2f30d0207a78ac2b4e0c89873088c819d46b7d46e2b7524ed77817c

SHA512
4f4761ef2d1952f506e043a4c84def1bac4cb2709849419905f6751b7ded2e343a17610d402ab41ad6bda000802ab96dbc188c753232054b27da6a6d429de41f

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