wannacry | 95f40978f24362e4cd98d2b60d537c344523af91cf4dc336ec953cb92a1298da

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 07:27

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General

Target

2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe
Size

3.6MB
MD5

0cb51b6b90b3728b588574755166f1e8
SHA1

7f1f69025c8f3eba509e58c0f6093549db8af5a7
SHA256

95f40978f24362e4cd98d2b60d537c344523af91cf4dc336ec953cb92a1298da
SHA512

c971d4c4dd6b491b171691cfbc485992cfc5019f6eab2b5c3c40d1642127bdfcea59580c7a622a59974c54016dd7f6e36df009c9a8712b49313f4ed3fabe04f5
SSDEEP

24576:2bLgddQhfdGMSirYbcMNgef0QeQjG/D8kIqRYoBn:2nAQKMSPbcBVQej/15

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3361) 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
1104	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_0cb51b6b90b3728b588574755166f1e8_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_0cb51b6b90b3728b588574755166f1e8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5104
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1104

C:\Users\Admin\AppData\Local\Temp\2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_0cb51b6b90b3728b588574755166f1e8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2272

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
a9b9174ea0c648f02aed2815324f743c

SHA1
dc46e4b97973307c572c28d6f8374a85c21709cc

SHA256
0d322257da5349eb0997bc04b88a2b19b84885e2444a784dde194b0e2b1a1438

SHA512
c9b8e22e6439b59f2994eb4e2a7919505f517b57e8c4295ef436fd8a1e96246a47ef864f761294924fa9e163901fbaa593ef8557385a4e913de3505862feadc7

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