wannacry | fc849725187a811a219d5aecb22ee7d502a0007512386e76899a76be67ebac07

Resubmissions

22-01-2025 12:04

250122-n8tcpswncm 10

22-01-2025 12:02

250122-n7fp8awmfl 10

13-05-2023 03:12

230513-dp9kgafd59 10

Analysis

max time kernel
600s
max time network
601s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
22-01-2025 12:02

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General

Target

2023-05-12_e35e427cd5131bd06793f67ab0465cb6_wannacry.exe
Size

3.6MB
MD5

e35e427cd5131bd06793f67ab0465cb6
SHA1

e47ffcea00cda8aa4d4343807a075ed6bec0c91e
SHA256

fc849725187a811a219d5aecb22ee7d502a0007512386e76899a76be67ebac07
SHA512

7831096c6c2a6663cba2b405e7bc9045d19447f7c63cb107205eb83da65ea6f561111884a310c15da954e0d9a6deb62c201a2b2e4738fc14ef22dcaca78ec422
SSDEEP

98304:X8qPoBhzhaRxcSUDk36SAEdhvxWa9P593R8yAVp2:X8qPehCxcxk3ZAEUadzR8yc4

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 (14596) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

Executes dropped EXE 1 IoCs

pid	Process
1496	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2023-05-12_e35e427cd5131bd06793f67ab0465cb6_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	2023-05-12_e35e427cd5131bd06793f67ab0465cb6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2023-05-12_e35e427cd5131bd06793f67ab0465cb6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2023-05-12_e35e427cd5131bd06793f67ab0465cb6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2023-05-12_e35e427cd5131bd06793f67ab0465cb6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:844
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1496

C:\Users\Admin\AppData\Local\Temp\2023-05-12_e35e427cd5131bd06793f67ab0465cb6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2023-05-12_e35e427cd5131bd06793f67ab0465cb6_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:4756

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2988

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
0990e5f5e1679fb8c77789ae8261378b

SHA1
7892d114422d962e1da1d9c72a321801c72a2d2a

SHA256
d2e6e6e771de9a1254736dfa538c8f5e069c4fec375d4bee3bbbc11c4e781f7b

SHA512
85d7968d218d57ea80fdc0996ca7fe8450c4a0712a32248ed0e6f9b599426c350b5c7642e7e275f102ab81844e50c98262f2fa75c92de5818efe334276cdb18c

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