wannacry | 1f079b4381242d799176d32c265fa52b0d2ba5ec326184d6403bc3e76f0944b8

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
17-02-2025 22:00

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General

Target

2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe
Size

5.0MB
MD5

cf0552c9e1ec7ca0dfe7beb3a5ad6f22
SHA1

923d0e68e1982c4727d456620d713f52bcd89ecf
SHA256

1f079b4381242d799176d32c265fa52b0d2ba5ec326184d6403bc3e76f0944b8
SHA512

d15d598de16a8f8a83815b0e48e1ace0cd4c6ae84fddf7a4e980813d68ccdf6dae158fc92b1fd4c8df549acb34d7e96d873b9853cf54707c1dd8c3a46c851dad
SSDEEP

6144:GE9l9yNqIYVTH5DgSg8ajldktM0XXrs2QhMV9qbBLIwYQuy8DLq1eNVDvMrHC+VH:GwbLgPluxQhMbaIMu7L5NVErCA4z6

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 (3355) 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
2820	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_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	2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2904
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2820

C:\Users\Admin\AppData\Local\Temp\2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-17_cf0552c9e1ec7ca0dfe7beb3a5ad6f22_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2780

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
c2731bf203ef3fdecbede8359c9d22a5

SHA1
6e042273ab4b1b4ac1bb55bf3b0309f947cfb853

SHA256
ee9af73803af89c52235382669e3c2b7ba87057ae4345b03a6049a8eddf431f2

SHA512
e1236d6a9bf6f64ac6de2eea3ad5603aaaa324295f0e95b2100303551dd947063d135ab9fcb2113903f2cec6c82d8e52606f85e64c6404cee5181f8016c41586

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