wannacry | 9c9b32f6b61b37cf749054f0f253570ab782cc8c70812e3c5837650da873c6b7

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 05:10

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General

Target

2024-10-12_c80801ab6a745e288e72ed1209d4760d_wannacry.exe
Size

3.6MB
MD5

c80801ab6a745e288e72ed1209d4760d
SHA1

4d3ca26f4061504ab0c9e5b414fd1f89cd3af036
SHA256

9c9b32f6b61b37cf749054f0f253570ab782cc8c70812e3c5837650da873c6b7
SHA512

9ad46cbb6a31c6fe8d4d0033a7880f2e4e6c3e46824c8bba569d04f58ced2ba4435ab35c67a0de0f99bdb4fbc47c1640c2c2c04d41d332ceb8a66afd0a98e244
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D:VbLgdeQhfdmMSirYbcMNgef0

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3365) 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
680	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	2024-10-12_c80801ab6a745e288e72ed1209d4760d_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_c80801ab6a745e288e72ed1209d4760d_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_c80801ab6a745e288e72ed1209d4760d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_c80801ab6a745e288e72ed1209d4760d_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_c80801ab6a745e288e72ed1209d4760d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_c80801ab6a745e288e72ed1209d4760d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_c80801ab6a745e288e72ed1209d4760d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2068
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:680

C:\Users\Admin\AppData\Local\Temp\2024-10-12_c80801ab6a745e288e72ed1209d4760d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_c80801ab6a745e288e72ed1209d4760d_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1996

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
031988f6dbd459cd6af6d4b5ccda59fe

SHA1
70708a2a55840c8a0949a63a27f84404f67ab375

SHA256
62445585418bde700f9d946ce71bc86c29f0aff2a43aa90eb79cc80514743acd

SHA512
068dea0456a34fd719174d234f02b7860ce059f3c7c4a5e48122b0a85470edb2d3f21f1927eef1f5564435be58246bbec35eac6c841a195f509267364176a666

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