wannacry | e40240c0698b141a8d6bf2e4d8c4e8437fa4ecdbd61f5e3560114906d2f0086f

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 11:24

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General

Target

2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe
Size

5.0MB
MD5

02e12465c6a4b579ebd6a2a22aec1342
SHA1

f01870cea20c51c32e34e59539514f7e39982226
SHA256

e40240c0698b141a8d6bf2e4d8c4e8437fa4ecdbd61f5e3560114906d2f0086f
SHA512

44ac1e1d3eaa1870548928805ae1493f7594ed5cd4056c4eb91c964dcbdbfe4b28eea6fa3f38eff1dc3d393625f4282e5de31cba5fd7b90055bd91e8bec92966
SSDEEP

49152:XnjQqMSPbcBVQej/1INRYX1HoARdhnvxJM0H9PAME:X8qPoBhz1aRWoEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3302) 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
2088	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	2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_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	2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1848
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2088

C:\Users\Admin\AppData\Local\Temp\2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-30_02e12465c6a4b579ebd6a2a22aec1342_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2696

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
b92685937e675b4ced87d5567bf679bd

SHA1
f473d4406ccbc948dbe21b1ec308496e9035b3f6

SHA256
f3f735fbb925c973912409dbaf71cdbf2da730c0b98282d4bfc740f68e468082

SHA512
d4d46e97410b3e3810ac27220407ea77188e1902a693676e27cb9b131e747ec5c9d630b778e1aef09033fd074270cb13be9402452d15ec628e437b17fef3bf2c

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