wannacry | b89898229701729ad9cab038de211658ff37fdc3e8899c08b1410fc068f7c60d

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
28-09-2024 10:02

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General

Target

2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe
Size

5.0MB
MD5

0cced25124e874c9efd6eabb165999bf
SHA1

d5e05b188e2a7c2e06e2b812ce6ed51b789b9e99
SHA256

b89898229701729ad9cab038de211658ff37fdc3e8899c08b1410fc068f7c60d
SHA512

9cf3860c5d1ff61e5c72832939535587e73fdfaee707781841eaca4d2d80551172cf7f5acaf409b7813f9bdc23858cd5aca4a01118ee713349fc3d14b5e8e619
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6S:Z8qPoBhz1aRxcSUDk36S

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3345) 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
2400	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	2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-28_0cced25124e874c9efd6eabb165999bf_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	2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1292
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2400

C:\Users\Admin\AppData\Local\Temp\2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-28_0cced25124e874c9efd6eabb165999bf_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3020

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
db73e31441cfcb4e3df4f90abf93be58

SHA1
cec5b1d186ac29e9de354232e7ced75cfaa7dbcc

SHA256
ec7921ced5b4b6e1a2466938f5bbbcb37bdbe3e18231bfe474829619427a46a2

SHA512
9469b87f95b82afc2b17843cc120585dd4e915bb560fa69e40a54cb752392a339181bfa6923783c63e418ffcef6ed661ff7fc7689828a13732a540c788642861

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