wannacry | 8f70eb323546b98c7507e5ffdb3900173e7d400b122742fa9e955fb6d0b3272d

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21-06-2024 10:26

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General

Target

2024-06-21_4391cbff7aafc5bb4a8b28126db97a3d_wannacry.exe
Size

5.0MB
MD5

4391cbff7aafc5bb4a8b28126db97a3d
SHA1

fc26bc9a53a26bb842246e5929aefa77910573af
SHA256

8f70eb323546b98c7507e5ffdb3900173e7d400b122742fa9e955fb6d0b3272d
SHA512

fd81a77dcbd01320402d7ca98844653e3e6dfd9e3506561b04e5865d2eb12a542ef58b27d5fd29545175cce053cad329b6e0e10ac3b70acedcda2516275d7472
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFO:VbLgdeQhfdmMSirYbcMNgef0QeQjG

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3333) 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
1344	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	2024-06-21_4391cbff7aafc5bb4a8b28126db97a3d_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-06-21_4391cbff7aafc5bb4a8b28126db97a3d_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-06-21_4391cbff7aafc5bb4a8b28126db97a3d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-21_4391cbff7aafc5bb4a8b28126db97a3d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-21_4391cbff7aafc5bb4a8b28126db97a3d_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2204
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1344

C:\Users\Admin\AppData\Local\Temp\2024-06-21_4391cbff7aafc5bb4a8b28126db97a3d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-21_4391cbff7aafc5bb4a8b28126db97a3d_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
e4352cfad2228c741008cff2ae83b410

SHA1
1321431b69ebf29acb4d389e18bfc043ece5e591

SHA256
02df250a56be483f48755839a20f391fe71d06657920dc6713e6ed955468c1e3

SHA512
ae53ffd0cd28094e92255af0a179920a05d005591018b48cd27a54e7c4b836ef6a1a97b901cc3a5ccfe9eca172501206a9ebce3a149adbd4c6cf6a5990811e50

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