wannacry | c3286deff98bc905a15ce13742e3d11c95f0928b479daa8684f762d53615bb80

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 09:39

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General

Target

2024-08-05_b9e6da0d2511f65d2354b088e757f6c1_wannacry.exe
Size

3.6MB
MD5

b9e6da0d2511f65d2354b088e757f6c1
SHA1

24b7252cf42b60a8051e6837ddcf2b21f94d7371
SHA256

c3286deff98bc905a15ce13742e3d11c95f0928b479daa8684f762d53615bb80
SHA512

9bb97456aa734de39edab2f865b8c58c15b5b0a883305c7cfd3e7bfdfb9b05f67353338d5da5ecf46df325964548c2181d698ce1b11f2969bba7255a23da4dfe
SSDEEP

98304:Z8qPoBhz17RxcSUDk36SAEdhvxWa9P593R8yAVp2HI:Z8qPe19xcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3240) 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
4708	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 Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-05_b9e6da0d2511f65d2354b088e757f6c1_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	2024-08-05_b9e6da0d2511f65d2354b088e757f6c1_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-05_b9e6da0d2511f65d2354b088e757f6c1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-05_b9e6da0d2511f65d2354b088e757f6c1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-05_b9e6da0d2511f65d2354b088e757f6c1_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4888
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4708

C:\Users\Admin\AppData\Local\Temp\2024-08-05_b9e6da0d2511f65d2354b088e757f6c1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-05_b9e6da0d2511f65d2354b088e757f6c1_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:4476

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
e9cbe1b13318873606a913bf733f714a

SHA1
047a2edbc1df4464d2e83041824aa3566c77dc19

SHA256
561d0e52c9912e9186246961ef3f9e88a9450ad00cf2c29bcb33279ad4912319

SHA512
bd9ab2add14c303f77afd65488bf51e4b9b7221375df9cabc7534d796ea22fa50597e01aa82fa37240374f9b29d3f4815f22a513d783dfca452cb09dc0d3e865

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