wannacry | 2b33bf908376f0920e5a2080320302d0e2156e8c7843cee70034d93611b763cb

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 08:38

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General

Target

2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe
Size

3.6MB
MD5

8cac1af6e1bcb38bc8129965bff3e499
SHA1

d09cbc36bd232d82cd666682e693763f88019d72
SHA256

2b33bf908376f0920e5a2080320302d0e2156e8c7843cee70034d93611b763cb
SHA512

06a2b13011b97f3d0ebd701d76539591376e3d8df699d5bcf9d1a2a934de5a0555ba511fad3864908b7cff06c6ac4cf355c853629796370258b088f58608488b
SSDEEP

98304:yDqPoBORxcSUDk36SAEdhvxWa9myAVp2HI:yDqPZxcxk3ZAEUagyc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3252) 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
1320	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	2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_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_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2508
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1320

C:\Users\Admin\AppData\Local\Temp\2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-30_8cac1af6e1bcb38bc8129965bff3e499_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:368

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
ea5d696dcfc0105e624cace9fd446661

SHA1
5141cede58ee9d6a1b5f3a475204437162ad5044

SHA256
dbe37c132889727f03b53a921a3fb658c99a6b93d9fb98a3d94c10e4ca5723b2

SHA512
e44ff67e7a75e73a0ad8cdeaad432853341298c7ade8d195156c9d3b37066c211d1eb0b0a289234e81de5725a2d250a35ac5d0bafe88e977b93807ac84d0a864

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