wannacry | 993e135dfe4190ab6fea945f825d6be76f27e7ca837c9917b2e82ece68ff559f

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 07:40

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General

Target

2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe
Size

3.6MB
MD5

3590d07d76bf5baab96229fb8d6d54aa
SHA1

1e4e94401b7b933c1a631c47662ada19910a6b2b
SHA256

993e135dfe4190ab6fea945f825d6be76f27e7ca837c9917b2e82ece68ff559f
SHA512

7abf2207a2f0aa40eaf529569865de86c9f31c586d4cbd009569cad513c7fdb2a0bc406d2afb5c7269e3d7c4305950c535f7c04c6084bec54b14375b4eff908e
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5NAVp2HI:yDqPe1Cxcxk3ZAEUadTc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3264) 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
4364	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	2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_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	2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2204
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4364

C:\Users\Admin\AppData\Local\Temp\2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_3590d07d76bf5baab96229fb8d6d54aa_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3924

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
fbfdc2d634a509fc1c68db65417d5b4f

SHA1
0f0fdd60427dc62c9bc879ed947590f6f77af842

SHA256
c0dc57c5fccd554fff136b40d3416c60563957179cf6fedec7f8c2f05e32a69a

SHA512
dcc3472c916a2c510cee69f4d53670b83f60e6d9148299a8b1980d72f3e118c843eab4e20535bbe802b34dd28cbd7cdef947b279917455d290217c81cb76edf8

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