wannacry | d994d02660a8c02e463c93aeadf9975f946f2e372b5517cf27c08c0362233c75

Analysis

max time kernel
150s
max time network
150s
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 04:15

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General

Target

2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe
Size

3.6MB
MD5

f815a9928fa1464f48f37b01742a1cf0
SHA1

9e97a61277b025f75457d4192a91702323f1f55f
SHA256

d994d02660a8c02e463c93aeadf9975f946f2e372b5517cf27c08c0362233c75
SHA512

5871d76f13783ba72326b9744f7a0805d1d8ace1142c6a72e34316866bcd4368adad7fdb5d772f29075a3282413fa69143828df7f53e41e160af7f2ca1623a7f
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yA:yDqPe1Cxcxk3ZAEUadzR8y

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3181) 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
3404	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_f815a9928fa1464f48f37b01742a1cf0_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_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2452
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3404

C:\Users\Admin\AppData\Local\Temp\2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_f815a9928fa1464f48f37b01742a1cf0_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4660

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
425428f9a4fb18e5ea4b9a23cd6fea77

SHA1
ef4753c61fd8e50984844b5fb2ace7427445b3c8

SHA256
ba77942323515fd68b7862b96a6db3b991779dac91bf7dc8460500909c78698a

SHA512
2258b8fab22ce52ea843a654498ee7874928a29af6db7a9ff697f013f02956bc46c78e8f53d0489b6b0c22d7b4dedddc2a0d71d46f5e63b75131b3825a48bca0

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