wannacry | 74e4b1a251a29edd23add533d0d2c41140e3e3ca8168dd2ed61e86a503b1fe82

Analysis

max time kernel
150s
max time network
151s
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, 04:47

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General

Target
2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Size 3.6MB
Sample241012-fetsdaydkk
SHA256 74e4b1a251a29edd23add533d0d2c41140e3e3ca8168dd2ed61e86a503b1fe82
MD5 120908909f9c437f4d03a2c55f731af9
SHA1 b88ce5b12187c9360b4d90d7a994263765df0a0e
SHA512 0560186eb77ebc3bee325d6b0df20f0b9e185f564b51e2ef7a05e462f28a601c6c50054159840198d82ee55d157c53e2675f749e6e5029871b909c6777ddf56a
SSDEEP 49152:2nAQqMSPbcBVQe+TSqTdd1HkQo6SARoKAAcwO:yDqPoBxcSUZk36SA6KfC
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3146) 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
3256	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_120908909f9c437f4d03a2c55f731af9_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_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_120908909f9c437f4d03a2c55f731af9_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_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2272
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3256

C:\Users\Admin\AppData\Local\Temp\2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4688

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 a74b00d5aaaaf014e08f218f7824c6ebe051b3b71dddf83773dbdd4f8fc3d7d8
MD5 93b5c109da5465a468beccdcd73ee066
SHA1 30c1580f91f4b1a0474be8528880ac41fb77e20b
SHA512 6bcbf2015a1b4cad65fbc6ff5de6e760b60f2d0e06d158f6ed45d922552233c4153b4895526c79dc517cc044a1086de5b82bdf15cbed0d4baf9076a2a7fd7e1d
SSDEEP 49152:nQqMSPbcBVQe+TSqTdd1HkQo6SARoKAAcwc:QqPoBxcSUZk36SA6Kf4
MD5 SHA1 SHA512 SSDEEP

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