wannacry | 4bcc178a778f96784b9cdb260b98abdb6056e96d26e510cd253060cd154ac40a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 12:38

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General

Target

2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe
Size

5.0MB
MD5

44f4f41a66313f9d2b4e4926ed9f5b59
SHA1

b3e2ecfc5fe7ecdf9886217724a269f346302610
SHA256

4bcc178a778f96784b9cdb260b98abdb6056e96d26e510cd253060cd154ac40a
SHA512

b3926024333b9dabf6276dd9efd4a894ee4971c3e01fa126c88dc055390398b527dcacc2a8f4517b56c9d257a0344b965353536b5cf2e3ed7eb939d252a35342
SSDEEP

98304:9DqPoBhz1aRxcSUDk36SAEdhvWyAVp2H:9DqPe1Cxcxk3ZAEqyc4H

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
4676	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	2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_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	2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2296
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4676

C:\Users\Admin\AppData\Local\Temp\2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-01_44f4f41a66313f9d2b4e4926ed9f5b59_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1656

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
a4748db919830e0a075a1b4df7e86dbf

SHA1
8ea52ac38bc9a6a21ec96c0d32ac70ded1c854f3

SHA256
8ca14aedfc9e0074e37b51cbd6c3c4b5f8f0e8115866f73d42f12657c7e86c90

SHA512
617fec01cab4b50e19746814e7a461808b6ef0c913f774906cd855a944d47103d6f94ade955101eb90caadfb2e674a44a4e251890795ece342869273770dd936

Download Submit
memory/1656-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/1656-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2296-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2296-5-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download