wannacry | 40f5dee3911afee1dce2522f4bcedd083b9ba4aa77e3c3b387670d4c74d7c2a9

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
12-12-2024 11:54

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General

Target

2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe
Size

5.0MB
MD5

bd06e9e94fe3e88b8ea894f1b7bb5f2b
SHA1

84a92fcfe1954f97aa20fca1c91cb4dd63c4d310
SHA256

40f5dee3911afee1dce2522f4bcedd083b9ba4aa77e3c3b387670d4c74d7c2a9
SHA512

ee7d0e5dee5659c66f6014294659766efa0a021074f8c86cdce358e11a0955304812dc917bc88832b5ac4ba0a2066b00f3c531c26843e22e8856fba0fc6bc537
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0z+RdhAdmv:2nAQqMSPbcBVqRdhnv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3182) 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
2424	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	2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_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	2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3784
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2424

C:\Users\Admin\AppData\Local\Temp\2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-12_bd06e9e94fe3e88b8ea894f1b7bb5f2b_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3980

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
e9ca5e36120777d87a75ec2c13eee6b3

SHA1
90735d4901a2baf6f060746ff14969fad3b80175

SHA256
d192211eb036923dd8318f2c889608feb2128db12902ee1c096c249ed01738c4

SHA512
373e73ab4627c5000000453738c180ee31e9ad70b0fd61cc7ab9800104060636a27ec8e31f814bbcf14272fbcf44f7ff9ae0b76137f0b2cbf388236dffcb0d1e

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