wannacry | fea3399f7968b893820e8af3ada5bb99ed23c7f7caa103b854a24a77aa90f1ba

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 16:45

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General

Target

2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe
Size

5.0MB
MD5

c7ff52e36bd42842945569f784997da5
SHA1

2f92572ee5b0fde3475cd10696ad773902d7d221
SHA256

fea3399f7968b893820e8af3ada5bb99ed23c7f7caa103b854a24a77aa90f1ba
SHA512

d9ceafd8ac11cede9e5e07334ca4576d8c77f14338b45802433843380400272f26304b46a7098bbbb7036c5cf9b2c720ce554f8a541edbc733cc0e54845aa155
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdudDAH1plA:yDqPoBhz1aRxcSUMdDAVp2

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3294) 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
3156	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_c7ff52e36bd42842945569f784997da5_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_c7ff52e36bd42842945569f784997da5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_c7ff52e36bd42842945569f784997da5_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\IntranetName = "1"	2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3536
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3156

C:\Users\Admin\AppData\Local\Temp\2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_c7ff52e36bd42842945569f784997da5_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3184

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
f6367402d70c41c6526ce2e862815426

SHA1
3f0f4f7f7bc9d88d29fcdf372565c0c0001a213a

SHA256
000ccce468ff9a74e646e3299ab5354e990301f67c5ea3a3bce020b1c7a9550d

SHA512
82b385981c409703e7f848551a00ef7eb4f2caf6b77cdf1b93f61ac0d63ff32d833ce801dfd3b2f10fc40a7d8d9dff39ae8df7096f5085d4fe363a64614200c9

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