wannacry | 1a71f09ccf1f215258fdb94f47483441a24af71552cf116eedb7b1520c614661

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
22-01-2025 18:03

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General

Target

2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe
Size

5.0MB
MD5

0fb65d7c426fb1c273a1672278027e1e
SHA1

97d7be8810ab13c56697004f40a1885794d0ea93
SHA256

1a71f09ccf1f215258fdb94f47483441a24af71552cf116eedb7b1520c614661
SHA512

ee5c208aa1d2f12bc9139ca17888fd52468e0ae10e68f4fa414ad823cd3c68a765c7d3c233c45f6f8bf18347a4aa933692a54cc0bcc8e393c4d64d04054b8f0d
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

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 (3133) 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
4840	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	2025-01-22_0fb65d7c426fb1c273a1672278027e1e_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	2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-22_0fb65d7c426fb1c273a1672278027e1e_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\ProxyBypass = "1"	2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3876
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4840

C:\Users\Admin\AppData\Local\Temp\2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-22_0fb65d7c426fb1c273a1672278027e1e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1732

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
1cefc2497f09d545c66bf2dd5daf66de

SHA1
7392a68a9f72805733e73d16bf023194b586b3a2

SHA256
2461ea5769fabf742865f0d16162820c6566270319ce9c8f2ac1d8ed07a15fae

SHA512
4d118eeb03ce70980dcf2e60ab0c431902cf94e170df39938b05a2e38f6717cb43e2fd5e3682b54803fdcf766732cc60de3fbedc34ee5cd553963fd985a47817

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