wannacry | 0f7316c28281f8a0b3acae571cd6c6a093c8e7bff86ceb376a04b2bb1ff87933

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
19-12-2024 02:33

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General

Target

2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe
Size

3.6MB
MD5

c65dd7fc4577d203ced192f9b97b2ca3
SHA1

6003191857fe2b1944b9f093d3c5b24a3d59d3d7
SHA256

0f7316c28281f8a0b3acae571cd6c6a093c8e7bff86ceb376a04b2bb1ff87933
SHA512

34bb680374478b2e91486e7b9a132a0c994fea23936067874237a8f94ff1f220cf114af116371a94e067d1239413f8bf8af3fac94f5b50cea7a45d904f7dcf12
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvZ593R8yAVp2HI:yDqPe1Cxcxk3ZAEFzR8yc4HI

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 (3220) 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
2796	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	2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_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	2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2416
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2796

C:\Users\Admin\AppData\Local\Temp\2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-19_c65dd7fc4577d203ced192f9b97b2ca3_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2192

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
941097b26b0db94a45f3dcfe99e85737

SHA1
0f3a73e409db28a24bbed5cb721adf508461003e

SHA256
807cb16c87365600487bea65494d370a6caacc8702a45aa3538a4f896727ebd6

SHA512
68c2974cb3938628b710e7e7dd70c02c82520e18108bde6edc513bc7de3245ed04ee6e4942a8409226cf5577d4af3bc4b0e3cdf15c2650fd7a7b2725731178c0

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