wannacry | 5316baecafb6a41da7d169b66629675bfac0bbb0cbbf781adf87547c68dd0975

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 08:24

Target

2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe
Size

5.0MB
MD5

7608b7375801031c8dfc7f8dc694dd70
SHA1

6ceef47328d54e966a7d3503f76c5746235a65ce
SHA256

5316baecafb6a41da7d169b66629675bfac0bbb0cbbf781adf87547c68dd0975
SHA512

3c75cb6ba84de6b01f6af5c36704ea290147e188a02fa985179af5bf8cb6637f36f21967954f92d6c6d03568a78e515f1c0571aa9ea5bfc3ec5f5be47e042f3f
SSDEEP

49152:VnAQqMSPbcBVQej/1INRx+TSqTdd1HkQo6S:ZDqPoBhz1aRxcSUZk36S

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3265) 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

Processes:

tasksche.exe

pid process

5060 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

Processes:

2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe

pid	process
5060	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1780

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:5060

C:\Users\Admin\AppData\Local\Temp\2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-25_7608b7375801031c8dfc7f8dc694dd70_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3612

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
936ac6dc8ead0decc586651882460294

SHA1
78f74f1aa4b72e805169c4ed3549077826c2f2ed

SHA256
c41320b0761da87c4ab4452e763ba965e261bdebd6c7cdd43ea68885c16b624a

SHA512
6d531a9ef1c18857db066d95a2be2009ec6a7ea7f8adeb136e31196f937b9e4ecd6a5df9ce95aa1fba7d3e430c2b4becf31bfa664b56ff70c54468e8d734a4c1

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