wannacry | 133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 18:58

Target

133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe
Size

3.6MB
MD5

7b43d71dbfb4dc8eba0e3e2a010c5a31
SHA1

ebaca15297aa0a266c5ebf7f22f08891dc83903d
SHA256

133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10
SHA512

dbff1d2971ffd81f1a3635b8dd6cbbc0543c4f0215f620bbdff04bbf984bf512a9891e177c14f19e5294455b25b1ca8548d532bd47971fb5eb578603ecc91349
SSDEEP

49152:2nAQJGx+TSqTdX1HkQo6SAASxJM0H9PAMEcaEau3R8yAH1plAHI:yDwxcSUDk36SA7xWa9P593R8yAVp2HI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3278) 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

2596 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:

133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe

pid	process
2596	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe

C:\Users\Admin\AppData\Local\Temp\133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe
"C:\Users\Admin\AppData\Local\Temp\133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe"
1⤵
- Drops file in Windows directory
PID:2548

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2596

C:\Users\Admin\AppData\Local\Temp\133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe
C:\Users\Admin\AppData\Local\Temp\133c67eb527809b01c5977c560949ec03c3fb5b87c8ed4bcd38c580c8bfdbd10.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4244

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
aa7f6c30c24531e82018968e7aaf8138

SHA1
1d0723bcd706cbc0ba7b4111b4d18d549ad7a8f7

SHA256
dc3fe9a318d69f41e20f378fbd3368b8b7ce30cf1fa17f8d8318612acd24c80c

SHA512
2a267267bfa44f74cda7e5f58d1c994381b290ac9c0a46ea8276f60db042fb50f7ba32352478910493a4318b2e8436e9468627d2704921a1203079d3fffce0c1

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