wannacry | 32bbd9ab891d5095e78c93d99481fdecfd59b6cc85134994f7c9495771594e4b

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2022 19:39

Target

b4669412e1ba3302f3f13dcae12fe951.exe
Size

3.6MB
MD5

b4669412e1ba3302f3f13dcae12fe951
SHA1

d646fcb343556c377a066fdf15ea0ada0173f47b
SHA256

32bbd9ab891d5095e78c93d99481fdecfd59b6cc85134994f7c9495771594e4b
SHA512

9ee92b5e7e102fe52a10dfec2988eb5b3f037fd5ce889f305f77ac63f7d47c282a91824cc7440ab06b89e01cee624fad247bf2b1f6e9ff4ca1ab63fc3f892a09
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SA:XDqPoBhz1aRxcSUDk36SA

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3355) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

1276 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 Scanning
T1046
Drops file in Windows directory 1 IoCs

Processes:

b4669412e1ba3302f3f13dcae12fe951.exe

description ioc process

File created C:\WINDOWS\tasksche.exe b4669412e1ba3302f3f13dcae12fe951.exe

pid	process
1276	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	b4669412e1ba3302f3f13dcae12fe951.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

b4669412e1ba3302f3f13dcae12fe951.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	b4669412e1ba3302f3f13dcae12fe951.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	b4669412e1ba3302f3f13dcae12fe951.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	b4669412e1ba3302f3f13dcae12fe951.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	b4669412e1ba3302f3f13dcae12fe951.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	b4669412e1ba3302f3f13dcae12fe951.exe

C:\Users\Admin\AppData\Local\Temp\b4669412e1ba3302f3f13dcae12fe951.exe
"C:\Users\Admin\AppData\Local\Temp\b4669412e1ba3302f3f13dcae12fe951.exe"
1⤵
- Drops file in Windows directory
PID:552

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1276

C:\Users\Admin\AppData\Local\Temp\b4669412e1ba3302f3f13dcae12fe951.exe
C:\Users\Admin\AppData\Local\Temp\b4669412e1ba3302f3f13dcae12fe951.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:5044

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
b872536855eed61f8dcc1558f52ba92a

SHA1
7a97b826b4b608e65eb2631fc0bb744f07557b70

SHA256
4cf6b3c3df81a469651b5ddaadf3d5dfcb3ea46758412ca4ccf7bac50340c130

SHA512
2547e3a35c9db708ef940ecbfc2f04d7890cd54aabe123538b8fae9c9d277e9cee61664954006b43396a3d70ba1b0399d36ad3b3b515b27eda0e45f21e78feff

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