wannacry | bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2022 11:24

Target

bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
Size

3.6MB
MD5

797d5d31c4e6c1accb2cbfddec8d66b9
SHA1

dd5d04b01214dffdd75c575eefd342026c66a39d
SHA256

bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd
SHA512

ec26bd4120474d5a996a61c202befb548b5add6ac933986f6a992d050f00ccc3ebe49d19dc6946479da5605067df7b02f26f56e64855b029721f8789ae563e42
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9ZI:yDqPoBhz1aRxcSUDk36SAEdhvxWa9ZI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3198) 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

2948 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:

bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe

description ioc process

File created C:\WINDOWS\tasksche.exe bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe

pid	process
2948	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe

C:\Users\Admin\AppData\Local\Temp\bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
"C:\Users\Admin\AppData\Local\Temp\bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe"
1⤵
- Drops file in Windows directory
PID:3628

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2948

C:\Users\Admin\AppData\Local\Temp\bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
C:\Users\Admin\AppData\Local\Temp\bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3552

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
04af554ac498ed9e1353a8751bee6001

SHA1
077c84f26b471c1b0075490d89fdfc5de6f7b9af

SHA256
84b63d5d32bdbc8570257cbd5592c37626c1808a662ad70ae8972a75b4c61158

SHA512
9fb261d4f2cedd26934df9f15f9044c22beaecbe109646fd0604b615344a9be124598018844b18b4a6e279df2431dba0158c9cf566036ecbbd3681e6e97e866a

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