wannacry | 1b468647475b16126702b1d0d8dac1e119940d57f3494c7dd07ea7e68772b0dd

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 21:30

Target

a24e7e764da8b38875ebd719194f2e78.exe
Size

3.6MB
MD5

a24e7e764da8b38875ebd719194f2e78
SHA1

c552cf1018c959502ee4bb24b2f65ed911ab73e1
SHA256

1b468647475b16126702b1d0d8dac1e119940d57f3494c7dd07ea7e68772b0dd
SHA512

e15f962acda4309fd967633d6233b57ac05b5453727a2769579a5245520f95b92ffef881094ff7e4c057cc5f9601d46dd1a0c1ce0c916803ef9ba37b135d87aa
SSDEEP

98304:yDqPoBhz1aRxcSUZk36SAEdhvxWa9P593R8yAVp2o:yDqPe1Cxc7k3ZAEUadzR8yc4o

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3328) 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

1936 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:

a24e7e764da8b38875ebd719194f2e78.exe

description ioc process

File created C:\WINDOWS\tasksche.exe a24e7e764da8b38875ebd719194f2e78.exe

pid	process
1936	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	a24e7e764da8b38875ebd719194f2e78.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

a24e7e764da8b38875ebd719194f2e78.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	a24e7e764da8b38875ebd719194f2e78.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	a24e7e764da8b38875ebd719194f2e78.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	a24e7e764da8b38875ebd719194f2e78.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	a24e7e764da8b38875ebd719194f2e78.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	a24e7e764da8b38875ebd719194f2e78.exe

C:\Users\Admin\AppData\Local\Temp\a24e7e764da8b38875ebd719194f2e78.exe
"C:\Users\Admin\AppData\Local\Temp\a24e7e764da8b38875ebd719194f2e78.exe"
1⤵
- Drops file in Windows directory
PID:1644

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1936

C:\Users\Admin\AppData\Local\Temp\a24e7e764da8b38875ebd719194f2e78.exe
C:\Users\Admin\AppData\Local\Temp\a24e7e764da8b38875ebd719194f2e78.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:504

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
c9b7b496d9c1d3ef30e4242f6303963a

SHA1
16850c289f1f08b9fb4e8f5181cce9f4a366ce54

SHA256
5b2cb5b5946fd8c3f169ffaf6f4f54fc5660379dbf363158af609e1e398690a1

SHA512
489b5fdb2ea3833d5b84ef5890293474681e31fb892d380374a8ad24b6ce93ad4a8a24a26c600a833ff0620d87757a97731f75876c7e77890e665d497d14b8fc

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