wannacry | bace69b2e8dadcb678ea0c0e6323075a3cc619d572c3abd34b21ec3608bdfb49

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2022 16:43

Target

6cbcc5c7e252ff3489e4dd5b00d36b64.exe
Size

3.6MB
MD5

6cbcc5c7e252ff3489e4dd5b00d36b64
SHA1

48435af2b5d2968023a9021b04aa6c4895ddaedf
SHA256

bace69b2e8dadcb678ea0c0e6323075a3cc619d572c3abd34b21ec3608bdfb49
SHA512

89be60e680a81eb2291efa849ad41a315e623089acb44c7e78e86745dd0f8deddd68ee1f4ffdb24019b30bd1310db720de6400c8dd2dd0659c80e3c18c7e86b0
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAsAMEcfHI:yDqPoBhz1aRxcSUDk36SAn55HI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3178) 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

2708 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:

6cbcc5c7e252ff3489e4dd5b00d36b64.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 6cbcc5c7e252ff3489e4dd5b00d36b64.exe

pid	process
2708	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	6cbcc5c7e252ff3489e4dd5b00d36b64.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

6cbcc5c7e252ff3489e4dd5b00d36b64.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	6cbcc5c7e252ff3489e4dd5b00d36b64.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	6cbcc5c7e252ff3489e4dd5b00d36b64.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	6cbcc5c7e252ff3489e4dd5b00d36b64.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	6cbcc5c7e252ff3489e4dd5b00d36b64.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	6cbcc5c7e252ff3489e4dd5b00d36b64.exe

C:\Users\Admin\AppData\Local\Temp\6cbcc5c7e252ff3489e4dd5b00d36b64.exe
"C:\Users\Admin\AppData\Local\Temp\6cbcc5c7e252ff3489e4dd5b00d36b64.exe"
1⤵
- Drops file in Windows directory
PID:1508

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2708

C:\Users\Admin\AppData\Local\Temp\6cbcc5c7e252ff3489e4dd5b00d36b64.exe
C:\Users\Admin\AppData\Local\Temp\6cbcc5c7e252ff3489e4dd5b00d36b64.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4840

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
6a48fa3e93935ae46e2bccdf4b6b8636

SHA1
85f0e4d76e43da1287487457dd92bead1b55cd7d

SHA256
5950a49f688c0db246a590339e3b7ba71cc62b1a627753d0d12acb81595e791e

SHA512
39418420642e20de1e101d19be662b5c5c8fcc6c892e5f9eaa12a8e9a61c6e1052a93afba0504a21db882e610923104cdebcaefb81df254c58208f1b93eb2abb

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