wannacry | 215aa41b66baccb3fe4501b32ef7e9cf2ffe2ff1c0e8608c2b0f083b2a8578a0

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2022 19:37

Target

3b400deed87414bd2b8d9f40c3107ddf.exe
Size

3.6MB
MD5

3b400deed87414bd2b8d9f40c3107ddf
SHA1

b0a8ab1b8b8886b51d13ba6608cf7b1e46b7121b
SHA256

215aa41b66baccb3fe4501b32ef7e9cf2ffe2ff1c0e8608c2b0f083b2a8578a0
SHA512

6ec1a81c2de0a757067eb0c554d92fb57392ba017f6b7e6d0bc7041fe1cfaeb4c8b3f60d7bc16b225bf4982887b963b2f7ad11c4dfddaa9eb889bd346e011f54
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhn:yDqPoBhz1aRxcSUDk36SAEdh

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3186) 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

5084 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:

3b400deed87414bd2b8d9f40c3107ddf.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 3b400deed87414bd2b8d9f40c3107ddf.exe

pid	process
5084	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	3b400deed87414bd2b8d9f40c3107ddf.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

3b400deed87414bd2b8d9f40c3107ddf.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	3b400deed87414bd2b8d9f40c3107ddf.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	3b400deed87414bd2b8d9f40c3107ddf.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	3b400deed87414bd2b8d9f40c3107ddf.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	3b400deed87414bd2b8d9f40c3107ddf.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	3b400deed87414bd2b8d9f40c3107ddf.exe

C:\Users\Admin\AppData\Local\Temp\3b400deed87414bd2b8d9f40c3107ddf.exe
"C:\Users\Admin\AppData\Local\Temp\3b400deed87414bd2b8d9f40c3107ddf.exe"
1⤵
- Drops file in Windows directory
PID:4280

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:5084

C:\Users\Admin\AppData\Local\Temp\3b400deed87414bd2b8d9f40c3107ddf.exe
C:\Users\Admin\AppData\Local\Temp\3b400deed87414bd2b8d9f40c3107ddf.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4640

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
173c64ed0bff936a446adf3e2fcd503b

SHA1
391cffba88ce15dee768b0ff604ebb8485156756

SHA256
e92bd6694cac299082a6f093f92419c3cb2ae0238784531dcc678f39fb35657b

SHA512
ffab89ebe1cc783160ad6ac48a5c9d51bdd87668c6167a6c8aa7a3a58ba452317b01f734565c1255514525a80564f5e4a5ec39f5aa8e6565a52a7d5b9aceb73d

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