wannacry | 54f21519c535bf3457098708f71efc4ab88e16488faa7aa1ed7b63102015a06f

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09-07-2024 12:02

Target

2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe
Size

5.0MB
MD5

b729a2c90fb331e85f60ff9ac0e2343d
SHA1

ba9787c2f66b126f44af257e492d6b3b7edd10b8
SHA256

54f21519c535bf3457098708f71efc4ab88e16488faa7aa1ed7b63102015a06f
SHA512

74879da8a3e22c8f3731ee6d456f6984cb2c47f08d88f7571549f2239b438f9ec0385ecfefb49b6fdc2fcc2548b47046dfc30f85c750206f68d6042c5ff80a9d
SSDEEP

49152:2nAQqMSPbcBVGINRx+TSqTdX1HkQo6SAARYvxJM0:yDqPoBwaRxcSUDk36SAEwxW

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3311) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

3248 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 Discovery
T1046
Drops file in Windows directory 1 IoCs

Processes:

2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe

pid	process
3248	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1196

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:3248

C:\Users\Admin\AppData\Local\Temp\2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-09_b729a2c90fb331e85f60ff9ac0e2343d_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3484

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
99f64ac7ddf1077b55f14ed8749c56f5

SHA1
840dc021ef65e602c40f9c2b215763a07232cb60

SHA256
e3ed93160a6729aa237bfb6bcadb835c70a0de73263eb4cb55d67531636068fb

SHA512
2d35f28269fe591f2c3313545ab931ba2e9ba794162a94c3b96b3930a3eb0c74231f851492dd0abcecbdc8f260d6a233b08a76843edc961b3a657740e0d9d29d

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