wannacry | 1c7f69530d4986ede246d01254cc1435c1a7e183c09a7f73a57c103fec7b9857

Analysis

max time kernel
158s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
03/05/2023, 03:20

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General

Target
2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe
Size 5.0MB
Sample230503-dv8v5ade74
SHA256 1c7f69530d4986ede246d01254cc1435c1a7e183c09a7f73a57c103fec7b9857
MD5 e421a1413a11f5750aa178d9945d4158
SHA1 ae081a93e399217ffca63e678715f7c6766cb29b
SHA512 6b9a5be4ca97e91cbb11a5482085423269db43fe0c980a1508af5853979f936ec866c07f5bf11c556f0de61f348af56cb1e2389871f426d9fc6ebf32844471bb
SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdh:yDqPoBhz1aRxcSUDk36SAEdh
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3153) 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

pid	Process
2768	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

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1212
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2768

C:\Users\Admin\AppData\Local\Temp\2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2023-05-01_e421a1413a11f5750aa178d9945d4158_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 e5bc13c336b5f705259aa6495243ad7016866864238b2fca10fa6af8db1cf1ea
MD5 5abe0aa95b8bd2c4e72cefb4fa309e6f
SHA1 a3965c6add1e7d436c24d74189692163212345c9
SHA512 dbb2edebf9fd5773e318fd56e586b441e8cb31a4f02a94407da474ec767c40d8932094962e637bfd8150efa0b19ad1cc14d03a64d59d4766d607e1ffabe76aca
SSDEEP 49152:nQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdh:QqPoBhz1aRxcSUDk36SAEdh
MD5 SHA1 SHA512 SSDEEP

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