Analysis
-
max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2024 09:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe
Resource
win10v2004-20240709-en
General
-
Target
2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe
-
Size
5.0MB
-
MD5
39e9acedd5ca288ae3abb9c6e25e2b3e
-
SHA1
65b3f9f52a832a1aad425531737bd38ac9644f1f
-
SHA256
f93f3b5c23442cbd2d277e2c0c886a3e54de50f8ff732ada0d8d0fcbcfbaaba2
-
SHA512
9edd432c91a145fb8e6799ca7ab1bae852867d2cd7b79fed2908028ac2f8e67b1e78d9965a30aa3be0cb9d7fb47d8a861c7294e28d2c9d818c885e07ac71b1ed
-
SSDEEP
24576:XbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRY:XnAQqMSPbcBVQej/1
Malware Config
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Contacts a large (3041) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
-
Executes dropped EXE 1 IoCs
Processes:
tasksche.exepid process 4992 tasksche.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
-
Drops file in Windows directory 1 IoCs
Processes:
2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exedescription ioc process File created C:\WINDOWS\tasksche.exe 2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4348 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:4992
-
C:\Users\Admin\AppData\Local\Temp\2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-07-24_39e9acedd5ca288ae3abb9c6e25e2b3e_wannacry.exe -m security1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.4MB
MD5740a4313c0784a0cc5491918777b084f
SHA1232e620e24fda5472e4d958f705d89e2f1994b43
SHA25687fbb305c00e34470e49eaf347d9d3b5efd80f91983b94f7b4e42333e42b2584
SHA512d271e2886827df23aac373b454c88c9188372b283134e20f8da84729b139420245851035f993e5963cd237e9c4708ef0a7ce4ebd5f3ffe1d487444f6b07f3ba5