Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
28-07-2024 06:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Resource
win10v2004-20240709-en
General
-
Target
2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
-
Size
3.6MB
-
MD5
78af39c73fbacafc169c0157b76b041e
-
SHA1
9e923d09e050ccc3d8d62f570eac84c32c1ab766
-
SHA256
218ccf97ac51b41472dac344783a4074b918cb295940df21f5cd2f1da9760ba0
-
SHA512
2244fee89678be3e681765889aad71918a29950e559d13189483d7ca343d95d80be061fffda9ae2667ff9f3cff6619a9f194686365cd77a176b75602406f3b90
-
SSDEEP
49152:XnAQqMSPbcBVUx+TSqTdX1HkQo6SAARdhnv:XDqPoBWxcSUDk36SAEdhv
Malware Config
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Contacts a large (3134) 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 3708 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:
2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exedescription ioc process File created C:\WINDOWS\tasksche.exe 2024-07-28_78af39c73fbacafc169c0157b76b041e_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:
2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2768 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:3708
-
C:\Users\Admin\AppData\Local\Temp\2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-07-28_78af39c73fbacafc169c0157b76b041e_wannacry.exe -m security1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:440
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.4MB
MD5a32ec03b39d840916a4e1b4323b75391
SHA10846856f96d3ccc7fbca49a1da128240efb6d884
SHA25617a30fbc205a7e6de1379160184b650af36b0acd4e24c24b7441ad8084b7bb99
SHA5121fa2ada8dd60c013f3499b01bf4c1b00c2aa79db2c20c17184775eeed9c49bc2a905b25228edc324e9f31bab1510dceaff01e455dcfa73a727a9942bd6b8697d