Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
06-07-2024 12:57
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe
Resource
win10v2004-20240704-en
General
-
Target
2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe
-
Size
5.0MB
-
MD5
78bc25ae8b46e549aa69580498aecf2d
-
SHA1
6631bf741626e90627e0797a3a6e12af16c90c1d
-
SHA256
e3a29b6848a90b4e08328d7d3596df9ab575e4913a38756c00e241e6f6b9c3b1
-
SHA512
3c8318ead51812c1674cf63b30c6f9f79c2a12fd66ec19a8e9c3da8a24d7bab291dfcce81e1686852717b9b56a5874a6324182f335f0cd8aa49dddff3a391b44
-
SSDEEP
49152:2nsEnbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:yswoBhz1aRxcSUDk36SAEdhv
Malware Config
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Contacts a large (3337) 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 2912 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 System32 directory 4 IoCs
Processes:
2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe -
Drops file in Windows directory 3 IoCs
Processes:
2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exetasksche.exedescription ioc process File created C:\WINDOWS\tasksche.exe 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe File created C:\Windows\__tmp_rar_sfx_access_check_240629546 tasksche.exe File created C:\Windows\eee.exe tasksche.exe -
Modifies data under HKEY_USERS 15 IoCs
Processes:
2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exedescription pid process target process PID 5112 wrote to memory of 2912 5112 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe tasksche.exe PID 5112 wrote to memory of 2912 5112 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe tasksche.exe PID 5112 wrote to memory of 2912 5112 2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe tasksche.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:2912
-
C:\Users\Admin\AppData\Local\Temp\2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-07-06_78bc25ae8b46e549aa69580498aecf2d_wannacry.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1812
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.0MB
MD55140acd290a4be9172887a51f3306701
SHA1c1492bc88bb1eb8fe50a2f68b0ee44ac70ffc7c4
SHA256dc39d604163d09d16cf9cb104ed4df0ada147bcd64c0be75511cb1a302dda5dc
SHA51296935d5e4a37c52787b8688df937c3b02135a0013a6b06c897f5226be8aec749d3d3d58066aa5fe27cbb78efa327678bb8460a1b75e2e452d1d71fbc5a622b8c