Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-05-2024 11:29
Static task
static1
Behavioral task
behavioral1
Sample
5a56b911126f794276c2523fb4a172c0_NEAS.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5a56b911126f794276c2523fb4a172c0_NEAS.exe
Resource
win10v2004-20240419-en
General
-
Target
5a56b911126f794276c2523fb4a172c0_NEAS.exe
-
Size
5.0MB
-
MD5
5a56b911126f794276c2523fb4a172c0
-
SHA1
22988e9675083133f4e898f5f6a3eca5fa851b69
-
SHA256
a65ce1a1b9d19cdb8c2fd8b8a16a8d80dabede0b4a53b14024863b002c214fc1
-
SHA512
bb9ea3234b4f7247053c2ee7e18072ea153050479a4877809f51e09ce18841fee02e89e008d762b6068af237a34e57301fec907588b59ece4797db4705717377
-
SSDEEP
12288:GQbLgmluyQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFW:tbLguVQhfdmMSirYbcMNgef0QeQjG/
Malware Config
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Contacts a large (3133) 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 2400 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 5 IoCs
Processes:
5a56b911126f794276c2523fb4a172c0_NEAS.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 5a56b911126f794276c2523fb4a172c0_NEAS.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\9Y89JWHL.txt 5a56b911126f794276c2523fb4a172c0_NEAS.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\9Y89JWHL.txt 5a56b911126f794276c2523fb4a172c0_NEAS.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5BZG7AN4.txt 5a56b911126f794276c2523fb4a172c0_NEAS.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5BZG7AN4.txt 5a56b911126f794276c2523fb4a172c0_NEAS.exe -
Drops file in Windows directory 1 IoCs
Processes:
5a56b911126f794276c2523fb4a172c0_NEAS.exedescription ioc process File created C:\WINDOWS\tasksche.exe 5a56b911126f794276c2523fb4a172c0_NEAS.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
5a56b911126f794276c2523fb4a172c0_NEAS.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-13-92-9e-a4-c3\WpadDecision = "0" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 5a56b911126f794276c2523fb4a172c0_NEAS.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 5a56b911126f794276c2523fb4a172c0_NEAS.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5a56b911126f794276c2523fb4a172c0_NEAS.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E97642A1-EA6C-47D0-ADFB-7C153167EBD7} 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E97642A1-EA6C-47D0-ADFB-7C153167EBD7}\WpadDecisionReason = "1" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E97642A1-EA6C-47D0-ADFB-7C153167EBD7}\WpadDecisionTime = 107d38c971a0da01 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0103000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 5a56b911126f794276c2523fb4a172c0_NEAS.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-13-92-9e-a4-c3 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-13-92-9e-a4-c3\WpadDecisionReason = "1" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-13-92-9e-a4-c3\WpadDecisionTime = 107d38c971a0da01 5a56b911126f794276c2523fb4a172c0_NEAS.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E97642A1-EA6C-47D0-ADFB-7C153167EBD7}\WpadDecision = "0" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E97642A1-EA6C-47D0-ADFB-7C153167EBD7}\WpadNetworkName = "Network 3" 5a56b911126f794276c2523fb4a172c0_NEAS.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E97642A1-EA6C-47D0-ADFB-7C153167EBD7}\a2-13-92-9e-a4-c3 5a56b911126f794276c2523fb4a172c0_NEAS.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5a56b911126f794276c2523fb4a172c0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\5a56b911126f794276c2523fb4a172c0_NEAS.exe"1⤵
- Drops file in Windows directory
PID:2240 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:2400
-
C:\Users\Admin\AppData\Local\Temp\5a56b911126f794276c2523fb4a172c0_NEAS.exeC:\Users\Admin\AppData\Local\Temp\5a56b911126f794276c2523fb4a172c0_NEAS.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2508
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Windows\tasksche.exeFilesize
3.4MB
MD55b488d09525b7c3cb94cf2b5acc5dba8
SHA1d9a48afcf0092c33e02c6b272978e295cfca01a6
SHA256de5e6337f444de2796267a0f6465e2e4ce62bf60ab192c9bb1894eac4c7bc4f5
SHA512f848247ce714b93e2f2360a34424595e6723c07524507d95c0195ff1780a9ced6097612f84633385e536774d36cc0c97dd41ec14ba10886d98b7250b711523b6