Analysis
-
max time kernel
151s -
max time network
159s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-08-2022 19:35
Static task
static1
Behavioral task
behavioral1
Sample
3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
Resource
win10v2004-20220812-en
General
-
Target
3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
-
Size
3.6MB
-
MD5
3fcb1d7200eda4dcdf2178c9c78e4f5d
-
SHA1
22daa8b47db8c5436be7acc7dda675e724d6c1e5
-
SHA256
af116c6a6bbda54c5e488e6530829e1d6f61ed0e71aa0b424f0ab42e52f4cd74
-
SHA512
23f534d3efc849c40aef28ca747904838e506c9ef584f98a28e5c536d79b091b9354434f844facf5471777dc5c4531e32aa4f529a41177fb6a85f27be1df7bc0
-
SSDEEP
24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYDLAE6fm8f5Qjn0kQm3yJJkzswor:2nAQqMSPbcBVQej/1gLAEHTnQJJzw
Malware Config
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Contacts a large (1286) 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 1404 tasksche.exe -
Drops file in System32 directory 1 IoCs
Processes:
3fcb1d7200eda4dcdf2178c9c78e4f5d.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe -
Drops file in Windows directory 1 IoCs
Processes:
3fcb1d7200eda4dcdf2178c9c78e4f5d.exedescription ioc process File created C:\WINDOWS\tasksche.exe 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
3fcb1d7200eda4dcdf2178c9c78e4f5d.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA0B3286-B246-4B76-9276-B94FF4643806} 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA0B3286-B246-4B76-9276-B94FF4643806}\WpadDecisionReason = "1" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA0B3286-B246-4B76-9276-B94FF4643806}\WpadDecision = "0" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA0B3286-B246-4B76-9276-B94FF4643806}\26-99-54-1a-a0-16 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-99-54-1a-a0-16\WpadDecision = "0" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA0B3286-B246-4B76-9276-B94FF4643806}\WpadNetworkName = "Network 3" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-99-54-1a-a0-16\WpadDecisionTime = 000ce8adcab8d801 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-99-54-1a-a0-16 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0081000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA0B3286-B246-4B76-9276-B94FF4643806}\WpadDecisionTime = 000ce8adcab8d801 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-99-54-1a-a0-16\WpadDecisionReason = "1" 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3fcb1d7200eda4dcdf2178c9c78e4f5d.exe"C:\Users\Admin\AppData\Local\Temp\3fcb1d7200eda4dcdf2178c9c78e4f5d.exe"1⤵
- Drops file in Windows directory
-
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\3fcb1d7200eda4dcdf2178c9c78e4f5d.exeC:\Users\Admin\AppData\Local\Temp\3fcb1d7200eda4dcdf2178c9c78e4f5d.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Windows\tasksche.exeFilesize
3.4MB
MD560c5e86d01b51438713c110bfb8b05ad
SHA1818b0d2daed96962b5857c9a856b2494743fba4e
SHA256a8b6ae1583b3eb7a96782358f2f819aab77484fc232aea4bb698e5397c2fbf77
SHA51223c033aa48cd0c90038b3e912f2b4228e3d0fc74b89d623b84f03e4dfee580185b24d5cc5346269ffbb100a413faa0486e28e88a4ae23a0ccd7100305d16efd9
-
memory/368-54-0x0000000076401000-0x0000000076403000-memory.dmpFilesize
8KB