Analysis
-
max time kernel
61s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 12:22
Static task
static1
Behavioral task
behavioral1
Sample
a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
-
Target
a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe
-
Size
106KB
-
MD5
a2c48d4d083e74d945ba1e7451298710
-
SHA1
800abfb61b7d8b6af57a8329a8f1f40c37636e09
-
SHA256
a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7
-
SHA512
3043bc6f668ee908db2ea6f119d78dbf8c2bd215be34028e0719e2e0048586990750b6e79477dc0e3c102a3f02e87de0b1c57045e411f2ac967458ff544342a3
-
SSDEEP
3072:5ZjurA1K+wMIAsw1QOXHAN9STw+5CkVRc:rV9qEQO3ANCXDe
Score
10/10
Malware Config
Signatures
-
Modifies firewall policy service 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\users\admin\appdata\local\temp\a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe = "c:\\users\\admin\\appdata\\local\\temp\\a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe:*:Enabled:SMPN" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe -
Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msrpc = "c:\\windows\\msrpc.exe" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wservices = "c:\\windows\\wservices.exe" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wservices\ImagePath = "c:\\windows\\wservices.exe" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\wservices = "c:\\windows\\wservices.exe" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\wservices = "c:\\windows\\wservices.exe" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsassv = "c:\\windows\\lsassv.exe" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\f: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\l: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\j: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\i: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\h: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\k: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\z: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\u: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\r: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\q: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\n: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\p: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\m: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\g: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\e: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\y: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\w: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\t: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\s: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\x: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\v: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened (read-only) \??\o: a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File opened for modification \??\c:\windows\regedit2.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\AdobeLoader.scr a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened for modification \??\c:\windows\mui\rctfd.sys a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened for modification \??\c:\windows\wservices.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened for modification \??\c:\windows\lsassv.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File created \??\c:\windows\msrpc.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File created \??\c:\windows\regedit2.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File created \??\c:\windows\Start Menu\Programs\Startup\AdobeLoader.scr a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File created \??\c:\windows\wservices.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File created \??\c:\windows\lsassv.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened for modification \??\c:\windows\msrpc.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File created \??\c:\windows\calc.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe File opened for modification \??\c:\windows\calc.exe a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A} a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VerProg = "159" a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1928 a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe"C:\Users\Admin\AppData\Local\Temp\a3f688cfe0ff0f41e4c342e1d2b902873d120594a3ea8b81cdfcd49c0db038d7.exe"1⤵
- Modifies firewall policy service
- Adds policy Run key to start application
- Sets service image path in registry
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:1928