Analysis
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max time kernel
171s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2023, 20:19
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.fc3775a630ef13715d49130070924f90.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.fc3775a630ef13715d49130070924f90.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.fc3775a630ef13715d49130070924f90.exe
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Size
475KB
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MD5
fc3775a630ef13715d49130070924f90
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SHA1
8266716aecf689149dafaf747fb179c5bbfab63c
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SHA256
c05f48cec5b71e33d3f2688202c58bb254707850a189c73f70f2d98cb97a22dd
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SHA512
e3b07fdae572335e6369002c166a0e262d4e00b7b19251c34b5a17ff6e24f1c6887a65428d47cf092ca27af64d606434f7a8bce94c608e2b7206784378c102d5
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SSDEEP
6144:pjFRiOcXH6XWD0w1tizmtnktLJ6znvxNcCI+1jDIlnJ9+1aTEPTnOK4JKElY:nRDc3yWDNU+YUznzNjElWaT07NQtY
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List NEAS.fc3775a630ef13715d49130070924f90.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile NEAS.fc3775a630ef13715d49130070924f90.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications NEAS.fc3775a630ef13715d49130070924f90.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\users\admin\appdata\local\temp\neas.fc3775a630ef13715d49130070924f90.exe = "c:\\users\\admin\\appdata\\local\\temp\\neas.fc3775a630ef13715d49130070924f90.exe:*:Enabled:SMPN" NEAS.fc3775a630ef13715d49130070924f90.exe -
Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdfmgr = "c:\\windows\\wdfmgr.exe" NEAS.fc3775a630ef13715d49130070924f90.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run NEAS.fc3775a630ef13715d49130070924f90.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msrpc = "c:\\windows\\msrpc.exe" NEAS.fc3775a630ef13715d49130070924f90.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run NEAS.fc3775a630ef13715d49130070924f90.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wdfmgr\ImagePath = "c:\\windows\\wdfmgr.exe" NEAS.fc3775a630ef13715d49130070924f90.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wdfmgr = "c:\\windows\\wdfmgr.exe" NEAS.fc3775a630ef13715d49130070924f90.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\wdfmgr = "c:\\windows\\wdfmgr.exe" NEAS.fc3775a630ef13715d49130070924f90.exe Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsassv = "c:\\windows\\lsassv.exe" NEAS.fc3775a630ef13715d49130070924f90.exe -
Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\r: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\l: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\z: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\y: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\u: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\t: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\q: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\n: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\g: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\e: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\m: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\k: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\h: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\o: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\w: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\v: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\s: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\p: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\j: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\i: NEAS.fc3775a630ef13715d49130070924f90.exe File opened (read-only) \??\x: NEAS.fc3775a630ef13715d49130070924f90.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe NEAS.fc3775a630ef13715d49130070924f90.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\AdobeLoader.scr NEAS.fc3775a630ef13715d49130070924f90.exe File opened for modification \??\c:\windows\regedit2.exe NEAS.fc3775a630ef13715d49130070924f90.exe File created \??\c:\windows\Start Menu\Programs\Startup\AdobeLoader.scr NEAS.fc3775a630ef13715d49130070924f90.exe File created \??\c:\windows\calc.exe NEAS.fc3775a630ef13715d49130070924f90.exe File created \??\c:\windows\regedit2.exe NEAS.fc3775a630ef13715d49130070924f90.exe File opened for modification \??\c:\windows\lsassv.exe NEAS.fc3775a630ef13715d49130070924f90.exe File opened for modification \??\c:\windows\msrpc.exe NEAS.fc3775a630ef13715d49130070924f90.exe File opened for modification \??\c:\windows\calc.exe NEAS.fc3775a630ef13715d49130070924f90.exe File opened for modification \??\c:\windows\mui\rctfd.sys NEAS.fc3775a630ef13715d49130070924f90.exe File created \??\c:\windows\lsassv.exe NEAS.fc3775a630ef13715d49130070924f90.exe File created \??\c:\windows\msrpc.exe NEAS.fc3775a630ef13715d49130070924f90.exe File created \??\c:\windows\wdfmgr.exe NEAS.fc3775a630ef13715d49130070924f90.exe File opened for modification \??\c:\windows\wdfmgr.exe NEAS.fc3775a630ef13715d49130070924f90.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A} NEAS.fc3775a630ef13715d49130070924f90.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\neas.fc3775a630ef13715d49130070924f90.exe" NEAS.fc3775a630ef13715d49130070924f90.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VerProg = "157" NEAS.fc3775a630ef13715d49130070924f90.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1812 NEAS.fc3775a630ef13715d49130070924f90.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.fc3775a630ef13715d49130070924f90.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.fc3775a630ef13715d49130070924f90.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:1812
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
475KB
MD50613ae40e4b551d2ebc2e01b21b205ff
SHA1c508845b73b9cf21ac562606043970b8309ef535
SHA256ca80d2ec736b9b81eade3f510965e00aa2083bae79315850e3127e429f2ff351
SHA512b7041ea58d1a23685f9df362c3e9228cbdfe4111ad98d59d44f07c39fd7015ed788be1a4933f6955d6e7faf8771e2b125bfe13a841c575f10e4af020fa6006de