Analysis
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max time kernel
173s -
max time network
196s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
05-11-2023 19:46
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe
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Size
475KB
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MD5
4fab848c48f6f989acd2a29f679fcdb0
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SHA1
5538553e2589b08f8419014b3453639604e1d12e
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SHA256
115dec297bb72c417f8bcbb72a3303138c377b93694c16a01f2bb4e5466540f4
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SHA512
b360ebaa1e650f3f89877f4004e67c659359cf1e1591935147908c675b461cd68d24f46eb54aba06b61f2e7e955c563a2bc03d4cda83372d0f4dc537c8185566
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SSDEEP
6144:pjFRiOcXH6XWD0w1tizmtnktLJ6znvxNcCI+1jDIlnJ9+1aTEPTnOK4JKEl+/:nRDc3yWDNU+YUznzNjElWaT07NQt+/
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 NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\c:\users\admin\appdata\local\temp\neas.4fab848c48f6f989acd2a29f679fcdb0.exe = "c:\\users\\admin\\appdata\\local\\temp\\neas.4fab848c48f6f989acd2a29f679fcdb0.exe:*:Enabled:SMPN" NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe -
Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Set value (str) \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\wdfmgr = "c:\\windows\\wdfmgr.exe" NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\msrpc = "c:\\windows\\msrpc.exe" NEAS.4fab848c48f6f989acd2a29f679fcdb0.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.4fab848c48f6f989acd2a29f679fcdb0.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.4fab848c48f6f989acd2a29f679fcdb0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\wdfmgr = "c:\\windows\\wdfmgr.exe" NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Set value (str) \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsassv = "c:\\windows\\lsassv.exe" NEAS.4fab848c48f6f989acd2a29f679fcdb0.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) \??\u: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\r: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\p: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\n: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\l: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\j: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\e: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\z: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\t: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\s: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\o: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\y: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\x: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\v: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\k: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\i: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\h: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\g: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\w: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\q: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened (read-only) \??\m: NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File opened for modification \??\c:\windows\lsassv.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened for modification \??\c:\windows\calc.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File created \??\c:\windows\lsassv.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File created \??\c:\windows\calc.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File created \??\c:\windows\Start Menu\Programs\Startup\AdobeLoader.scr NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File created \??\c:\windows\wdfmgr.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened for modification \??\c:\windows\wdfmgr.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File created \??\c:\windows\regedit2.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened for modification \??\c:\windows\mui\rctfd.sys NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File created \??\c:\windows\msrpc.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened for modification \??\c:\windows\msrpc.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File opened for modification \??\c:\windows\regedit2.exe NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\AdobeLoader.scr NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe -
Modifies registry class 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\VerProg = "157" NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A} NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65D5AFFB-D4EF-49AA-GFFG-5DA5E12E300A}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\neas.4fab848c48f6f989acd2a29f679fcdb0.exe" NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2540 NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.4fab848c48f6f989acd2a29f679fcdb0.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:2540
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
MD5b80b004ea6eca5cfee4817e71b63b697
SHA1c34f1abc589e6cdbba00c88ce2c740ea261076b1
SHA2569f42d6002cef346bc6e464cf268da3538b4574c3c6767072bc785e52666d631c
SHA512b4bcbbee0f1bb28dc33195c42e4d48684f7421f28415a9ee86e6edf163836f71396d6c586e7420b12936c2e1c48c7fe44b5057c0d2a3ff8662190ee43ae8fd83