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Analysis

  • max time kernel
    151s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2023, 02:12

General

  • Target

    NEAS.f48fde7e540a888f7cf73e607cf32dc0.exe

  • Size

    1.2MB

  • MD5

    f48fde7e540a888f7cf73e607cf32dc0

  • SHA1

    368b7e840e5e028be9e94e3c85a454fe16b2e2ec

  • SHA256

    1695315c0df6acabe55a5fce3a7fb42f904696512a17078bf6c3b99bdf2ab485

  • SHA512

    a5c076d1e31f8063264be148fb467ba4e9414fedba0aa0055094cf8581d40d170f8883507f1a7fb3d94216969cb61b5697182494c6a753de01fe32f5bee04e55

  • SSDEEP

    24576:6nZaHEunzpoeb2JDMXVv4jg1y+cjvA/RnWp7SnXi2zxkqq:iak8pLbkI54jUyno/R3Xi2iqq

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 36 IoCs
  • Drops file in Windows directory 4 IoCs
  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.f48fde7e540a888f7cf73e607cf32dc0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.f48fde7e540a888f7cf73e607cf32dc0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1608
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2384
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2680
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2576
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:2624
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:15 /f
            5⤵
            • Creates scheduled task(s)
            PID:2508
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:16 /f
            5⤵
            • Creates scheduled task(s)
            PID:1140
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:17 /f
            5⤵
            • Creates scheduled task(s)
            PID:1312
      • C:\Windows\Explorer.exe
        C:\Windows\Explorer.exe
        3⤵
          PID:2524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Resources\Themes\explorer.exe

      Filesize

      1.2MB

      MD5

      fc10f5f996c58ee639e4fc6805c5e543

      SHA1

      562744b84acecdd919b9c74ee1df006620ec9186

      SHA256

      4c73b0ea7b14fbf84a224efdb1f1cf61471899cbad6afc74960cd2e5e7d345ef

      SHA512

      979df921ff366487d52d199d0023fdff604a8151935fa59f67f3290cdeed5ddeac16f65d415dd8f9681660f4c94f18ceff14d72c099d8fc9a47b318f8480d3b9

    • C:\Windows\Resources\Themes\explorer.exe

      Filesize

      1.2MB

      MD5

      fc10f5f996c58ee639e4fc6805c5e543

      SHA1

      562744b84acecdd919b9c74ee1df006620ec9186

      SHA256

      4c73b0ea7b14fbf84a224efdb1f1cf61471899cbad6afc74960cd2e5e7d345ef

      SHA512

      979df921ff366487d52d199d0023fdff604a8151935fa59f67f3290cdeed5ddeac16f65d415dd8f9681660f4c94f18ceff14d72c099d8fc9a47b318f8480d3b9

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      1.2MB

      MD5

      546e27f25254d00579f166298287eed3

      SHA1

      51f2c5930b0424a2f257ad22707e6a6d2747d70e

      SHA256

      a2091912996b17889d1013970a40419287121784ca2508f69cc6393c126d7191

      SHA512

      2067b53761cf675a9f5498f88a13e99770f8354187545f56101acca2ccb90932bb72b91de9fa1bd55c5e5dc78774d3f9394fdbfeb082feba7761499fc4e19a9c

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      1.2MB

      MD5

      546e27f25254d00579f166298287eed3

      SHA1

      51f2c5930b0424a2f257ad22707e6a6d2747d70e

      SHA256

      a2091912996b17889d1013970a40419287121784ca2508f69cc6393c126d7191

      SHA512

      2067b53761cf675a9f5498f88a13e99770f8354187545f56101acca2ccb90932bb72b91de9fa1bd55c5e5dc78774d3f9394fdbfeb082feba7761499fc4e19a9c

    • C:\Windows\Resources\svchost.exe

      Filesize

      1.2MB

      MD5

      e7151e3b610c8fcf0fb3fec1cb6594a6

      SHA1

      45f05b61253f44f0ee504c4ea93c6301e93ae37d

      SHA256

      6e4071d4e91d827d34c1af4d79013ef9b59286f651c4b6c7023aab5f2d94c76c

      SHA512

      869e8a24ae556425e6d2dba48f64799ad6736f46477842e7727fa8405764a0cf998ff6a2a499a02a98c4e59040381ef9a156cc1a98c44c52e5d2bcef7a39c6f9

    • \??\c:\windows\resources\spoolsv.exe

      Filesize

      1.2MB

      MD5

      546e27f25254d00579f166298287eed3

      SHA1

      51f2c5930b0424a2f257ad22707e6a6d2747d70e

      SHA256

      a2091912996b17889d1013970a40419287121784ca2508f69cc6393c126d7191

      SHA512

      2067b53761cf675a9f5498f88a13e99770f8354187545f56101acca2ccb90932bb72b91de9fa1bd55c5e5dc78774d3f9394fdbfeb082feba7761499fc4e19a9c

    • \??\c:\windows\resources\svchost.exe

      Filesize

      1.2MB

      MD5

      e7151e3b610c8fcf0fb3fec1cb6594a6

      SHA1

      45f05b61253f44f0ee504c4ea93c6301e93ae37d

      SHA256

      6e4071d4e91d827d34c1af4d79013ef9b59286f651c4b6c7023aab5f2d94c76c

      SHA512

      869e8a24ae556425e6d2dba48f64799ad6736f46477842e7727fa8405764a0cf998ff6a2a499a02a98c4e59040381ef9a156cc1a98c44c52e5d2bcef7a39c6f9

    • \??\c:\windows\resources\themes\explorer.exe

      Filesize

      1.2MB

      MD5

      fc10f5f996c58ee639e4fc6805c5e543

      SHA1

      562744b84acecdd919b9c74ee1df006620ec9186

      SHA256

      4c73b0ea7b14fbf84a224efdb1f1cf61471899cbad6afc74960cd2e5e7d345ef

      SHA512

      979df921ff366487d52d199d0023fdff604a8151935fa59f67f3290cdeed5ddeac16f65d415dd8f9681660f4c94f18ceff14d72c099d8fc9a47b318f8480d3b9

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      1.2MB

      MD5

      fc10f5f996c58ee639e4fc6805c5e543

      SHA1

      562744b84acecdd919b9c74ee1df006620ec9186

      SHA256

      4c73b0ea7b14fbf84a224efdb1f1cf61471899cbad6afc74960cd2e5e7d345ef

      SHA512

      979df921ff366487d52d199d0023fdff604a8151935fa59f67f3290cdeed5ddeac16f65d415dd8f9681660f4c94f18ceff14d72c099d8fc9a47b318f8480d3b9

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      1.2MB

      MD5

      fc10f5f996c58ee639e4fc6805c5e543

      SHA1

      562744b84acecdd919b9c74ee1df006620ec9186

      SHA256

      4c73b0ea7b14fbf84a224efdb1f1cf61471899cbad6afc74960cd2e5e7d345ef

      SHA512

      979df921ff366487d52d199d0023fdff604a8151935fa59f67f3290cdeed5ddeac16f65d415dd8f9681660f4c94f18ceff14d72c099d8fc9a47b318f8480d3b9

    • \Windows\Resources\spoolsv.exe

      Filesize

      1.2MB

      MD5

      546e27f25254d00579f166298287eed3

      SHA1

      51f2c5930b0424a2f257ad22707e6a6d2747d70e

      SHA256

      a2091912996b17889d1013970a40419287121784ca2508f69cc6393c126d7191

      SHA512

      2067b53761cf675a9f5498f88a13e99770f8354187545f56101acca2ccb90932bb72b91de9fa1bd55c5e5dc78774d3f9394fdbfeb082feba7761499fc4e19a9c

    • \Windows\Resources\spoolsv.exe

      Filesize

      1.2MB

      MD5

      546e27f25254d00579f166298287eed3

      SHA1

      51f2c5930b0424a2f257ad22707e6a6d2747d70e

      SHA256

      a2091912996b17889d1013970a40419287121784ca2508f69cc6393c126d7191

      SHA512

      2067b53761cf675a9f5498f88a13e99770f8354187545f56101acca2ccb90932bb72b91de9fa1bd55c5e5dc78774d3f9394fdbfeb082feba7761499fc4e19a9c

    • \Windows\Resources\spoolsv.exe

      Filesize

      1.2MB

      MD5

      546e27f25254d00579f166298287eed3

      SHA1

      51f2c5930b0424a2f257ad22707e6a6d2747d70e

      SHA256

      a2091912996b17889d1013970a40419287121784ca2508f69cc6393c126d7191

      SHA512

      2067b53761cf675a9f5498f88a13e99770f8354187545f56101acca2ccb90932bb72b91de9fa1bd55c5e5dc78774d3f9394fdbfeb082feba7761499fc4e19a9c

    • \Windows\Resources\spoolsv.exe

      Filesize

      1.2MB

      MD5

      546e27f25254d00579f166298287eed3

      SHA1

      51f2c5930b0424a2f257ad22707e6a6d2747d70e

      SHA256

      a2091912996b17889d1013970a40419287121784ca2508f69cc6393c126d7191

      SHA512

      2067b53761cf675a9f5498f88a13e99770f8354187545f56101acca2ccb90932bb72b91de9fa1bd55c5e5dc78774d3f9394fdbfeb082feba7761499fc4e19a9c

    • \Windows\Resources\svchost.exe

      Filesize

      1.2MB

      MD5

      e7151e3b610c8fcf0fb3fec1cb6594a6

      SHA1

      45f05b61253f44f0ee504c4ea93c6301e93ae37d

      SHA256

      6e4071d4e91d827d34c1af4d79013ef9b59286f651c4b6c7023aab5f2d94c76c

      SHA512

      869e8a24ae556425e6d2dba48f64799ad6736f46477842e7727fa8405764a0cf998ff6a2a499a02a98c4e59040381ef9a156cc1a98c44c52e5d2bcef7a39c6f9

    • \Windows\Resources\svchost.exe

      Filesize

      1.2MB

      MD5

      e7151e3b610c8fcf0fb3fec1cb6594a6

      SHA1

      45f05b61253f44f0ee504c4ea93c6301e93ae37d

      SHA256

      6e4071d4e91d827d34c1af4d79013ef9b59286f651c4b6c7023aab5f2d94c76c

      SHA512

      869e8a24ae556425e6d2dba48f64799ad6736f46477842e7727fa8405764a0cf998ff6a2a499a02a98c4e59040381ef9a156cc1a98c44c52e5d2bcef7a39c6f9

    • memory/1608-0-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/1608-12-0x0000000003500000-0x0000000003884000-memory.dmp

      Filesize

      3.5MB

    • memory/1608-61-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-88-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-86-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-68-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-92-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-33-0x00000000034A0000-0x0000000003824000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-82-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-78-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-76-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-74-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-28-0x00000000034A0000-0x0000000003824000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-14-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-62-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-63-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-72-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2384-70-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-73-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-77-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-66-0x00000000034D0000-0x0000000003854000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-69-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-65-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-71-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-64-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-91-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-89-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-75-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-87-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-67-0x00000000034D0000-0x0000000003854000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-56-0x00000000034D0000-0x0000000003854000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-79-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-81-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-53-0x00000000034D0000-0x0000000003854000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-83-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2576-46-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2624-57-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2624-59-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2680-43-0x00000000033F0000-0x0000000003774000-memory.dmp

      Filesize

      3.5MB

    • memory/2680-60-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB

    • memory/2680-31-0x0000000000400000-0x0000000000784000-memory.dmp

      Filesize

      3.5MB