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Analysis

  • max time kernel
    0s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 11:13

General

  • Target

    69fe749b63c4d59f480ff443d2112e41.dll

  • Size

    161KB

  • MD5

    69fe749b63c4d59f480ff443d2112e41

  • SHA1

    ebc782e0fb4994008f88e9e99375e2741f73343e

  • SHA256

    6e508bb54af0305a9d707641654c1fbad951144e53dc004498299344c56f5c67

  • SHA512

    bda0a5333c498ac6082bea783e86d4cd22082ea9844b064784792b5a9b7ad51f13ed5ca4d125fae769115250eaa90d48f4ba5e527cbf2949659078a97920799f

  • SSDEEP

    3072:Hw8cjtD3iPjcwvGBLS8fBz02e4muPjMRDX7LiT+v5GA4/Aqdcfsw:Hu6cwvELSgO2jANiAYAUy

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\69fe749b63c4d59f480ff443d2112e41.dll,#1
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\SysWOW64\explorer.exe
      explorer C:\Users\Admin\AppData
      2⤵
        PID:208
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\69fe749b63c4d59f480ff443d2112e41.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4496
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
        PID:5020
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:4732
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
          • Modifies registry class
          • Suspicious use of FindShellTrayWindow
          PID:3476

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/400-6-0x0000000077662000-0x0000000077663000-memory.dmp

          Filesize

          4KB

        • memory/400-7-0x000000007F9F0000-0x000000007F9F1000-memory.dmp

          Filesize

          4KB

        • memory/400-5-0x0000000000890000-0x00000000008B2000-memory.dmp

          Filesize

          136KB

        • memory/400-3-0x0000000000890000-0x00000000008B2000-memory.dmp

          Filesize

          136KB