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Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 16:10

General

  • Target

    ea4e5df4f3581fb57c8c89f8eb2ab1fb.exe

  • Size

    24KB

  • MD5

    ea4e5df4f3581fb57c8c89f8eb2ab1fb

  • SHA1

    ca81d40e97dfe23437d0e2d701eed90adf12f85a

  • SHA256

    8e693a263d61a44a9ef68b7c082ed22453c9671919a75fc7b90be4ae67c07d76

  • SHA512

    7161a7796cd698fec123d2b5ad2a6080cbe815b66ab7d855e69a8706321343fed5a70fe409353bd0ff600459f4c8db938aab2019263784a4a846b9dc7ba46745

  • SSDEEP

    384:E3eVES+/xwGkRKJJIlM61qmTTMVF9/q5q0:bGS+ZfbJqO8qYoAb

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea4e5df4f3581fb57c8c89f8eb2ab1fb.exe
    "C:\Users\Admin\AppData\Local\Temp\ea4e5df4f3581fb57c8c89f8eb2ab1fb.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:2668
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:2756
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2752
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2796
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:2684
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2696

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        8KB

        MD5

        c9d079328dadda3e7fa132d2892c7aed

        SHA1

        edc4babbc05869699d1a0dbd0680135e9de1896b

        SHA256

        ebefa9e50751eb5a03c916f1c2e9a6c12cb03f516f156a9167df2256424614a1

        SHA512

        fdf186aededfbc57419f83e3dfcea84137e977a7545f58b77d0d4804fd26cfbf385e3482b2d2b8031fb0fac0493cbe39638e14ee0b7cc7cf5c306e04ea3c831f