Analysis

  • max time kernel
    122s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    03-09-2021 02:03

General

  • Target

    ce5d381161004cbbd80eaf1f37089cb2.exe

  • Size

    748KB

  • MD5

    ce5d381161004cbbd80eaf1f37089cb2

  • SHA1

    b9005e605fac55df470cde2b1ab0a1441fb1527f

  • SHA256

    b0f43b627353f91afa5e4a9c5eea655f5375e497933a6e37c3c0f8a5a29a2889

  • SHA512

    30a4f9780bc2eddd79a5f64ddb186b6852c95c545b72351102d0883e81b15a99fb328b243fe48d6ac490749915c01c6a407746aa89f661e673b7638cdb9bb4d8

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce5d381161004cbbd80eaf1f37089cb2.exe
    "C:\Users\Admin\AppData\Local\Temp\ce5d381161004cbbd80eaf1f37089cb2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Program Files (x86)\internet explorer\ieinstal.exe
      "C:\Program Files (x86)\internet explorer\ieinstal.exe"
      2⤵
        PID:1004
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Public\Trast.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:920
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1000
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            4⤵
            • Modifies registry key
            PID:944
          • C:\Windows\SysWOW64\reg.exe
            reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
            4⤵
            • Modifies registry key
            PID:300
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
            4⤵
              PID:1732
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Public\nest.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:904
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            3⤵
            • Modifies registry key
            PID:1940

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      2
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Public\Trast.bat
        MD5

        4068c9f69fcd8a171c67f81d4a952a54

        SHA1

        4d2536a8c28cdcc17465e20d6693fb9e8e713b36

        SHA256

        24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

        SHA512

        a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

      • C:\Users\Public\UKO.bat
        MD5

        eaf8d967454c3bbddbf2e05a421411f8

        SHA1

        6170880409b24de75c2dc3d56a506fbff7f6622c

        SHA256

        f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

        SHA512

        fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

      • C:\Users\Public\nest.bat
        MD5

        8ada51400b7915de2124baaf75e3414c

        SHA1

        1a7b9db12184ab7fd7fce1c383f9670a00adb081

        SHA256

        45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

        SHA512

        9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

      • memory/300-77-0x0000000000000000-mapping.dmp
      • memory/904-79-0x0000000000000000-mapping.dmp
      • memory/920-68-0x0000000000000000-mapping.dmp
      • memory/944-76-0x0000000000000000-mapping.dmp
      • memory/1000-72-0x0000000000000000-mapping.dmp
      • memory/1004-71-0x00000000000D0000-0x00000000000D1000-memory.dmp
        Filesize

        4KB

      • memory/1004-73-0x0000000000190000-0x0000000000191000-memory.dmp
        Filesize

        4KB

      • memory/1004-74-0x0000000010590000-0x000000001060C000-memory.dmp
        Filesize

        496KB

      • memory/1004-70-0x0000000000090000-0x0000000000091000-memory.dmp
        Filesize

        4KB

      • memory/1004-66-0x0000000000000000-mapping.dmp
      • memory/1648-60-0x00000000001B0000-0x00000000001B1000-memory.dmp
        Filesize

        4KB

      • memory/1648-65-0x0000000076641000-0x0000000076643000-memory.dmp
        Filesize

        8KB

      • memory/1648-62-0x0000000001E60000-0x0000000001E7B000-memory.dmp
        Filesize

        108KB

      • memory/1732-78-0x0000000000000000-mapping.dmp
      • memory/1940-81-0x0000000000000000-mapping.dmp