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Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 16:53

General

  • Target

    7e3eb01ce1076d27edbb8a7c52198f37.exe

  • Size

    62KB

  • MD5

    7e3eb01ce1076d27edbb8a7c52198f37

  • SHA1

    0497bc656f5fddf37dca56cb1bd1259f1f9f0aba

  • SHA256

    77e48cb8b08427f70d79a6c59879f0de8ef5a8b34c0bfefd04d0986d70a4b4da

  • SHA512

    4ee88112142ef7dd508af5229d157b57d5478f97288fb1b72605b4a818645b1f9b91c4ae0f61b9f97a5dd626965f55c3cdfbb41a96f2f2a3a36400c9b79105bb

  • SSDEEP

    768:h25ylJz2omQYdKdlDAKKfW6DFKibnqenVA7/Hpheb+V7xnRqA66Ky+4XO4:E2RQK/JKjKizqenV2L36Ar

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 21 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e3eb01ce1076d27edbb8a7c52198f37.exe
    "C:\Users\Admin\AppData\Local\Temp\7e3eb01ce1076d27edbb8a7c52198f37.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SysWOW64\cacls.exe
      "C:\Windows\system32\cacls" "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Launch Internet Explorer Browser.lnk" /E /C /G everyone:F
      2⤵
        PID:1904
      • C:\Windows\SysWOW64\cacls.exe
        "C:\Windows\system32\cacls" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Internet Explorer (No Add-ons).lnk" /E /C /G everyone:F
        2⤵
          PID:2720
        • C:\Windows\SysWOW64\cacls.exe
          "C:\Windows\system32\cacls" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Internet Explorer.lnk" /E /C /G everyone:F
          2⤵
            PID:2460
          • C:\WINDOWS\SysWOW64\cmd.exe
            C:\WINDOWS\system32\cmd.exe /c c:\windows\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2688
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1
              3⤵
              • Runs ping.exe
              PID:2092
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1
              3⤵
              • Runs ping.exe
              PID:2576
            • C:\Windows\SysWOW64\regedit.exe
              regedit.exe /s {e17d4fc0-5564-11d1-83f2-00a0c90dc849}.reg
              3⤵
              • Runs .reg file with regedit
              PID:2548
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Windows\racc.bat
            2⤵
            • Deletes itself
            • Suspicious use of WriteProcessMemory
            PID:2984
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          1⤵
          • Runs ping.exe
          PID:1740

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\racc.bat

          Filesize

          217B

          MD5

          72a006b7137f79093c0aa1e8961d44f4

          SHA1

          a3e972c916b6cf66c43d7467cf07535f79b92a62

          SHA256

          12e0c3dd30f810cd900ef12a2195232d64d0dd7f96a90307765177e7333f2cd3

          SHA512

          33456fc19821571709080305e912eca9743ebbed6ef67c46fee0a3a213a4f91929595c6ab097e0bf25a7944fe3b7328de3a8bf3143b82f4e2fcbace57dc5a72a

        • C:\Windows\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}.reg

          Filesize

          174B

          MD5

          9a6cb5b54c68a97bde0a95826e73a83c

          SHA1

          909a9d7abd33f16ee843c7f93cde51af6db01e2e

          SHA256

          b7ef73c48fb8896d4ab1b703a4be8153c3ba3b242e09c07b935586117b677769

          SHA512

          ec737cb7c7ec256e15a001a9d9e03758b60c7356ad687f010c6a9e16953b518b51b99fbd7aaa173ace7389496ad1ddc54b2190c4ab7281917a6b627c138fd740

        • \??\c:\windows\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}.bat

          Filesize

          186B

          MD5

          7e64707263e2f70cb09aef8e88592a2c

          SHA1

          3ec6aaa65888e63cb675672bde6525fcc94487da

          SHA256

          db6614bec72aaeb48e307d4c082c30ad0341d5fb486f2624690f21f045cb47c3

          SHA512

          fa4b720d17b8e025c1d00fc1efc73222dac68592d81a861b4b7179a074e16753d06fa9f79139e6f8231f2c28652788b2d6b3c97b87a01e636c1b735f0e46fa14

        • memory/1368-11-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB