Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 08:37

General

  • Target

    0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a.exe

  • Size

    6.9MB

  • MD5

    eb5e752f6dea4f843d3a66d5034b02da

  • SHA1

    04a6bbcb0af57c5417c51259ae09bc5517a02bdb

  • SHA256

    0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a

  • SHA512

    b72dadd4cfe5639379bf968abbd25f1e480fc8673e7891d4f011b47dfb27b9f9a71df520c6faced1629fa13240ebc14bc6ead6b8b36bcedfb0541b2e8cb2e23b

  • SSDEEP

    196608:0yD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:D4Uvfc2RGatZcXF5uzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a.exe
    "C:\Users\Admin\AppData\Local\Temp\0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Users\Admin\AppData\Local\Temp\is-57VPH.tmp\0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-57VPH.tmp\0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a.tmp" /SL5="$80206,6986290,68096,C:\Users\Admin\AppData\Local\Temp\0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4220
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2728
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3820
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3184
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4224
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4252

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        1.4MB

        MD5

        123f64478f68cb97165e667113136d0e

        SHA1

        8f1e2bd778d7cd5baab3962f60c35a054df5fc53

        SHA256

        e73ae73d65e9358fa396290b83ef64347791ef6ebc601b3e81860191c4679126

        SHA512

        75d53094ee8fd798232c3b7b7f39c2a8869c5974fc6c27ebc369eff8cf832da0d113ac50807abb1974e38721ba7441b1994663438248da330ac705861d0ab5a8

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        544KB

        MD5

        42d84fa62662951bb8ce7b7f1f1d6eaa

        SHA1

        78651c5cac2d555b87dfb3662f716052e482eeb2

        SHA256

        a29bc5d6b3e1bea7929c9c4d9f7cc2a22676fc9f79c10087b0635ad693112171

        SHA512

        91cc423bbe0cefea11f0f3ad16bc756ae3e67756e1daa96eefbc0a3c87d88d702f5bbb8e6dcceeb0ace6855f256a259130e07dbb3675f79e0cde1a6f245fe8bf

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        77KB

        MD5

        9a572cc6bfe32bc30083f71f461c12a8

        SHA1

        7c9892bd65db266b34aa96da2facc90d8a2842dd

        SHA256

        6bc8671c32506398bf708280bc75e654fd332dfe79827d5ca3a68c2c980af514

        SHA512

        d2e4b45ce04b495a78bbf56e40f6e45b1a0c85e38ed80b61175b4adde5b4adca99c5d1f2736253c322c7bbd17bf1833434b8f1e0fcd44ec4e1fb848fd6e57240

      • C:\Users\Admin\AppData\Local\Temp\is-57VPH.tmp\0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a.tmp

        Filesize

        678KB

        MD5

        b051d74b5b3f4f502e90c7a098227e43

        SHA1

        af724b2d469ef54552791379fc61542c0242f2de

        SHA256

        b087937eb80ae238d6e10e9f9adac3e1c439c120e52832c4cddfc4e5db181935

        SHA512

        26bc59fd6e48c78df31bd5aa467d8ff39b20cbc345280f1dc2c29eeffe1eacb44539365db1c9b3cc33597061405a644afeccd19a611598c4e303cca8ac7408c0

      • C:\Users\Admin\AppData\Local\Temp\is-57VPH.tmp\0c321aab35f4220cf166ca7621034caf5d6b51eade54216004a9505545293b6a.tmp

        Filesize

        563KB

        MD5

        e6ca10504d7ce9b617437ee11300852f

        SHA1

        77ff8e9559f7ea9a7a72321f8d99716ec30a2e32

        SHA256

        51b17579bd8abd79b9c1154b5b7ebda1a08be2f6015c189939654947cbbfd33f

        SHA512

        bdd68681e5fe00bfec855e6dab9bba422988c76b91c3625768d5f9a32d391c069a081e8e7a504e0664bff6f22db7896d1234775ed47b95facfa8154499db2a8c

      • \Users\Admin\AppData\Local\Temp\is-H304H.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-H304H.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/3184-179-0x00000000008A0000-0x000000000093E000-memory.dmp

        Filesize

        632KB

      • memory/3184-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-207-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-204-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-201-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-197-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-194-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-191-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-161-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-188-0x00000000008A0000-0x000000000093E000-memory.dmp

        Filesize

        632KB

      • memory/3184-165-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-187-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-169-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-172-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-175-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-184-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3184-178-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3820-150-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3820-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3820-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3820-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4220-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4220-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4220-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4836-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4836-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB