Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 06:41

General

  • Target

    bd6564cb374ab6a75125855b9fbe3440fb248da434f61ecd439cd06726382bff.exe

  • Size

    6.9MB

  • MD5

    0a0d818f0c9762b3156f1c9b89b390bf

  • SHA1

    0bb6a04572b83930d47becf9294c897eeba4e7f4

  • SHA256

    bd6564cb374ab6a75125855b9fbe3440fb248da434f61ecd439cd06726382bff

  • SHA512

    d401f86a883151474d3b01db6bd440d496a15500b8647448d2d1a09ad5020b70cd67e378b95d2a99fbe878137d757207c48b2c5bdce8dbcdf7e238466848a379

  • SSDEEP

    98304:CzyQ4kc+v4jvDhsQepuwmrkz216aPE8d9X+X1M2CX27eGqc6hxTGZtsAzFjTidLb:XQ4PTP94zHQ9OX1M2CGjn6hDc6LKEzj

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\bd6564cb374ab6a75125855b9fbe3440fb248da434f61ecd439cd06726382bff.exe
    "C:\Users\Admin\AppData\Local\Temp\bd6564cb374ab6a75125855b9fbe3440fb248da434f61ecd439cd06726382bff.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Users\Admin\AppData\Local\Temp\is-A783G.tmp\bd6564cb374ab6a75125855b9fbe3440fb248da434f61ecd439cd06726382bff.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-A783G.tmp\bd6564cb374ab6a75125855b9fbe3440fb248da434f61ecd439cd06726382bff.tmp" /SL5="$601F4,6985458,68096,C:\Users\Admin\AppData\Local\Temp\bd6564cb374ab6a75125855b9fbe3440fb248da434f61ecd439cd06726382bff.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1844
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4184
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2492
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:452
          • C:\Program Files (x86)\WMAFormat\wmaformat.exe
            "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.6MB

        MD5

        94f4cfcfcb4b7598f29bd5c530aee8d9

        SHA1

        5db72596fd1c1d4cdeaeac70e799be81b37d3caa

        SHA256

        88fbd2eccec202536b1667a9159f68296e157dd1e19a9d001f8743ec77e5b203

        SHA512

        d540e54012ab0d7b94fb2161906e5813d27c8b4dff2d0c0fb945709324dfffb64ebdbfc32e85019ca24f0a5282ed47b83e9e83355c76b5583a065db6f6b2a821

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

        Filesize

        1.7MB

        MD5

        c3436454aba0f019ccbe181d889ccfd9

        SHA1

        0af227ea2ed3e98f668708526d0c17eb3a892a3d

        SHA256

        fb9004553ea667296df65200eea1274c807f5252a20155d6db7c477c842eacfc

        SHA512

        94de04820981c8079dda46983df33458d095987430eea8d85a447a73ec38c9112ded4302486970420eae37750899d8bc440691f3a9a44f21e2e6790d65fe1771

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

        Filesize

        840KB

        MD5

        6123dd77fa43b9aa71e32822a7b8e959

        SHA1

        8053a8a28c308d51da67c02347b89b4726c82f82

        SHA256

        bdbab99a5e6752b6f3265219b96298af081b3948759d3d7bb598d6701a9426df

        SHA512

        03fc2b9a7d8be04df5fbf898d1d7967dc3afa5d455b6379c0586fed66a0d5a9621f75b05a4d95a58afb264605bbf2dc791b376846dc39283c0963f1d6c015d29

      • C:\Users\Admin\AppData\Local\Temp\is-64CIG.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-64CIG.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-A783G.tmp\bd6564cb374ab6a75125855b9fbe3440fb248da434f61ecd439cd06726382bff.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1256-163-0x0000000000790000-0x0000000000791000-memory.dmp

        Filesize

        4KB

      • memory/1256-10-0x0000000000790000-0x0000000000791000-memory.dmp

        Filesize

        4KB

      • memory/1256-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1920-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-179-0x0000000000810000-0x00000000008AE000-memory.dmp

        Filesize

        632KB

      • memory/1920-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-183-0x0000000000810000-0x00000000008AE000-memory.dmp

        Filesize

        632KB

      • memory/1920-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1920-190-0x0000000000810000-0x00000000008AE000-memory.dmp

        Filesize

        632KB

      • memory/4184-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4184-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4184-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4952-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4952-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4952-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB