Analysis

  • max time kernel
    144s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 07:23

General

  • Target

    46bbb52cc9263bb673a02e59c41d1e3e3c5038773dc3f5dbd7c6cdfd4e65b5a2.exe

  • Size

    6.9MB

  • MD5

    9b7e37a6e7f90416ab060052dc02626c

  • SHA1

    266d99557b8dd567844443b996fb8e9bf984f687

  • SHA256

    46bbb52cc9263bb673a02e59c41d1e3e3c5038773dc3f5dbd7c6cdfd4e65b5a2

  • SHA512

    e1dc9117e3e90e4e6d67b540fca4b7a671718b593fe0a05dc6f495d1b488602ea7eaefe86fde8787fa244f6e11d04606170871671dbd9761cb1321aa3736c3b4

  • SSDEEP

    98304:WCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:LstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj

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\46bbb52cc9263bb673a02e59c41d1e3e3c5038773dc3f5dbd7c6cdfd4e65b5a2.exe
    "C:\Users\Admin\AppData\Local\Temp\46bbb52cc9263bb673a02e59c41d1e3e3c5038773dc3f5dbd7c6cdfd4e65b5a2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Users\Admin\AppData\Local\Temp\is-0MLUR.tmp\46bbb52cc9263bb673a02e59c41d1e3e3c5038773dc3f5dbd7c6cdfd4e65b5a2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0MLUR.tmp\46bbb52cc9263bb673a02e59c41d1e3e3c5038773dc3f5dbd7c6cdfd4e65b5a2.tmp" /SL5="$B004A,6990075,68096,C:\Users\Admin\AppData\Local\Temp\46bbb52cc9263bb673a02e59c41d1e3e3c5038773dc3f5dbd7c6cdfd4e65b5a2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3228
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:644
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4064
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4932
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:936
          • C:\Program Files (x86)\WMAFormat\wmaformat.exe
            "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        524bfe0d470e2ab13742f92cdbfed508

        SHA1

        48101afa30091d7c96a380b5691ffacb5bc384df

        SHA256

        c4c9b495dc588973e4e7309756105795a1d3e0328fa19337a97f5b8a3ed45ea1

        SHA512

        50beaf5e63bdcfa1cff6fc3c4d88ba77e3ec55f6ae9d81163dea30b83f91fb672964460167a66730735d2fccfc8f92a209d272f69349b31b162abe939c7c504e

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

        Filesize

        1.2MB

        MD5

        b0b1aae45de7ca3e1bb93632c36cbe7f

        SHA1

        09e0622fead83ba00d66d4e6cbb615dcbd952a3a

        SHA256

        a655e233c7fbf992e5ad217b603b9e50e957ed3fc290dc9c8d6e02113e677694

        SHA512

        323256a94be1684a3de05c8a6e8c8f363a98f5efa51979209ddd3b8f0981605dc31733304a5aa450d77d25853c6609085824cd39fd5a29c9a8f3467decc024b5

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

        Filesize

        1.1MB

        MD5

        8e6d8161915c0ba8108c0b32067fc348

        SHA1

        1e18f7df080fa8463dd46016bbe322c256b9efbe

        SHA256

        bd8e4d1967407399a5c04bc46f67619a096f590a9e26ade2f47e8279bd06b054

        SHA512

        9dde539004f19a938968f6d3401ee281309f1e126459d294367ceaeeea15401176b337ac3671938adfa5e4a6f2413eadc92d77cfe11626827fab00131843cf8d

      • C:\Users\Admin\AppData\Local\Temp\is-0MLUR.tmp\46bbb52cc9263bb673a02e59c41d1e3e3c5038773dc3f5dbd7c6cdfd4e65b5a2.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-MP6SE.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-MP6SE.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2532-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-190-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/2532-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-181-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/2532-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2532-179-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2728-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2728-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3228-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3228-163-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/3228-9-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/4064-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4064-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4064-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4064-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB