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Analysis

  • max time kernel
    147s
  • max time network
    152s
  • 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, 15:57

General

  • Target

    494e0ec47e2312325b337a4227ef7474bcb3fa212d2d4da290bcc8313020bfa0.exe

  • Size

    6.9MB

  • MD5

    90039d07fb1002b300bb19aaf8a07f36

  • SHA1

    c0f70f4e1e05b51a7b97e0b4cd7c44acfa7bd20f

  • SHA256

    494e0ec47e2312325b337a4227ef7474bcb3fa212d2d4da290bcc8313020bfa0

  • SHA512

    d0f35fc2cb54c5a45e464cb1bdd5c86292e39dc5ce4b4c7576e779239a7a612cab57166594e3c2dbe52ff8b369296eb98bf107e91eb6936ea3a2d600347c8155

  • SSDEEP

    196608:DeusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:SVsg95KnxLrGufn765k+zj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\494e0ec47e2312325b337a4227ef7474bcb3fa212d2d4da290bcc8313020bfa0.exe
    "C:\Users\Admin\AppData\Local\Temp\494e0ec47e2312325b337a4227ef7474bcb3fa212d2d4da290bcc8313020bfa0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Users\Admin\AppData\Local\Temp\is-O9NC1.tmp\494e0ec47e2312325b337a4227ef7474bcb3fa212d2d4da290bcc8313020bfa0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-O9NC1.tmp\494e0ec47e2312325b337a4227ef7474bcb3fa212d2d4da290bcc8313020bfa0.tmp" /SL5="$9014C,6944675,68096,C:\Users\Admin\AppData\Local\Temp\494e0ec47e2312325b337a4227ef7474bcb3fa212d2d4da290bcc8313020bfa0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4028
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3120
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2332
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1676
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:620

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1024KB

        MD5

        767d17a56f6b0d69ddb5f108f3da8a88

        SHA1

        2719922808cf145628499931d1130df8fc5c1c2f

        SHA256

        e9fed18731188e9ba8b16b6cf2f8efbc852cf6d6b7cce10995eed48a97f4af76

        SHA512

        7f88a366f815b5bf69c3c2267f554dc371568822e4afeee822f203b37076b0f3e9144cc0e4d8e3e54184d274d962a01a6a1c2e0c2c37bd5a3c5d9edeada31f1e

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1.0MB

        MD5

        ccbb14f4220a8e1d534c858af06bc945

        SHA1

        96fff8206516829aea4fd0f63d591934bb8031bc

        SHA256

        7a91d393e91c5932775ffe4127dd961f43745279dfe3727913041b1448e9ee36

        SHA512

        10f69260689b7db130d2e9cb9c639d042cdbc2c7f29d09331affd93d8588a66669674087648cfd5d8f7ea2f02ff7b2f2c45d36edbf0a519d338b805d4da098b5

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        18KB

        MD5

        38323dd7cf2a27c6f113dc561d5f7f1c

        SHA1

        b2495cfda7e4aff86cc47c9f63945b6cfc2655a2

        SHA256

        ef4f2d2025931ac0c03faa8eacd8fda76f5ca1f002b0748c90b258461171c4ae

        SHA512

        4f7dc74612023dca53a825fea20d21dbefdde905c0e52aa3544537ce13af9c3c6be761b734f76a01f01a68bc50ee3afa7446fe239fb8c28a79e5ff0f23a3eb26

      • C:\Users\Admin\AppData\Local\Temp\is-50JN8.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-50JN8.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-O9NC1.tmp\494e0ec47e2312325b337a4227ef7474bcb3fa212d2d4da290bcc8313020bfa0.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2332-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-190-0x0000000000940000-0x00000000009DE000-memory.dmp

        Filesize

        632KB

      • memory/2332-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-183-0x0000000000940000-0x00000000009DE000-memory.dmp

        Filesize

        632KB

      • memory/2332-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2332-179-0x0000000000940000-0x00000000009DE000-memory.dmp

        Filesize

        632KB

      • memory/2332-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2576-163-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/2576-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2576-13-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/3120-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3120-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3120-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3120-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4464-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4464-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4464-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB