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Analysis

  • max time kernel
    144s
  • max time network
    150s
  • 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, 12:30

General

  • Target

    a60256a3ad4f2e083b5222aeab7f47546e002c4368d8cff9634787fbfe9b42e2.exe

  • Size

    6.9MB

  • MD5

    2b70d3700aa736c0cf0c26dcfef54a33

  • SHA1

    fb3ac7cd4cd0668acf00a4f669ee118499921515

  • SHA256

    a60256a3ad4f2e083b5222aeab7f47546e002c4368d8cff9634787fbfe9b42e2

  • SHA512

    46bce96fec23e19b4ec4577a35b51c7f683aab43f07661e4bdaad87241ea7d8855070710702afa54760da83a7696ec6b5f0b2d127a328b16301d0a86843deaa1

  • SSDEEP

    196608:aDoG3bFqjpLC0TSMLsn33HR83v9i8l7INzj:aDyNLCWZ2HS9iQ7INzj

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\a60256a3ad4f2e083b5222aeab7f47546e002c4368d8cff9634787fbfe9b42e2.exe
    "C:\Users\Admin\AppData\Local\Temp\a60256a3ad4f2e083b5222aeab7f47546e002c4368d8cff9634787fbfe9b42e2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Users\Admin\AppData\Local\Temp\is-K90U3.tmp\a60256a3ad4f2e083b5222aeab7f47546e002c4368d8cff9634787fbfe9b42e2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-K90U3.tmp\a60256a3ad4f2e083b5222aeab7f47546e002c4368d8cff9634787fbfe9b42e2.tmp" /SL5="$500E8,6971036,68096,C:\Users\Admin\AppData\Local\Temp\a60256a3ad4f2e083b5222aeab7f47546e002c4368d8cff9634787fbfe9b42e2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2084
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4836
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4784
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1872
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:5092

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        974KB

        MD5

        96c8f2ec68639ba818e69c26caf03905

        SHA1

        d329dd7f2978043c55ae596f9237e0a6c2770a85

        SHA256

        60c7cf3ba354c8a9d8cedff893111fdaceeda2e717bc55c77da5b7d3acf035d0

        SHA512

        8cccc6dc43bb122fa5cba9b5f633e7f73727e066b8fc2c8693c5d47aad069e096cbeabffa8d5cbb21255a140d8e3c1e49311f815f6ff9b46ba6f7c9e13c733d4

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

        Filesize

        897KB

        MD5

        3e7be95a906633cb9729e3df0db69ba9

        SHA1

        6a12a9a209318247db7c22514b1b16ae73fd79a0

        SHA256

        a5a29fcaa10ed6decea0e6f30411b65cdb8e761b70fd0191d1a22fbc6fa08a38

        SHA512

        046b8baac9e0085e4f6b6b5cbd456a836da9380779b37aef9ce6eb295298a274d65d62df686b4da99edef66b8564a5bb4d56730692446b3717c947d3c04dc998

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

        Filesize

        226KB

        MD5

        9ae4654939d10de5cb196968c55732f7

        SHA1

        c0ba5072bb6b5bfeb912636e81607ea88fb17eaf

        SHA256

        d810a05e7341e7b00946269eb951a00540a2d26052131583728a0e93b82b7933

        SHA512

        ac493cc0ea4a74e7f616916cb3a48c12f758fb83e65343004e3daaff285cff54d3a7ca61f1db52241541857ce26ff585476fdc99b9afb1e375a00cfb674f534c

      • C:\Users\Admin\AppData\Local\Temp\is-K90U3.tmp\a60256a3ad4f2e083b5222aeab7f47546e002c4368d8cff9634787fbfe9b42e2.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/856-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/856-163-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/856-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4352-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4352-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4352-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4784-181-0x00000000007A0000-0x000000000083E000-memory.dmp

        Filesize

        632KB

      • memory/4784-179-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-190-0x00000000007A0000-0x000000000083E000-memory.dmp

        Filesize

        632KB

      • memory/4784-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4784-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4836-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4836-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4836-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB