Analysis

  • max time kernel
    152s
  • max time network
    154s
  • 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, 13:37

General

  • Target

    968bdd50f50152d192ad7c979a512aabdac33509193158fe355ef70de04b1245.exe

  • Size

    6.9MB

  • MD5

    06115ad4d9ea34d15937c87c7753818d

  • SHA1

    efc44f6688567fd1dd027003ddd0874f48b3c3bd

  • SHA256

    968bdd50f50152d192ad7c979a512aabdac33509193158fe355ef70de04b1245

  • SHA512

    4280ad0bb444d8eb31ac88325a3ed19b5089149d364d796b759cd4183e9c0178257a72bf52567050da1de8831a81f5fbf0cf4c81de03b9e2000a4a0e8aef0ca6

  • SSDEEP

    196608:/DoG3bFqjpLC0TSMLsn33HR83v9i8l7INzj:/DyNLCWZ2HS9iQ7INzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\968bdd50f50152d192ad7c979a512aabdac33509193158fe355ef70de04b1245.exe
    "C:\Users\Admin\AppData\Local\Temp\968bdd50f50152d192ad7c979a512aabdac33509193158fe355ef70de04b1245.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\is-HEV32.tmp\968bdd50f50152d192ad7c979a512aabdac33509193158fe355ef70de04b1245.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HEV32.tmp\968bdd50f50152d192ad7c979a512aabdac33509193158fe355ef70de04b1245.tmp" /SL5="$50234,6971036,68096,C:\Users\Admin\AppData\Local\Temp\968bdd50f50152d192ad7c979a512aabdac33509193158fe355ef70de04b1245.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1868
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2132
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4528
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3948
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1792

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.5MB

        MD5

        34298c9ba11a3032661700fbdc4dddf1

        SHA1

        6db73c892173bbd636856d27b188bf6fe7b253c9

        SHA256

        c31e40225282d998bbde20a01e6e33e485e96d60df9586274fbfe75b037e4fdd

        SHA512

        0a24d41d7e9f16bd858d29a6b1f5e942b3529716a9a13bee07520d15eb9c0aa6994d96425d11d9b2a8912f39122f299db9979f39485041f78dc3418abaef7a79

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

        Filesize

        1.8MB

        MD5

        9810b60c49cadedbd695bf93043e605d

        SHA1

        a0854d5cabc61d346d4d5e63c69db0624e841f4e

        SHA256

        f2db4b1f32427bac368e6107689ed91b415a6fb7704eefc0977cbbb083fca60c

        SHA512

        2b98cac6609a3a708c43a596c836901b6133c7f187e36367cc58cd9e11f5874de113a9bd8a71d710d57f26a840cf52402b5bfa020c6d543c0171d14858695fe7

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

        Filesize

        192KB

        MD5

        9024b81d2bacf5d236cbc103f5ffebff

        SHA1

        378f4bec638ea928d3cf2ca2fe2f3cef9393f1f0

        SHA256

        f6d62a925435d711ac9a394bde2d3b3caa22db79d11d3cf6e4791e573b452a0c

        SHA512

        2c3d9133687ecd1e1f7cdd97273909e4fe7e9ee99eb618bd865d40929b5bd83392356e3b1aa44fce051ee534fdd2553ae63d6e8424e57b8cb0dd0f1cd82e9258

      • C:\Users\Admin\AppData\Local\Temp\is-9F199.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-9F199.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-HEV32.tmp\968bdd50f50152d192ad7c979a512aabdac33509193158fe355ef70de04b1245.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1716-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1716-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1716-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1744-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/1744-163-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/1744-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2132-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2132-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2132-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2132-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-182-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/4528-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-169-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-171-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-174-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-177-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-181-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/4528-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-187-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-190-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-193-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/4528-194-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-197-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-200-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4528-210-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB