Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 06:45

General

  • Target

    6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe

  • Size

    6.9MB

  • MD5

    1075ef310605703a6919f2f4a7f5101f

  • SHA1

    127f86c506195bfc77963a1266fd2a967147e32d

  • SHA256

    6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4

  • SHA512

    81a973cb7dd0485ef180c6930e730f33723479656ee6c13fcdb0402f471b0a3a83ce717f251152639b620998a113900310fc74721ef5e3d202e000a4dc459f77

  • SSDEEP

    196608:iRW8Bq+q3WGhRQY914E1DF+V3bm/LCGNq3eUeKP3gdVfzj:iQeqbhPK4DFY4CtOUYVfzj

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\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe
    "C:\Users\Admin\AppData\Local\Temp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:516
    • C:\Users\Admin\AppData\Local\Temp\is-IQM15.tmp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IQM15.tmp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp" /SL5="$70216,6953145,68096,C:\Users\Admin\AppData\Local\Temp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1400
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1300
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2952
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3436
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5024
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:420

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        0280b00d7cf6a1d0e836f72f5e94c0fb

        SHA1

        8f21d39aa6137c758f73c378042dde4001006946

        SHA256

        5494dda0175037320250f0dca19188091efff397b7e3a7f181e449c4c216703c

        SHA512

        072cf3bc6c580035a8f0ae719b03662d762a994138f879d2c6380cd8aff71b1c55731fb99658dec6a23756ad8fbafa7122480a6cd8434788eee6047181b7920e

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

        Filesize

        1.3MB

        MD5

        fb3332e8eeb956393e0bc3b0dcdb6d2b

        SHA1

        a6f823fd704d3254c7888225b760cd61585c62e9

        SHA256

        83cb892f3cd6446a5a777132b773a286ce767642967c129201c3379a00bdc024

        SHA512

        641c4c3c28c7387fa265382089a8f2daf1ca1f964dc950d89ff1cac08d3a28483191e53d1af6096426b84eb14dc6fa170cd2ec33fcc2c16ed3712461352b9c57

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

        Filesize

        887KB

        MD5

        a63a92a0a48c5333dc5a62fd41a68537

        SHA1

        c8f98ed02a000f499d1717caf55c2e405f7199f8

        SHA256

        ff35c0ecb5ba2f2c34252568243493917f8445b2997859edd620148ff72c3677

        SHA512

        8c6785032efc9c581884d389cd4acfc30fd4e78adabe7241a2a27074f355dbc9535ba59b38018517adb8b5c68f922ded167a13b0e8d6919a4882666c50f623f4

      • C:\Users\Admin\AppData\Local\Temp\is-IQM15.tmp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-UPUK6.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-UPUK6.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/516-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/516-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/516-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1400-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1400-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1400-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2952-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2952-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2952-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2952-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-179-0x00000000008B0000-0x000000000094E000-memory.dmp

        Filesize

        632KB

      • memory/3436-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-183-0x00000000008B0000-0x000000000094E000-memory.dmp

        Filesize

        632KB

      • memory/3436-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-190-0x00000000008B0000-0x000000000094E000-memory.dmp

        Filesize

        632KB

      • memory/3436-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3436-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB