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, 09:42

General

  • Target

    1d724a9a13c69f9643187457cb1dd20d8a518208f0f40b72825ac256ebc4ce95.exe

  • Size

    6.9MB

  • MD5

    06c5e95f6b7e36aff98cf407196291f1

  • SHA1

    cdd48b80258ab314e3e2410b7392f63ae887ca23

  • SHA256

    1d724a9a13c69f9643187457cb1dd20d8a518208f0f40b72825ac256ebc4ce95

  • SHA512

    7f5bc1c32173e82bc2f522ea6c34dff505b0be34004be24af21ebd8aa10e7c0b615b57085b5e89f388243c179b2d2ca34e1d9ad966e0833a1c380d0f6a2a462a

  • SSDEEP

    98304:fzyQ4kc+v4jvDhsQepuwmrkz216aPE8d9X+X1M2CX27eGqc6hxTGZtsAzFjTidLb:2Q4PTP94zHQ9OX1M2CGjn6hDc6LKEzj

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\1d724a9a13c69f9643187457cb1dd20d8a518208f0f40b72825ac256ebc4ce95.exe
    "C:\Users\Admin\AppData\Local\Temp\1d724a9a13c69f9643187457cb1dd20d8a518208f0f40b72825ac256ebc4ce95.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\is-8VAMI.tmp\1d724a9a13c69f9643187457cb1dd20d8a518208f0f40b72825ac256ebc4ce95.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8VAMI.tmp\1d724a9a13c69f9643187457cb1dd20d8a518208f0f40b72825ac256ebc4ce95.tmp" /SL5="$600FA,6985458,68096,C:\Users\Admin\AppData\Local\Temp\1d724a9a13c69f9643187457cb1dd20d8a518208f0f40b72825ac256ebc4ce95.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1668
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1484
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3848
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2840
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:408

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        868KB

        MD5

        7e2a91598640f01569dc6057cb39a9a5

        SHA1

        259b74aecd1c3ba2deceebdf42e1c011d59e18e3

        SHA256

        d9375a8dfb7d6029da2cdd7513faba3cd40ea025499f91fd74690896869daa1f

        SHA512

        00c8979724115969c9f26345797de699cb6279cf7d3269ecabc0dc06a75598c07a2b28baadfbf5d1b212e3083b85ac35f802c178acec78dfb85d397e72068062

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

        Filesize

        1.8MB

        MD5

        ce0b4d4d116f7ff827115c5ee2bfc0c4

        SHA1

        3a12cf70e643db463a3b33ec4a77c0b02acc3c82

        SHA256

        c2a5278ab88c29c6c60460dab68829f3fdcfdf6d634a9f31d8342e890ab679d2

        SHA512

        2d2ae0224032827b0a07a40faa34817ccce41742d3f45e124834f6808f39965d642715285fc4a3557bd428d6bea1de991b1768ba5796d2f6262ad0dff8e811bb

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

        Filesize

        510KB

        MD5

        c68ebc3bd223b932c71e6379d17e4d38

        SHA1

        9a009fca72997a1d481985bb984a496572485ce0

        SHA256

        435f17d28b6f639a719a1cf3fd2fc136fd1e317644d2a562564c2c7ea6d0d038

        SHA512

        a7efd67e5f02b3a9893323adddfc8f599f2a8f5851d2b6185c22a3895bb9758026b564e9be1a3349e73f1c55169ca2d4affc0b4e24da33e63fe33963131bd2b7

      • C:\Users\Admin\AppData\Local\Temp\is-8VAMI.tmp\1d724a9a13c69f9643187457cb1dd20d8a518208f0f40b72825ac256ebc4ce95.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-IAV8V.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-IAV8V.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1484-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1484-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1484-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1484-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1684-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1684-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1684-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2408-163-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/2408-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2408-12-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/3848-179-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/3848-181-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/3848-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-190-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/3848-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3848-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB