Analysis

  • max time kernel
    153s
  • max time network
    145s
  • 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, 07:33

General

  • Target

    c2d720e208099c4a528b4986f221abb721442d6cae7d98c71d20a6ad1221d267.exe

  • Size

    6.9MB

  • MD5

    77539a6a8a6cfa0601e0ca30d0161e2c

  • SHA1

    48e9443eec9c635264390e5968ca1144dacc135b

  • SHA256

    c2d720e208099c4a528b4986f221abb721442d6cae7d98c71d20a6ad1221d267

  • SHA512

    0dc070863074808d200173d8620000b3901ec21c9be698d0d217b4b6a865f7be8880401adc41b499771159a0f16682b56e648b66eed2df1ffd86bda9a47abe21

  • SSDEEP

    196608:0RW8Bq+q3WGhRQY914E1DF+V3bm/LCGNq3eUeKP3gdVfzj:0QeqbhPK4DFY4CtOUYVfzj

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\c2d720e208099c4a528b4986f221abb721442d6cae7d98c71d20a6ad1221d267.exe
    "C:\Users\Admin\AppData\Local\Temp\c2d720e208099c4a528b4986f221abb721442d6cae7d98c71d20a6ad1221d267.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3800
    • C:\Users\Admin\AppData\Local\Temp\is-H3TCJ.tmp\c2d720e208099c4a528b4986f221abb721442d6cae7d98c71d20a6ad1221d267.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-H3TCJ.tmp\c2d720e208099c4a528b4986f221abb721442d6cae7d98c71d20a6ad1221d267.tmp" /SL5="$E0032,6953145,68096,C:\Users\Admin\AppData\Local\Temp\c2d720e208099c4a528b4986f221abb721442d6cae7d98c71d20a6ad1221d267.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4988
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4408
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2640
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1048
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1156
          • C:\Program Files (x86)\WMAFormat\wmaformat.exe
            "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3596

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        448KB

        MD5

        f0737c7b9d45608951da05cceac84798

        SHA1

        54e85f0db7fe23bd7ad5e99da32b8fdabd841beb

        SHA256

        8a290a8c8358f420f419e85d12dd37b0dcf45f0c72778f0afc45c196a699fdc7

        SHA512

        a719a4f77495f7b9a840092ecae9672eeb0bf3de7190c578d7c8efb9eb39a3893446d96f5d003c72b013265f31577cacd114ceabf8e3ba6308d1ea466a0f31ac

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

        Filesize

        768KB

        MD5

        d9a259f3ae3b122876de441a287af5cd

        SHA1

        1e207e777a232344a3764ffaef562592d31af01a

        SHA256

        a1bfca89aba3e9719ec5cf5b4ba06f04cd2bd96e40e006f7388276ffbb54b7b9

        SHA512

        e8fd510d508dd3114a9e05b7b697926afcced568b108abaa0f68b1c9bae9f37b2543ad18c81f5d16e34ea65baad396edc5e9c42b3b1c9def3bd8cdc851745f25

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

        Filesize

        1.8MB

        MD5

        0280b00d7cf6a1d0e836f72f5e94c0fb

        SHA1

        8f21d39aa6137c758f73c378042dde4001006946

        SHA256

        5494dda0175037320250f0dca19188091efff397b7e3a7f181e449c4c216703c

        SHA512

        072cf3bc6c580035a8f0ae719b03662d762a994138f879d2c6380cd8aff71b1c55731fb99658dec6a23756ad8fbafa7122480a6cd8434788eee6047181b7920e

      • C:\Users\Admin\AppData\Local\Temp\is-H3TCJ.tmp\c2d720e208099c4a528b4986f221abb721442d6cae7d98c71d20a6ad1221d267.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-OK96R.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-OK96R.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2640-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2640-156-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2640-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2640-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-163-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-187-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-207-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-160-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-200-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-197-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-168-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-171-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-174-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-177-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-182-0x00000000008F0000-0x000000000098E000-memory.dmp

        Filesize

        632KB

      • memory/3596-181-0x00000000008F0000-0x000000000098E000-memory.dmp

        Filesize

        632KB

      • memory/3596-194-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-190-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3596-192-0x00000000008F0000-0x000000000098E000-memory.dmp

        Filesize

        632KB

      • memory/3800-150-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3800-1-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4988-164-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB

      • memory/4988-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4988-7-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB