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Analysis

  • max time kernel
    145s
  • max time network
    156s
  • 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, 07:28

General

  • Target

    47172626714bdd9a16e3bf613d9af82ceee906175965bc306088bb35f3c3ac20.exe

  • Size

    6.9MB

  • MD5

    8b3fa61cf44b90ae02b9219042c00e1c

  • SHA1

    5906ca084cb280c57fd266f57f0f211173c59d45

  • SHA256

    47172626714bdd9a16e3bf613d9af82ceee906175965bc306088bb35f3c3ac20

  • SHA512

    30c7a7a80ad5010c619c867515a425e82c2cd25b53473a229d57e823f24204e8a31af725d38568478fe4c18d5c3388b539772a86d704aae4665c9fea182a30cf

  • SSDEEP

    196608:GRW8Bq+q3WGhRQY914E1DF+V3bm/LCGNq3eUeKP3gdVfzj:GQeqbhPK4DFY4CtOUYVfzj

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\47172626714bdd9a16e3bf613d9af82ceee906175965bc306088bb35f3c3ac20.exe
    "C:\Users\Admin\AppData\Local\Temp\47172626714bdd9a16e3bf613d9af82ceee906175965bc306088bb35f3c3ac20.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Users\Admin\AppData\Local\Temp\is-8KE39.tmp\47172626714bdd9a16e3bf613d9af82ceee906175965bc306088bb35f3c3ac20.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8KE39.tmp\47172626714bdd9a16e3bf613d9af82ceee906175965bc306088bb35f3c3ac20.tmp" /SL5="$501C6,6953145,68096,C:\Users\Admin\AppData\Local\Temp\47172626714bdd9a16e3bf613d9af82ceee906175965bc306088bb35f3c3ac20.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3820
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3488
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3492
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:812
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4976

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.4MB

        MD5

        ee91688f9cfac053582649ebd0d8c862

        SHA1

        7cc83959fad23c66abad1b36c12f3f729affa104

        SHA256

        24053c19c3a57cfb48a62ca0cacf70e272ee9130f50f3fd7c2aa083137a60d87

        SHA512

        292c0a0cc36c0dcad6a08ab078ea009771feaad5cac68c2f2687d8e83a756e33eb5a0c86f4883658e396ea7fb58a895453acd54c80eae1a0447d85b4cfbf86da

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

        Filesize

        881KB

        MD5

        daaaf5db1abff2c58ff1a06c9cdd4013

        SHA1

        a2936d9008c580fad2786100e28c5ba1f35c321e

        SHA256

        8e8b1acd161e58dba6b37df960e307cc69f5d6037e3cad38c23e02cadeacaf4e

        SHA512

        c9841ce18e54725366584b44e3f92b6e7b30126ed9e74e75531f0e26eb15910225bd72038e0c8cc2f8108d6ab4d8baa04a70cd61227e36c6ade4d3125d1d74ef

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

        Filesize

        208KB

        MD5

        3fd3642c3a3f9eeb34c5865acf070e23

        SHA1

        5dbea03edb2da58e10bb8ce0eaa9ad099a63d6ce

        SHA256

        16091233dee973d3c572633dd89390520abe72ba0ecac3efe3a5ecc1abd12cdc

        SHA512

        17c8d3ca84a42b81c7313d7ca53b9f0042a7ee1362a406e1cbc9c2a89183d7b23ac4ff0d1350285c6a2312989a796587e53c9e2d93f0433a112a144bb49f3774

      • C:\Users\Admin\AppData\Local\Temp\is-8KE39.tmp\47172626714bdd9a16e3bf613d9af82ceee906175965bc306088bb35f3c3ac20.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-H46LG.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-H46LG.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/3488-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3488-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3488-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3488-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-168-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-171-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-174-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-177-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-181-0x0000000000920000-0x00000000009BE000-memory.dmp

        Filesize

        632KB

      • memory/3492-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3492-190-0x0000000000920000-0x00000000009BE000-memory.dmp

        Filesize

        632KB

      • memory/3632-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3632-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3632-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/5072-10-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB

      • memory/5072-163-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB

      • memory/5072-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB