Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 07:52

General

  • Target

    00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165.exe

  • Size

    6.9MB

  • MD5

    04f4ef37f1440993cecbf02b73579f7d

  • SHA1

    edba18e0ff7a4c7f002036b45228beeb989da208

  • SHA256

    00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165

  • SHA512

    0991b4a470a4650aae1d67727a2c8a41e8a8d1c4aa5d97352348e615bea04cb073f4964572f82b4b6798fedfad364ec669548aa2b209612bbff8521e7a200924

  • SSDEEP

    196608:MH/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:RcOhoGE1ArRvqlgM7xtAT0Hzj

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\00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165.exe
    "C:\Users\Admin\AppData\Local\Temp\00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4288
    • C:\Users\Admin\AppData\Local\Temp\is-ANOAD.tmp\00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ANOAD.tmp\00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165.tmp" /SL5="$B0042,6982471,68096,C:\Users\Admin\AppData\Local\Temp\00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4032
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1628
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1352
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2016
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:3192

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              1.1MB

              MD5

              fb9861482d7655aec37e8aa153a63664

              SHA1

              c82245afe56cf695cacb6051bbd986956c7773c0

              SHA256

              5aec6c956658c5f4eec7f5c9ae599d60085a714d82fadff33d7123ae2f5b286e

              SHA512

              55741918b5f69af8183f6daf8ad16943414c33ed56ba2f85b4993ce99b743c6788876ec7b243ce16ff91958afc227591288e99f6bde7dd2b80d7f00c09836fd8

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

              Filesize

              994KB

              MD5

              1810017f5ac4a59ce7d56d8944019761

              SHA1

              d791d2b8219f61243f1def05c7b608ec5dba82cf

              SHA256

              388002aa5b243595635fcbaa193ee63f09324014a151af1c42b1c8e18b86fed9

              SHA512

              141319c810bcb3a389fea1d10ce487e179e41ce9a90fa3afb5fa3947350e0371fd84144973730400ff2f94f5c539c3f74dbfb7264a4d027178892133f4468928

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

              Filesize

              653KB

              MD5

              6942a08774a2f6ec46e203db071cc812

              SHA1

              e6513129b5e2858973abaf8c2370669c3915f3f2

              SHA256

              ae542400fd0a65e7a8f506317e36bd3c2278f0569a056aaf614326b8a5eaa461

              SHA512

              dd6e666c5a5ea86be4e78a2229581a8b0fe3e91dfcc790609849d60c72c4b6e5620bc3d223c99ed7fe470b852bee4cb43353d32e792039eebaa9b0c71b832aa3

            • C:\Users\Admin\AppData\Local\Temp\is-88CHP.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-88CHP.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-ANOAD.tmp\00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165.tmp

              Filesize

              314KB

              MD5

              0c66da3b5ea35aac03e950bb82350d18

              SHA1

              2fb61574d390b3bcc14435ce3b377f14dd4f6457

              SHA256

              37a2657a19ca93a2699ef6da1306ba2702613210c09bff8521ebb17f505364f7

              SHA512

              f6258a0b6a4cfe411be45cd877f3e067e1723155934ae59a9b355a8a4c51f65e45c2fd7fb3c3bdf1c0362a41147fed0cc09c6376924f8bbcf04370998a3d2250

            • C:\Users\Admin\AppData\Local\Temp\is-ANOAD.tmp\00781703b2f11bdf6a8c3c21cdddbc59df4d4f52baef1b586226ae9abf958165.tmp

              Filesize

              601KB

              MD5

              1828469eccaee0fe6e825b4380440acc

              SHA1

              bb680bb6449a50a4c3eb6131d8e15a9e768338c1

              SHA256

              09ba0837fd1287bac225ba6be9b534974837aeebcd937cc21d5ce8eb0145cc40

              SHA512

              459a5669981e2a946ecf43528428eb642141d5f6454cca2285ab36d5d613ce319ac4562bf5cad84f4cd9118711c5582d95ea56f99647cd035379b6492f98ec2f

            • memory/1352-181-0x0000000000750000-0x00000000007EE000-memory.dmp

              Filesize

              632KB

            • memory/1352-170-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-209-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-206-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-203-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-199-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-196-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-158-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-159-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-193-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-190-0x0000000000750000-0x00000000007EE000-memory.dmp

              Filesize

              632KB

            • memory/1352-162-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-189-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-166-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-167-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-186-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-173-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-176-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1352-179-0x0000000000750000-0x00000000007EE000-memory.dmp

              Filesize

              632KB

            • memory/1352-180-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1628-153-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1628-155-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1628-152-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1628-151-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1740-7-0x0000000000570000-0x0000000000571000-memory.dmp

              Filesize

              4KB

            • memory/1740-163-0x0000000000570000-0x0000000000571000-memory.dmp

              Filesize

              4KB

            • memory/1740-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/4288-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4288-160-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4288-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB