Analysis

  • max time kernel
    157s
  • max time network
    159s
  • 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, 08:05

General

  • Target

    779a9009a58cfe4229d2f1d071b5ad00b66a077d4434e0e4526d3ddc60a910ca.exe

  • Size

    6.9MB

  • MD5

    64cd77ba0271c9786268e7852a42a5c0

  • SHA1

    b310dc201311004c5bc0b54d4918e4e818004207

  • SHA256

    779a9009a58cfe4229d2f1d071b5ad00b66a077d4434e0e4526d3ddc60a910ca

  • SHA512

    c79cfb91cbd9adb21cb67895f429bb610bf3cbf6d45abe2b43fcf2c726b8bf9e0e4d596ce0bb687f7d9e9fb1943384492d48ef071847ea426a0d1c79c0bca01c

  • SSDEEP

    196608:gH/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:VcOhoGE1ArRvqlgM7xtAT0Hzj

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\779a9009a58cfe4229d2f1d071b5ad00b66a077d4434e0e4526d3ddc60a910ca.exe
    "C:\Users\Admin\AppData\Local\Temp\779a9009a58cfe4229d2f1d071b5ad00b66a077d4434e0e4526d3ddc60a910ca.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4188
    • C:\Users\Admin\AppData\Local\Temp\is-BJSO5.tmp\779a9009a58cfe4229d2f1d071b5ad00b66a077d4434e0e4526d3ddc60a910ca.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BJSO5.tmp\779a9009a58cfe4229d2f1d071b5ad00b66a077d4434e0e4526d3ddc60a910ca.tmp" /SL5="$9005C,6982471,68096,C:\Users\Admin\AppData\Local\Temp\779a9009a58cfe4229d2f1d071b5ad00b66a077d4434e0e4526d3ddc60a910ca.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3548
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4880
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3496
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:2232
          • C:\Program Files (x86)\WMAFormat\wmaformat.exe
            "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1312

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              1.8MB

              MD5

              c343c906aaa2e2ac5b3ae9ab154c80a4

              SHA1

              b1ed930436a743821a403f3c185a222f41a2af44

              SHA256

              ea6a69b2b6f3893ac9963afcb168abc24e5c879ea1c600f6c54723564bfbe135

              SHA512

              df1ebb33e8675a5decd77cc66ba0befb7dad77442b5447009301123e868332a520dca4177b7db2fa9e39846b916daa2e77b172e238a251b80a40990931a94eb6

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

              Filesize

              1.7MB

              MD5

              9f1b789b59bddd18211854b0ca935ebd

              SHA1

              ae5cc6198a87d9868665042bf66d2a8384025291

              SHA256

              05aeabd522b437834eef367cb8871d5a8d5d76cec55d15703c725d1c5d61c2bf

              SHA512

              9651571051adf757005de526c332cd8458552bce7cf1f19e5ec6ec277ff0828df9d7d8bd8823f51a0bf89d282180689df74159e7bd337dd61ae03e7e0bd01bbd

            • C:\Users\Admin\AppData\Local\Temp\is-AQ98C.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-AQ98C.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-BJSO5.tmp\779a9009a58cfe4229d2f1d071b5ad00b66a077d4434e0e4526d3ddc60a910ca.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/1312-188-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-192-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-205-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-198-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-196-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-193-0x00000000008D0000-0x000000000096E000-memory.dmp

              Filesize

              632KB

            • memory/1312-160-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-201-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-208-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-181-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-161-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-182-0x00000000008D0000-0x000000000096E000-memory.dmp

              Filesize

              632KB

            • memory/1312-164-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-183-0x00000000008D0000-0x000000000096E000-memory.dmp

              Filesize

              632KB

            • memory/1312-169-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-170-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-173-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-176-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1312-178-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2828-162-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/2828-165-0x0000000002340000-0x0000000002341000-memory.dmp

              Filesize

              4KB

            • memory/2828-8-0x0000000002340000-0x0000000002341000-memory.dmp

              Filesize

              4KB

            • memory/4188-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4188-159-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4188-3-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4188-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4880-156-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4880-154-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4880-153-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4880-152-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB