Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-12-2023 07:45

General

  • Target

    0774106a079ddab73944d5979257198fa689c8a700fcf8491ec1f42747876ca6.exe

  • Size

    6.9MB

  • MD5

    bd7431d69af4e93684c48e23fde384a5

  • SHA1

    d955b2c34eafe39ed930e826b4f86d12bb1b229b

  • SHA256

    0774106a079ddab73944d5979257198fa689c8a700fcf8491ec1f42747876ca6

  • SHA512

    e0d0f369e5e54a88cbbc20bc538148fc156dfefcb4027b725da56652b5284c2d091ab32a984f25778b9ce5fb6228a56b35cefd6afaf52d70e1c8675377118846

  • SSDEEP

    196608:pRW8Bq+q3WGhRQY914E1DF+V3bm/LCGNq3eUeKP3gdVfzj:pQeqbhPK4DFY4CtOUYVfzj

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\0774106a079ddab73944d5979257198fa689c8a700fcf8491ec1f42747876ca6.exe
    "C:\Users\Admin\AppData\Local\Temp\0774106a079ddab73944d5979257198fa689c8a700fcf8491ec1f42747876ca6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4428
    • C:\Users\Admin\AppData\Local\Temp\is-3KA4A.tmp\0774106a079ddab73944d5979257198fa689c8a700fcf8491ec1f42747876ca6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3KA4A.tmp\0774106a079ddab73944d5979257198fa689c8a700fcf8491ec1f42747876ca6.tmp" /SL5="$50218,6953145,68096,C:\Users\Admin\AppData\Local\Temp\0774106a079ddab73944d5979257198fa689c8a700fcf8491ec1f42747876ca6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4532
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4368
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:5116
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1192
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3980
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4120

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        254KB

        MD5

        9b24b1fc6510514605ef7bf2973fc5b3

        SHA1

        12abbf6f7ef27228c8a0c3f3f0b096a89a917a14

        SHA256

        21addf06e4fb5fac0021d7612785c9e422e5856c6a5ab120ba046d811330240b

        SHA512

        95f00b7f81f69a8c6b1a8dc84a80bef450d6bc84cfa13ac841d33b01845780e6edcd52701ffa38d7af71e45a2b15df320a9624132c5ae6cf48bc2bdba0b84353

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

        Filesize

        163KB

        MD5

        6fc3dd4629a322184128a07fd383300f

        SHA1

        19704b272dbfe2288fd11197a8a992fa77a03324

        SHA256

        1294796eef4002f750599e4ec68b89dc66a38f55cc091736dcea638d905b19bb

        SHA512

        1579019d30338a0e9fc9bbc08524d07d99ea7babe24ea5d42e78e3e9a4e8d719d5dc0f65fe759a72373ff949ab874c79d322f3de65a657483f6b17fc65d3d5b9

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

        Filesize

        86KB

        MD5

        478fb2a0eaea5f747930cae29c7eb56c

        SHA1

        149f5ef775002e945b76a27f6b83c8c3a6a18086

        SHA256

        ea2a51a7c3bca63b08f878524aebc7dac6ed438a7ceab56dd7301373e9978be3

        SHA512

        ef8edadc4303f91ce5fd8b998101d34aa296b4f396eb015db4a18120fd3b0253580184b9e59959cea7302fc21f2e882256ee919fa9d1d580b241c05e71941016

      • C:\Users\Admin\AppData\Local\Temp\is-3KA4A.tmp\0774106a079ddab73944d5979257198fa689c8a700fcf8491ec1f42747876ca6.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-20QBU.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-20QBU.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1192-182-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-190-0x00000000006C0000-0x000000000075E000-memory.dmp

        Filesize

        632KB

      • memory/1192-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-178-0x00000000006C0000-0x000000000075E000-memory.dmp

        Filesize

        632KB

      • memory/1192-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1192-183-0x00000000006C0000-0x000000000075E000-memory.dmp

        Filesize

        632KB

      • memory/4428-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4428-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4428-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4532-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4532-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4532-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/5116-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5116-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5116-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB