Analysis

  • max time kernel
    145s
  • max time network
    131s
  • 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 10:56

General

  • Target

    f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe

  • Size

    6.9MB

  • MD5

    11f5642d6ab0ef91c8b31cbca5851a66

  • SHA1

    7066cb4560230b8151fd54f36148e26fbcde7bff

  • SHA256

    f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140

  • SHA512

    e3b2662af852c08f47f7fa91cc116edb4ddb9ca31b0670e7fa7b57b8d31dc87b568f724b7a76616b2c21de42ba55850e65989ad84263ee0ffaa2fe46d0fd93e1

  • SSDEEP

    196608:IH/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:9cOhoGE1ArRvqlgM7xtAT0Hzj

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\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe
    "C:\Users\Admin\AppData\Local\Temp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Users\Admin\AppData\Local\Temp\is-QSMPG.tmp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-QSMPG.tmp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp" /SL5="$40210,6982471,68096,C:\Users\Admin\AppData\Local\Temp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2156
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3748
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4192
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2328
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1572

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      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

        607KB

        MD5

        4c72da993119795ccca540cc0212670b

        SHA1

        372d2b662014ce6271c9dc9a7520848e3ec2de94

        SHA256

        4672dac6bf871f11cfb748a3b20d622550a2684ef9be2c4fbeb3eab97de226eb

        SHA512

        532dd4b7fa3c151ca5cb2ae7b9a0eef5de4338298ce2d131d089ca48f93bd93347391fb194417f780dba302abfbdb87c39dca742f7ae39de7f86716c858e2b19

      • C:\Users\Admin\AppData\Local\Temp\is-58FK5.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-58FK5.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-QSMPG.tmp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1512-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1512-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/1512-163-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/3332-1-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3332-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3748-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3748-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3748-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-180-0x00000000008A0000-0x000000000093E000-memory.dmp

        Filesize

        632KB

      • memory/4192-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-179-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-189-0x00000000008A0000-0x000000000093E000-memory.dmp

        Filesize

        632KB

      • memory/4192-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4192-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB