Analysis

  • max time kernel
    145s
  • max time network
    150s
  • 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, 08:53

General

  • Target

    9761d200a86a0d43d9d3edbbcf10d1ab7f41e26676aebec77edfb2a64bef4544.exe

  • Size

    6.9MB

  • MD5

    085cf2c1e8f3eb1366960607373a4f69

  • SHA1

    f88c67e2d5893e0e2c8af3df15c4914a18b0b0a3

  • SHA256

    9761d200a86a0d43d9d3edbbcf10d1ab7f41e26676aebec77edfb2a64bef4544

  • SHA512

    dd9d5265dee9eee8e69003fe63a60a99a71d1fef0d2b6bc377e81f55d9bb6045fa1b96d7a1c8a3b4d7c024939f2d78ac0ea805ffee51d3bb8dfeb2349875247d

  • SSDEEP

    98304:OCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:TstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj

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\9761d200a86a0d43d9d3edbbcf10d1ab7f41e26676aebec77edfb2a64bef4544.exe
    "C:\Users\Admin\AppData\Local\Temp\9761d200a86a0d43d9d3edbbcf10d1ab7f41e26676aebec77edfb2a64bef4544.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Users\Admin\AppData\Local\Temp\is-NPSQF.tmp\9761d200a86a0d43d9d3edbbcf10d1ab7f41e26676aebec77edfb2a64bef4544.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NPSQF.tmp\9761d200a86a0d43d9d3edbbcf10d1ab7f41e26676aebec77edfb2a64bef4544.tmp" /SL5="$60066,6990075,68096,C:\Users\Admin\AppData\Local\Temp\9761d200a86a0d43d9d3edbbcf10d1ab7f41e26676aebec77edfb2a64bef4544.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:332
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2320
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2212
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2488
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4372
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1192

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        788KB

        MD5

        b126ede2e2ad5c1ff3f29961923f126b

        SHA1

        9d022acd3ef70c14d89eee5942a84090831e962f

        SHA256

        9526bb48342d3259e6fa91d38e0560ba9016d3111c4a4298cc60378822035a35

        SHA512

        def28fd2501967c6057c91c954bd98ce9e05e3eed27eef254c3948b0b38723632e3e6d875061bb0d62d9c4976cb1e7273e89cb2d22e5591017c462b3edcec984

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

        Filesize

        1.1MB

        MD5

        9376faea07c54e7c6f8a492f29f494ef

        SHA1

        484a7e24167196ef6dfa61c43bd6fcb456b0c965

        SHA256

        37a876e49f7b71ef38390a48719d1574334a4047d4a63f0d1c6d9ca6bf9990be

        SHA512

        6c8d33ca3c3a2c220d7ac399a8fffc513121e96a4a09209ce49b59f0647d13f3c762aff5e44c2a83e9bf38914cc59351703ec8e17ec49ef0dd1c2191bee64988

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

        Filesize

        346KB

        MD5

        4760bae25dd2c1d3a9f43339bb4dc60d

        SHA1

        773038ddba24e4012cd3fbd83ec40afe80ac199f

        SHA256

        20c1020bdb170f5c67953f75275bf3d5b252a8e93f4367073723a3ee058016b5

        SHA512

        0a2b637ddb15475be81b47a459b1c48aeaea8eb079c23addc0e82888d5944a9644aa31a5ac0e540a16a07f40e6b00d11e1674d2c67d76a70b3dbdb0f4d4e7690

      • C:\Users\Admin\AppData\Local\Temp\is-H3D8S.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-H3D8S.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-NPSQF.tmp\9761d200a86a0d43d9d3edbbcf10d1ab7f41e26676aebec77edfb2a64bef4544.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/332-163-0x0000000002210000-0x0000000002211000-memory.dmp

        Filesize

        4KB

      • memory/332-10-0x0000000002210000-0x0000000002211000-memory.dmp

        Filesize

        4KB

      • memory/332-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2212-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2212-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2212-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2212-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-189-0x00000000006D0000-0x000000000076E000-memory.dmp

        Filesize

        632KB

      • memory/2488-179-0x00000000006D0000-0x000000000076E000-memory.dmp

        Filesize

        632KB

      • memory/2488-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-201-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2488-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4112-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4112-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4112-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB