Analysis

  • max time kernel
    142s
  • max time network
    127s
  • 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, 05:39

General

  • Target

    9ae0373742c6bdfd5fc030f3e0b305d5aef0c69a40fc892917e885da5e9cc919.exe

  • Size

    6.9MB

  • MD5

    c5f12af6ba6d1b663dbae0ecc26dc1f7

  • SHA1

    5b98e6b0db3eafbde45df418b0102e0bb97102f7

  • SHA256

    9ae0373742c6bdfd5fc030f3e0b305d5aef0c69a40fc892917e885da5e9cc919

  • SHA512

    5d84f9d336291cdea998fda19189e821194edab1cdeb817eac4d28a2312a0e499764828a8fc9c037cbe657949a65943ef0e2a7fea20b939765ae20fd9299ff71

  • SSDEEP

    98304:iCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:PstjRJ/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\9ae0373742c6bdfd5fc030f3e0b305d5aef0c69a40fc892917e885da5e9cc919.exe
    "C:\Users\Admin\AppData\Local\Temp\9ae0373742c6bdfd5fc030f3e0b305d5aef0c69a40fc892917e885da5e9cc919.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\is-TFGAL.tmp\9ae0373742c6bdfd5fc030f3e0b305d5aef0c69a40fc892917e885da5e9cc919.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TFGAL.tmp\9ae0373742c6bdfd5fc030f3e0b305d5aef0c69a40fc892917e885da5e9cc919.tmp" /SL5="$4020A,6990075,68096,C:\Users\Admin\AppData\Local\Temp\9ae0373742c6bdfd5fc030f3e0b305d5aef0c69a40fc892917e885da5e9cc919.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Program Files (x86)\WMAFormat\wmaformat.exe
        "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4504
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1820
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3444
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2228
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1880

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        245KB

        MD5

        f26ab619bd4344c535954d4930495d92

        SHA1

        07f48baac7fc0b16459dc234decbf06828362b29

        SHA256

        21020ce51b07900f09844ea078a23b0911eb2682a3cdd1b5e8b6664c263e4211

        SHA512

        2a357788aee1b2b7b98afa10d47ab0cda2e47185a82491e40bf22dbd5f4eadff5e24fb07d487999080a129cace01c71c33c2eccd881b3f6e1e1ed917a9d7625f

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

        Filesize

        261KB

        MD5

        122e08150ef70118f0259687ac498810

        SHA1

        1e7e3e65a34acf0092259ca795b58cee03291be7

        SHA256

        1fbc924c8e20fada1120b6b0cfd0da481c947690c918af2462fb38f2b84103f4

        SHA512

        61deb3c5cbcb71810675a71c7bdac12b2a7817a68cbeb61b2859206540e5eb9f51103ff921da6cdac1d3c8943a783a299abf5f5f296d30622efa5357f98fe23b

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

        Filesize

        151KB

        MD5

        ff7cb59cf3e689d773e01ccf6485a1c4

        SHA1

        44c79821819bd275fbd076deea5b65a8a5c973a9

        SHA256

        bdde72428c07ea14e70111864053f185a1f9d25aae597747ede7e96a86f7960a

        SHA512

        7ecc2facc5938bf88d405cc0fb6956fba67cfcf5dd48c333a2dbd726879e0914a5090949216eeb64e4ca8d44441f6f898fada2287c6c5ea9d95a57c9b907c3e1

      • C:\Users\Admin\AppData\Local\Temp\is-9AGLL.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-9AGLL.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-TFGAL.tmp\9ae0373742c6bdfd5fc030f3e0b305d5aef0c69a40fc892917e885da5e9cc919.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2576-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2576-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2576-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3160-10-0x0000000000640000-0x0000000000641000-memory.dmp

        Filesize

        4KB

      • memory/3160-163-0x0000000000640000-0x0000000000641000-memory.dmp

        Filesize

        4KB

      • memory/3160-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3444-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-178-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/3444-182-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-183-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/3444-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-190-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/3444-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3444-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4504-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4504-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4504-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4504-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB