Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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 06:57

General

  • Target

    a180ee6545fe64e9d81033a3c0ebf7b0668378ed05d76f00f7099b27ae39021c.exe

  • Size

    6.9MB

  • MD5

    feee570b99b0e6162aa166252165272b

  • SHA1

    38fb3901d9f7c6ee34413313eb8cfdf603f85530

  • SHA256

    a180ee6545fe64e9d81033a3c0ebf7b0668378ed05d76f00f7099b27ae39021c

  • SHA512

    deb3906a8d8dfebd27b26d916f718bfe2fa0872c4482ada47dd6105f47aa4e52f27c34c864856ee91c11a81b2fef014a29acae8875d9c0dc0a61b9186c23dc9e

  • SSDEEP

    98304:KCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:nstjRJ/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\a180ee6545fe64e9d81033a3c0ebf7b0668378ed05d76f00f7099b27ae39021c.exe
    "C:\Users\Admin\AppData\Local\Temp\a180ee6545fe64e9d81033a3c0ebf7b0668378ed05d76f00f7099b27ae39021c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\is-P5BMQ.tmp\a180ee6545fe64e9d81033a3c0ebf7b0668378ed05d76f00f7099b27ae39021c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-P5BMQ.tmp\a180ee6545fe64e9d81033a3c0ebf7b0668378ed05d76f00f7099b27ae39021c.tmp" /SL5="$B006A,6990075,68096,C:\Users\Admin\AppData\Local\Temp\a180ee6545fe64e9d81033a3c0ebf7b0668378ed05d76f00f7099b27ae39021c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1144
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2972
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2728
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3064
          • 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

        1.4MB

        MD5

        7a8d8a866acb319455f9fdfbb273b58d

        SHA1

        0ab4de02252352280331a8799a351a5e3121f6ac

        SHA256

        7311ce5c5ef588c2bebc74bc4368a5c0ce720a3c82775f09de5134b633393ca9

        SHA512

        4f4c3730b9e63a06b06e99615a8996edc090791b0a68256d2a3fe5469270c192aec31b570599112a6f7a2251ed503316af50cd079836056f5836f2610c80ab78

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

        Filesize

        1.1MB

        MD5

        dcc6873038e2f72e170b6f61548ef07b

        SHA1

        096d0f486fe76f0e984c3ad2328a4f2d7df09329

        SHA256

        1a811bd88b6fea18944cb0c4a75700135e8b7e057a185d2d7e3811ef5edc316e

        SHA512

        cec14c21ec855897ee88d2a0990b02fabfcf36255e576525a0231fddcd4966c22716620b0034f49d4bede669649640ff3e2316f1a99ae0e6e5240b827f42b0dd

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

        Filesize

        879KB

        MD5

        76639a8080ec111d53d447ac1d16b13b

        SHA1

        52122c04c13144937d8f9577ff562a507b8115ca

        SHA256

        c460fdabb323a2eca9ff5e70c09241b1cc2af7f8d673d025e8558d0fab0e2b02

        SHA512

        90f897a0936d39e7f28536b3149b1765a41d70fdc3a60098884e3d63b8b8f0577b977ee6141e17e1b69aa7693df2af550f5d777c77c8e8664b7a12325062d254

      • C:\Users\Admin\AppData\Local\Temp\is-KU7TP.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-KU7TP.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-P5BMQ.tmp\a180ee6545fe64e9d81033a3c0ebf7b0668378ed05d76f00f7099b27ae39021c.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1376-10-0x0000000000670000-0x0000000000671000-memory.dmp

        Filesize

        4KB

      • memory/1376-163-0x0000000000670000-0x0000000000671000-memory.dmp

        Filesize

        4KB

      • memory/1376-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1608-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1608-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1608-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2728-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-179-0x00000000008E0000-0x000000000097E000-memory.dmp

        Filesize

        632KB

      • memory/2728-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-181-0x00000000008E0000-0x000000000097E000-memory.dmp

        Filesize

        632KB

      • memory/2728-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-190-0x00000000008E0000-0x000000000097E000-memory.dmp

        Filesize

        632KB

      • memory/2728-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2728-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2972-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2972-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2972-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2972-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB