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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • 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, 13:48

General

  • Target

    ed0b2e30330c5b5b9adccd7aaeb2c360b43cf834fdd69b6eaf14f723d586375e.exe

  • Size

    6.9MB

  • MD5

    c281c81390808ef5e9b49b1c066deef1

  • SHA1

    9e6ee7cddffba7a376e782434d09856971551791

  • SHA256

    ed0b2e30330c5b5b9adccd7aaeb2c360b43cf834fdd69b6eaf14f723d586375e

  • SHA512

    daf2af70491416ee53b05d72c72263ad5ca995daaed1dc7c6c2137a380627cb9289c3b4d7f9ea7c188d0bfa65f722f45c5f7bd21041f62bf7f32716af85502f1

  • SSDEEP

    196608:aeusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:hVsg95KnxLrGufn765k+zj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\ed0b2e30330c5b5b9adccd7aaeb2c360b43cf834fdd69b6eaf14f723d586375e.exe
    "C:\Users\Admin\AppData\Local\Temp\ed0b2e30330c5b5b9adccd7aaeb2c360b43cf834fdd69b6eaf14f723d586375e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\Users\Admin\AppData\Local\Temp\is-BEUP3.tmp\ed0b2e30330c5b5b9adccd7aaeb2c360b43cf834fdd69b6eaf14f723d586375e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BEUP3.tmp\ed0b2e30330c5b5b9adccd7aaeb2c360b43cf834fdd69b6eaf14f723d586375e.tmp" /SL5="$60192,6944675,68096,C:\Users\Admin\AppData\Local\Temp\ed0b2e30330c5b5b9adccd7aaeb2c360b43cf834fdd69b6eaf14f723d586375e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4504
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:216
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:428
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4776
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4468
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4300

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1014KB

        MD5

        0b4d5e999ac7aac5b94ae2194bc7398d

        SHA1

        f293795e19824568d674a7cfedef0b22aaf19240

        SHA256

        b496cfcd4f8021ff2b0f58e44b7a689b214bfbcb4c2af357898b8ccb39349029

        SHA512

        b2a28ac633b7e9b1d5867156767046f9dfe9e91572123d96bb5c7656fcc83156963bf36ac06236024a811d74e79fbc898ecfceabf6d836df9f59394d133ef09d

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        258KB

        MD5

        844eeedebf02334bbe07526d03ea9751

        SHA1

        b5fb95671d1da5a0814ec495c0c2beafebdfce94

        SHA256

        24fcce9b606541611b79a170bf18f9181da5ea8057b4f970589a20cc5c213cec

        SHA512

        bb520c7dcdc0907e3aa19d61e4e1905292039aff4b33ebaa7c65150404b2b4c93b3bea932e859588a270998cff3e177961e9c512363d698a2db5552ceccfae8e

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1.0MB

        MD5

        518737024deea8ee356d8477dce56581

        SHA1

        225b59d7385dbba26582c15b80c2cf0c7d2a4ef5

        SHA256

        ee970f60893b06168ff0c536b9b8e60a09028445c12bb79713883c93c0f793cb

        SHA512

        6b17529d3ad940c711f2a1360464fbc6a4e176a445825388fd26d1d2be04e288d83e5f4fb024b8e5c34349fe5c5d760523c85fe5cd807bc956e23e84a4d822e4

      • C:\Users\Admin\AppData\Local\Temp\is-BEUP3.tmp\ed0b2e30330c5b5b9adccd7aaeb2c360b43cf834fdd69b6eaf14f723d586375e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-8VJ0G.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-8VJ0G.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/428-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/428-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/428-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3384-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3384-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3384-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4504-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4504-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4504-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4776-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-179-0x00000000006B0000-0x000000000074E000-memory.dmp

        Filesize

        632KB

      • memory/4776-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-183-0x00000000006B0000-0x000000000074E000-memory.dmp

        Filesize

        632KB

      • memory/4776-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-190-0x00000000006B0000-0x000000000074E000-memory.dmp

        Filesize

        632KB

      • memory/4776-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4776-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB