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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 13:22

General

  • Target

    e91196e72eb8c529127a481272237f4e7d01ea457de677cbba7ea3eada56534b.exe

  • Size

    6.9MB

  • MD5

    0f2c814e74269d36fa1bcdc3ff92b7fc

  • SHA1

    e4b6db414a148b038ac875ac93a071a29967ebb1

  • SHA256

    e91196e72eb8c529127a481272237f4e7d01ea457de677cbba7ea3eada56534b

  • SHA512

    302771e2cc36886fe79175b7d634b177c116f9244889695155ba3a70eaee23c68cf177b9f50d8e3a321bca58822e1f094803097d77d21bc52291e635bab15fa1

  • SSDEEP

    196608:JxOlhkHxfDumIwWJfU1IzKkGjAqiuGIqOg9zj:yjkHxfKTnJjzKkRtF9zj

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\e91196e72eb8c529127a481272237f4e7d01ea457de677cbba7ea3eada56534b.exe
    "C:\Users\Admin\AppData\Local\Temp\e91196e72eb8c529127a481272237f4e7d01ea457de677cbba7ea3eada56534b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Users\Admin\AppData\Local\Temp\is-9GSLE.tmp\e91196e72eb8c529127a481272237f4e7d01ea457de677cbba7ea3eada56534b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9GSLE.tmp\e91196e72eb8c529127a481272237f4e7d01ea457de677cbba7ea3eada56534b.tmp" /SL5="$601B8,6950053,68096,C:\Users\Admin\AppData\Local\Temp\e91196e72eb8c529127a481272237f4e7d01ea457de677cbba7ea3eada56534b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3808
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2896
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1196
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3392
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3212
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1148

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        31a67cb10577d20a96937eec6a9b99bd

        SHA1

        a861888ce00888370a85dc2c7925fb4178aa7a2c

        SHA256

        3db1a59d28b184bacc5ac11a362e5c5293118f5bc7948d51def377474def7ff4

        SHA512

        0ca7b34bdee6a0a12feed7be7bf11cca882233353ae382d221a856007d3a396e73d95f230eab7fb2e1e4e361caee8c6b09cf9a3dd5007b732869f8f63f2b8839

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

        Filesize

        1.7MB

        MD5

        795c5e75a6d6c4055641307dc7a9faf6

        SHA1

        19c5eef9b76340a8280ef480e858656477cf66ae

        SHA256

        c3bbfd84c315a3942dc2716c9c92775d57d9fd4b03113b028a01b37252d66b71

        SHA512

        66b3459b58c94ebf6658fe8717f3510ccef6751effafebe77b63039024034fbd4da5424393b454c1614bbc8c8052437787366427227fd52d433656ea8763d888

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

        Filesize

        1.3MB

        MD5

        edbf231e1f0ea5ded95dfee3633d6ef2

        SHA1

        83cb2dc998232e5965bcf73e098c306b89001c3d

        SHA256

        54844ec36a4f90d0e259fcd7d702b0f7c877356ef3add9517e596c17d6ea4b47

        SHA512

        da0e8df5c51dbe65e26885687e16b3515855a17f4a6a9439c98f46b2270054a2f4c20f45e85624be8920f1fb790c1628ef251a9e114bdddd2eb7448501cdaae1

      • C:\Users\Admin\AppData\Local\Temp\is-9GSLE.tmp\e91196e72eb8c529127a481272237f4e7d01ea457de677cbba7ea3eada56534b.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-N3L0R.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-N3L0R.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1196-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1196-150-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1196-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-182-0x00000000007A0000-0x000000000083E000-memory.dmp

        Filesize

        632KB

      • memory/3392-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-207-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-204-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-161-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-201-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-165-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-169-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-172-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-175-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-177-0x00000000007A0000-0x000000000083E000-memory.dmp

        Filesize

        632KB

      • memory/3392-181-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3392-189-0x00000000007A0000-0x000000000083E000-memory.dmp

        Filesize

        632KB

      • memory/3392-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3804-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3804-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3808-12-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3808-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3808-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB