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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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, 09:30

General

  • Target

    320a27620f9ee1c8c1303bb1fcce6cfe087deebfb50f29d521eb92ebcfd03862.exe

  • Size

    6.9MB

  • MD5

    9f2b8bd72f3a7af81449c01444e4579e

  • SHA1

    b1a32c805997b57d127857043338587ebb008507

  • SHA256

    320a27620f9ee1c8c1303bb1fcce6cfe087deebfb50f29d521eb92ebcfd03862

  • SHA512

    39f63f659da83065f6fdaf4c3a8ad4b4b1e1501060bb7d9c80020c71c252a2fcbdf44cc491232ac031afe78572c2586c9502fd4c94de2a9c58b77bf4fdbfad47

  • SSDEEP

    196608:/H/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:WcOhoGE1ArRvqlgM7xtAT0Hzj

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\320a27620f9ee1c8c1303bb1fcce6cfe087deebfb50f29d521eb92ebcfd03862.exe
    "C:\Users\Admin\AppData\Local\Temp\320a27620f9ee1c8c1303bb1fcce6cfe087deebfb50f29d521eb92ebcfd03862.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3576
    • C:\Users\Admin\AppData\Local\Temp\is-KT164.tmp\320a27620f9ee1c8c1303bb1fcce6cfe087deebfb50f29d521eb92ebcfd03862.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KT164.tmp\320a27620f9ee1c8c1303bb1fcce6cfe087deebfb50f29d521eb92ebcfd03862.tmp" /SL5="$40212,6982471,68096,C:\Users\Admin\AppData\Local\Temp\320a27620f9ee1c8c1303bb1fcce6cfe087deebfb50f29d521eb92ebcfd03862.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1940
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2696
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2704
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3848
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 11
      1⤵
        PID:4712

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        179KB

        MD5

        100dd37774618634dc4cde572483ac70

        SHA1

        9163c3c49dc724bdebdd14e22b5408a5b8beacbe

        SHA256

        0462165a20f3f583299a06b69195d499102175bcd7fad4b8cbe0bd9c69771385

        SHA512

        94f96e954ab5fc33f5f2f0f6580ec29b533614a7a303ca314ccc98491f4c255e3bb1a0b35f5d5b393a52f094cbd769273999bd777c6a37bdc13b98538e4cadf8

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

        Filesize

        102KB

        MD5

        677cfde82cc6e73bcbd00d9def677e3b

        SHA1

        fb7f5e4328d0cf607770917ca9615a6f4bac4d2a

        SHA256

        1fdad9afd56fe924f7d36a2e5511b6116d9eba30a21fe90056ae15fdc3a28232

        SHA512

        2eecf48d9de7593f39a341a34379d59453f01dfc14a9167497ce4f0c444a67e8df38acecc005e4eb03c138d0106ff24adfc695962d9b3ce134596b368eb01bf0

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

        Filesize

        124KB

        MD5

        aaae8ecd86b3965f860b237ea5049e18

        SHA1

        34e20659d485a162a88f3bdcc8341da0632c2eeb

        SHA256

        f8082f8433bfb5adfe14e418aa880a1f56a1227f158172bf2796d24534732a79

        SHA512

        2bab22f9a763c3bae739297e47f73de5c4ce563dd31c7d51fd46d6757499174e7a9865341a1440120670875dedcb85588dfa7688ebc869074f09aca09a92dcf9

      • C:\Users\Admin\AppData\Local\Temp\is-C5FK5.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-C5FK5.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-KT164.tmp\320a27620f9ee1c8c1303bb1fcce6cfe087deebfb50f29d521eb92ebcfd03862.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1424-163-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/1424-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/1424-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2696-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2696-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2696-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2696-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-189-0x00000000007A0000-0x000000000083E000-memory.dmp

        Filesize

        632KB

      • memory/2704-179-0x00000000007A0000-0x000000000083E000-memory.dmp

        Filesize

        632KB

      • memory/2704-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2704-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3576-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3576-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3576-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB