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Analysis

  • max time kernel
    143s
  • max time network
    150s
  • 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, 12:16

General

  • Target

    e48454817ee97ec20ae7300acc8c263a3ffa98d6869318960cb31b2378fc314d.exe

  • Size

    6.9MB

  • MD5

    eca6b3d74a4276519fd030fca4d6fe31

  • SHA1

    9782db04a3da6c4076842a8ae695900884d1b0f6

  • SHA256

    e48454817ee97ec20ae7300acc8c263a3ffa98d6869318960cb31b2378fc314d

  • SHA512

    7e878eee542f15cdc0ca2e6be1c28190d6106469745deaed052151993c2a8166509a91723c379021d761aca0edcb66239c541ab5d14a9bd4ecf581731f5ffd01

  • SSDEEP

    196608:pW0fKLtr95HARqIrmVY8S50UL8Kj8yTwHvWY3Nzj:ptO/hAPmVNyEWeNzj

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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e48454817ee97ec20ae7300acc8c263a3ffa98d6869318960cb31b2378fc314d.exe
    "C:\Users\Admin\AppData\Local\Temp\e48454817ee97ec20ae7300acc8c263a3ffa98d6869318960cb31b2378fc314d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Users\Admin\AppData\Local\Temp\is-KA1BN.tmp\e48454817ee97ec20ae7300acc8c263a3ffa98d6869318960cb31b2378fc314d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KA1BN.tmp\e48454817ee97ec20ae7300acc8c263a3ffa98d6869318960cb31b2378fc314d.tmp" /SL5="$B0060,6973457,68096,C:\Users\Admin\AppData\Local\Temp\e48454817ee97ec20ae7300acc8c263a3ffa98d6869318960cb31b2378fc314d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3224
      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
        "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4924
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2240
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1184
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3624
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4416
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:4916
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3624

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.7MB

          MD5

          033fdb9988f3a063da711bf5eafb020a

          SHA1

          8e99fb4ec0b004950fd43320ee695d433932c4b0

          SHA256

          d6d0185d631af3a9e2104221d3c789f759940863397d96c22b8c42277902e7e1

          SHA512

          09abf965a22cfc2c22960b06d0c5c021e88d51f80ebf6857c06b1e06b87eb52a2f306e70f452053b4162e0ecb608bfdb927c17409116d92251ec96c9615a38d4

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

          Filesize

          1.8MB

          MD5

          11793f6b69b2df9823a26f0356c191da

          SHA1

          ee7d551f6bcdd993f338a73fbef8e4f2a7e072fd

          SHA256

          ee80b4359afed08948ef90984bb846e18ef2ba254253322d6a7d64b60654fb3a

          SHA512

          c482e23f88615c1ca6b44a097c909ccf763f1158c9bd1a8689c1a6590cbc2717f3dd0173a14b582076fe57d00ab50e900caae650a0f6f90d917215a843473b3d

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

          Filesize

          912KB

          MD5

          6f65155680ac073bd7e62996229a0b74

          SHA1

          d53548b36bb0ac6d7be5341f7fd0f6106697d3a0

          SHA256

          4804da9dcf94f86f558b2675e213fa43912eec88749e7b2acb0b6e8bf31b723e

          SHA512

          74a65620f22126cafc151b2179a7710c83ccaec053d86495aec87b08311041522f6bfc99b1be1613c470aaf52f29e823f068c4f6f79ed6edb734caed9b6e4d74

        • C:\Users\Admin\AppData\Local\Temp\is-10TMU.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-10TMU.tmp\_isetup\_isdecmp.dll

          Filesize

          19KB

          MD5

          3adaa386b671c2df3bae5b39dc093008

          SHA1

          067cf95fbdb922d81db58432c46930f86d23dded

          SHA256

          71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

          SHA512

          bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

        • C:\Users\Admin\AppData\Local\Temp\is-KA1BN.tmp\e48454817ee97ec20ae7300acc8c263a3ffa98d6869318960cb31b2378fc314d.tmp

          Filesize

          687KB

          MD5

          f448d7f4b76e5c9c3a4eaff16a8b9b73

          SHA1

          31808f1ffa84c954376975b7cdb0007e6b762488

          SHA256

          7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

          SHA512

          f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

        • memory/1184-178-0x0000000000860000-0x00000000008FE000-memory.dmp

          Filesize

          632KB

        • memory/1184-189-0x0000000000860000-0x00000000008FE000-memory.dmp

          Filesize

          632KB

        • memory/1184-202-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-198-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-195-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-192-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-188-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-158-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-185-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-182-0x0000000000860000-0x00000000008FE000-memory.dmp

          Filesize

          632KB

        • memory/1184-161-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-179-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-165-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-166-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-169-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-172-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/1184-175-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3224-162-0x0000000000690000-0x0000000000691000-memory.dmp

          Filesize

          4KB

        • memory/3224-160-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/3224-12-0x0000000000690000-0x0000000000691000-memory.dmp

          Filesize

          4KB

        • memory/3624-205-0x000001D042240000-0x000001D042250000-memory.dmp

          Filesize

          64KB

        • memory/3624-221-0x000001D042340000-0x000001D042350000-memory.dmp

          Filesize

          64KB

        • memory/4364-0-0x0000000000400000-0x0000000000418000-memory.dmp

          Filesize

          96KB

        • memory/4364-159-0x0000000000400000-0x0000000000418000-memory.dmp

          Filesize

          96KB

        • memory/4364-2-0x0000000000400000-0x0000000000418000-memory.dmp

          Filesize

          96KB

        • memory/4924-154-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/4924-155-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/4924-152-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/4924-151-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB