Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-11-2023 18:53

General

  • Target

    a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb.exe

  • Size

    2.8MB

  • MD5

    d4a00179da673efea3d3b5e311f09673

  • SHA1

    d69218cd3ae07587c22d60d012860cd8bbfadcba

  • SHA256

    a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb

  • SHA512

    876dd19bcfaa3bbc64ffacd37e3ce71aec2e4e6aace99c81aa457c6b3a7791dc3d83584a05e50024d1665926467abca96ea8d27a342168aa8195ffdef56517f5

  • SSDEEP

    49152:w2n/u3ewuQtHimJjOKulEX3D1ySEFa7gORShW3K7x91p20xUYxxb/h8ZoRY0E:9n8tDJjOjsDjUhW3KN9W4Hxxb/h7lE

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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 19 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb.exe
    "C:\Users\Admin\AppData\Local\Temp\a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Users\Admin\AppData\Local\Temp\is-412QH.tmp\a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-412QH.tmp\a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb.tmp" /SL5="$4023C,2633374,76288,C:\Users\Admin\AppData\Local\Temp\a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:424
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:208
        • C:\Program Files (x86)\Common Files\GreenTV\GreenTV.exe
          "C:\Program Files (x86)\Common Files\GreenTV\GreenTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4764
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4752
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:1760
          • C:\Program Files (x86)\Common Files\GreenTV\GreenTV.exe
            "C:\Program Files (x86)\Common Files\GreenTV\GreenTV.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4988

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Common Files\GreenTV\GreenTV.exe

        Filesize

        2.2MB

        MD5

        57acb69835723a4407fd4e8db03713db

        SHA1

        288ef77aab7970256ec1efad8bcdbbaac7157a80

        SHA256

        4b779c7a2cd5e20d5afbfe9a9486fdd460fecd26e21682beff7d61ce2a69206d

        SHA512

        c6cac78bda9e9dc913aa73386a78fadfe5270201943ae9152043b56218a3d99f9c10d12e733f85ae810d2db90a12d673608bb850f415b66f48127fd68d330e80

      • C:\Program Files (x86)\Common Files\GreenTV\GreenTV.exe

        Filesize

        2.2MB

        MD5

        57acb69835723a4407fd4e8db03713db

        SHA1

        288ef77aab7970256ec1efad8bcdbbaac7157a80

        SHA256

        4b779c7a2cd5e20d5afbfe9a9486fdd460fecd26e21682beff7d61ce2a69206d

        SHA512

        c6cac78bda9e9dc913aa73386a78fadfe5270201943ae9152043b56218a3d99f9c10d12e733f85ae810d2db90a12d673608bb850f415b66f48127fd68d330e80

      • C:\Program Files (x86)\Common Files\GreenTV\GreenTV.exe

        Filesize

        2.2MB

        MD5

        57acb69835723a4407fd4e8db03713db

        SHA1

        288ef77aab7970256ec1efad8bcdbbaac7157a80

        SHA256

        4b779c7a2cd5e20d5afbfe9a9486fdd460fecd26e21682beff7d61ce2a69206d

        SHA512

        c6cac78bda9e9dc913aa73386a78fadfe5270201943ae9152043b56218a3d99f9c10d12e733f85ae810d2db90a12d673608bb850f415b66f48127fd68d330e80

      • C:\Users\Admin\AppData\Local\Temp\is-412QH.tmp\a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-412QH.tmp\a93a643e33c2840af4ed192e14f6c2d9eb190dab751c565813d25b69cc9467fb.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • \Users\Admin\AppData\Local\Temp\is-GS7DP.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-GS7DP.tmp\_isetup\_isdecmp.dll

        Filesize

        32KB

        MD5

        b6f11a0ab7715f570f45900a1fe84732

        SHA1

        77b1201e535445af5ea94c1b03c0a1c34d67a77b

        SHA256

        e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

        SHA512

        78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

      • \Users\Admin\AppData\Local\Temp\is-GS7DP.tmp\_isetup\_isdecmp.dll

        Filesize

        32KB

        MD5

        b6f11a0ab7715f570f45900a1fe84732

        SHA1

        77b1201e535445af5ea94c1b03c0a1c34d67a77b

        SHA256

        e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

        SHA512

        78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

      • memory/424-71-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB

      • memory/424-6-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB

      • memory/424-69-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/4108-0-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/4108-68-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/4764-59-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4764-60-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4764-64-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-74-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-93-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-67-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-75-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-78-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-81-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-84-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-87-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-88-0x0000000002260000-0x000000000230D000-memory.dmp

        Filesize

        692KB

      • memory/4988-70-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-96-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-97-0x0000000002260000-0x000000000230D000-memory.dmp

        Filesize

        692KB

      • memory/4988-100-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-103-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-106-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-109-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-112-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4988-113-0x0000000002260000-0x000000000230D000-memory.dmp

        Filesize

        692KB

      • memory/4988-114-0x0000000002260000-0x000000000230D000-memory.dmp

        Filesize

        692KB

      • memory/4988-118-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB