Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2023 12:57

General

  • Target

    40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086.exe

  • Size

    2.5MB

  • MD5

    d61b9d841dcb9c152147673bfc2bb948

  • SHA1

    8bb2908d3522bf9e22f58f7003723bb238ccc3ab

  • SHA256

    40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086

  • SHA512

    70c30cc0071819c42575b0fe28e01771f3d78491adb8d0e2b2d946b1787357df3c924fcb27cc54ff444fb1664e8d065d8c4754e5a2d7e98e59c3676fd9592674

  • SSDEEP

    49152:d2bERBctaqluW8thU0kW2LTxMlR6bJl7Z/EqFtP9E5gWwXo4MLVH4RY0E:IO0lqtWJZMlkJlNdVE5nwCVYlE

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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 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\40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086.exe
    "C:\Users\Admin\AppData\Local\Temp\40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Users\Admin\AppData\Local\Temp\is-27M2H.tmp\40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-27M2H.tmp\40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086.tmp" /SL5="$5011E,2408051,54272,C:\Users\Admin\AppData\Local\Temp\40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1056
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4248
        • C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
          "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2584
        • C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
          "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -s
          3⤵
          • Executes dropped EXE
          PID:732
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1784
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:4028

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.4MB

        MD5

        20e94eef2a8d6bd184e1223f3a77cccd

        SHA1

        7bba68c51883a24b54373df118ac1c3020d6537a

        SHA256

        39faa6a73c21ec4cf82ebf099c49eab09e114f8f5cca1696670bbb920c1a9bda

        SHA512

        64d14e126cc64ed94c239de6a09703f1ee298060ac99f17ebcb8d37ed52396319e3afd36ead031bd994211d7de4c8d8160dee978bd6a24d7fdc83e462b2ed4bb

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

        Filesize

        2.4MB

        MD5

        20e94eef2a8d6bd184e1223f3a77cccd

        SHA1

        7bba68c51883a24b54373df118ac1c3020d6537a

        SHA256

        39faa6a73c21ec4cf82ebf099c49eab09e114f8f5cca1696670bbb920c1a9bda

        SHA512

        64d14e126cc64ed94c239de6a09703f1ee298060ac99f17ebcb8d37ed52396319e3afd36ead031bd994211d7de4c8d8160dee978bd6a24d7fdc83e462b2ed4bb

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

        Filesize

        2.4MB

        MD5

        20e94eef2a8d6bd184e1223f3a77cccd

        SHA1

        7bba68c51883a24b54373df118ac1c3020d6537a

        SHA256

        39faa6a73c21ec4cf82ebf099c49eab09e114f8f5cca1696670bbb920c1a9bda

        SHA512

        64d14e126cc64ed94c239de6a09703f1ee298060ac99f17ebcb8d37ed52396319e3afd36ead031bd994211d7de4c8d8160dee978bd6a24d7fdc83e462b2ed4bb

      • C:\Users\Admin\AppData\Local\Temp\is-27M2H.tmp\40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-27M2H.tmp\40aeaaf5effc8d20a8aef93df126fa127a96f5f16656c1086e1177238ddde086.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • memory/732-90-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-74-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-113-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-110-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-107-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-103-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-100-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-61-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-63-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-97-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-94-0x0000000000930000-0x00000000009DD000-memory.dmp

        Filesize

        692KB

      • memory/732-66-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-93-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-70-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-71-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-84-0x0000000000930000-0x00000000009DD000-memory.dmp

        Filesize

        692KB

      • memory/732-77-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-80-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-83-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/732-85-0x0000000000930000-0x00000000009DD000-memory.dmp

        Filesize

        692KB

      • memory/1056-67-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/1056-65-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/1056-7-0x0000000000590000-0x0000000000591000-memory.dmp

        Filesize

        4KB

      • memory/2584-54-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/2584-58-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/2584-59-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/2584-55-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3668-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3668-64-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3668-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB