Analysis

  • max time kernel
    143s
  • max time network
    144s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-11-2023 11:45

General

  • Target

    e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9.exe

  • Size

    2.5MB

  • MD5

    1d21147d8a8faccfb6e521dce3aa1722

  • SHA1

    205647cba309b0fb94a5eaad9393609ba9266191

  • SHA256

    e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9

  • SHA512

    ce0a4eec3a298b6c812fbd896ca6d4500fd88a37d89f0f64f04b8f584ffeab2080d6f01f950b776d724edc0fe5224f1abd471d1c4f78bdcd064020e028df9a1c

  • SSDEEP

    49152:32bERBctaqluW8thU0kW2LTxMlR6bJl7Z/EqFtP9E5gWwXo4MLVH4RY0E:mO0lqtWJZMlkJlNdVE5nwCVYlE

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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\e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9.exe
    "C:\Users\Admin\AppData\Local\Temp\e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Users\Admin\AppData\Local\Temp\is-IU5AD.tmp\e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IU5AD.tmp\e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9.tmp" /SL5="$B01E0,2408051,54272,C:\Users\Admin\AppData\Local\Temp\e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:96
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3456
        • C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
          "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1688
        • C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
          "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4940
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5080
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:4572

      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-IU5AD.tmp\e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-IU5AD.tmp\e26ad6af19a57127a5f6fafb37e1bb65935c6ecb5c0f788614e14a713b5ec1a9.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • \Users\Admin\AppData\Local\Temp\is-D3HP0.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • memory/96-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/96-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/96-63-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/1688-53-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1688-58-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1688-56-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1688-54-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4352-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4352-62-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4940-69-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-91-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-68-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-61-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-72-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-75-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-78-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-81-0x0000000002760000-0x000000000280D000-memory.dmp

        Filesize

        692KB

      • memory/4940-82-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-83-0x0000000002760000-0x000000000280D000-memory.dmp

        Filesize

        692KB

      • memory/4940-88-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-64-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-92-0x0000000002760000-0x000000000280D000-memory.dmp

        Filesize

        692KB

      • memory/4940-95-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-98-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-101-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-104-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-107-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4940-108-0x0000000002760000-0x000000000280D000-memory.dmp

        Filesize

        692KB

      • memory/4940-109-0x0000000002760000-0x000000000280D000-memory.dmp

        Filesize

        692KB

      • memory/4940-113-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB