Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2023 15:23

General

  • Target

    11db02e5d8dbddbe01af35c535048fc8.exe

  • Size

    2.5MB

  • MD5

    11db02e5d8dbddbe01af35c535048fc8

  • SHA1

    631f02d7e5a603d6d0446e1e7f7cc567d7e7f295

  • SHA256

    bd01e60b67d49f7d63617bfe41b00e718791e4510a4c98ce93da0e3d8f74bdfc

  • SHA512

    1de9f66477026cf123ad83d11c8907dcbcd343816ffad16c8959dce9c7850a55f5b98fd7492bf5f8b187ee0a626416cc2281fb160cba5a13ebe7d92e9ab56000

  • SSDEEP

    49152:s2yAME4XX3hEQNvLc4dC1MFvQN2QrhCA4nYf30Co21GAaaq9xMFHQRY0E:ByAwn3hHNTcfdNhNoYf30vew7lE

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\11db02e5d8dbddbe01af35c535048fc8.exe
    "C:\Users\Admin\AppData\Local\Temp\11db02e5d8dbddbe01af35c535048fc8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\is-3KV66.tmp\11db02e5d8dbddbe01af35c535048fc8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3KV66.tmp\11db02e5d8dbddbe01af35c535048fc8.tmp" /SL5="$D003E,2407126,54272,C:\Users\Admin\AppData\Local\Temp\11db02e5d8dbddbe01af35c535048fc8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:5080
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1940
        • C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
          "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1568
        • C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
          "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1492
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2564
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:544

      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

        4e3d19c3d6a4b214988ffefe25bae556

        SHA1

        d2c26e1a03d48e8e4db539e09dd11dae1b62bc15

        SHA256

        be2b957aeac8b90f5386a788d1e88c39a88f22b6bb7cc90c95528505b7e13e69

        SHA512

        d8bb9e569c85ab18b729568905f18814fa2a76691868190a445ac464c4ad79d312aa32e0a645827006d571a67b7527908fcb98d4d27409f3ad03792c5fd824b7

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

        Filesize

        2.4MB

        MD5

        4e3d19c3d6a4b214988ffefe25bae556

        SHA1

        d2c26e1a03d48e8e4db539e09dd11dae1b62bc15

        SHA256

        be2b957aeac8b90f5386a788d1e88c39a88f22b6bb7cc90c95528505b7e13e69

        SHA512

        d8bb9e569c85ab18b729568905f18814fa2a76691868190a445ac464c4ad79d312aa32e0a645827006d571a67b7527908fcb98d4d27409f3ad03792c5fd824b7

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

        Filesize

        2.4MB

        MD5

        4e3d19c3d6a4b214988ffefe25bae556

        SHA1

        d2c26e1a03d48e8e4db539e09dd11dae1b62bc15

        SHA256

        be2b957aeac8b90f5386a788d1e88c39a88f22b6bb7cc90c95528505b7e13e69

        SHA512

        d8bb9e569c85ab18b729568905f18814fa2a76691868190a445ac464c4ad79d312aa32e0a645827006d571a67b7527908fcb98d4d27409f3ad03792c5fd824b7

      • C:\Users\Admin\AppData\Local\Temp\is-3KV66.tmp\11db02e5d8dbddbe01af35c535048fc8.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-3KV66.tmp\11db02e5d8dbddbe01af35c535048fc8.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • memory/1492-83-0x00000000007E0000-0x000000000088D000-memory.dmp

        Filesize

        692KB

      • memory/1492-93-0x00000000007E0000-0x000000000088D000-memory.dmp

        Filesize

        692KB

      • memory/1492-111-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-108-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-105-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-102-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-99-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-62-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-96-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-92-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-65-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-89-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-69-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-70-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-73-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-76-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-79-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-82-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-84-0x00000000007E0000-0x000000000088D000-memory.dmp

        Filesize

        692KB

      • memory/1568-54-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1568-59-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1568-58-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1568-55-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/1944-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1944-63-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1944-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5080-66-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/5080-64-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/5080-7-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB