Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2023 10:40

General

  • Target

    dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b.exe

  • Size

    2.5MB

  • MD5

    a65beac0856f8eaaa7979ece75efdfe4

  • SHA1

    498dac753fa913e2627b139fc78ab691bfc094a0

  • SHA256

    dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b

  • SHA512

    7e7ac2f5891e4d2e550c2b5f81a2cca9b264078202354b0a69f62a9efdc926ed3cb2ae414ae11ba7f223595912f9227155f215a2cd36dfd5dbd89fa05500bd74

  • SSDEEP

    49152:N2yAME4XX3hEQNvLc4dC1MFvQN2QrhCA4nYf30Co21GAaaq9xMFHQRY0E:YyAwn3hHNTcfdNhNoYf30vew7lE

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\dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b.exe
    "C:\Users\Admin\AppData\Local\Temp\dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\is-6Q30M.tmp\dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-6Q30M.tmp\dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b.tmp" /SL5="$A021E,2407126,54272,C:\Users\Admin\AppData\Local\Temp\dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2196
        • C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
          "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4144
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1180
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:3956
          • C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
            "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3600

      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-6Q30M.tmp\dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-6Q30M.tmp\dd261a48007caff71b2fe10070a53998078812665a8154025d5a7e40cfd2217b.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • memory/1432-6-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/1432-66-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/1432-64-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/2148-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2148-63-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3600-84-0x0000000000850000-0x00000000008FD000-memory.dmp

        Filesize

        692KB

      • memory/3600-92-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-62-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-112-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-109-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-65-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-106-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-69-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-70-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-73-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-76-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-79-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-82-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-102-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-83-0x0000000000850000-0x00000000008FD000-memory.dmp

        Filesize

        692KB

      • memory/3600-89-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-60-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-93-0x0000000000850000-0x00000000008FD000-memory.dmp

        Filesize

        692KB

      • memory/3600-96-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/3600-99-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4144-53-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4144-54-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4144-57-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB

      • memory/4144-58-0x0000000000400000-0x0000000000672000-memory.dmp

        Filesize

        2.4MB