Analysis

  • max time kernel
    45s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24/12/2022, 03:12

General

  • Target

    07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe

  • Size

    707KB

  • MD5

    e5a798405adb74ead4db1df438524852

  • SHA1

    32d2863fa7c0572397ae1b389ba3fe010bc64b6a

  • SHA256

    07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa

  • SHA512

    3ba595fda64fc139591fe288ed648659edcec8a274a2331f6990af3d040e955806f20facbc61adce63f8de6b7b2174be43e5d88d9ff5413a738e8446ec050aca

  • SSDEEP

    12288:w65EqFqD6LIT1acv+SNq5keRx/ZGWEMnqo+IiiPORgojymOXxGP0Gxx04AbrPWUF:wyHUDT1atSN0keRlDEMWRnymOhR+uTnF

Score
8/10
upx

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe
    "C:\Users\Admin\AppData\Local\Temp\07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Users\Admin\AppData\Local\Temp\07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe
      "C:\Users\Admin\AppData\Local\Temp\07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe" --crash-reporter-parent-id=1440
      2⤵
        PID:1932
      • C:\Users\Admin\AppData\Local\Temp\Opera Installer\07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe
        "C:\Users\Admin\AppData\Local\Temp\Opera Installer\07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe" --version
        2⤵
        • Executes dropped EXE
        PID:1452
      • C:\Users\Admin\AppData\Local\Temp\Opera Installer\opera_installer_20221224041224.exe
        "C:\Users\Admin\AppData\Local\Temp\Opera Installer\opera_installer_20221224041224.exe" --internal-version
        2⤵
        • Executes dropped EXE
        PID:1728
      • C:\Users\Admin\AppData\Local\Temp\Opera Installer\opera_installer_20221224041224.exe
        "C:\Users\Admin\AppData\Local\Temp\Opera Installer\opera_installer_20221224041224.exe" --stream
        2⤵
        • Executes dropped EXE
        PID:1924

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\Opera Installer\07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe

            Filesize

            707KB

            MD5

            e5a798405adb74ead4db1df438524852

            SHA1

            32d2863fa7c0572397ae1b389ba3fe010bc64b6a

            SHA256

            07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa

            SHA512

            3ba595fda64fc139591fe288ed648659edcec8a274a2331f6990af3d040e955806f20facbc61adce63f8de6b7b2174be43e5d88d9ff5413a738e8446ec050aca

          • C:\Users\Admin\AppData\Local\Temp\Opera Installer\opera_installer_20221224041224.exe

            Filesize

            35.9MB

            MD5

            36f8b3bb2ba2194db065637af8bf4453

            SHA1

            1262df44dcc47e5a81f17e559252247f9f35b914

            SHA256

            ac4dfaed56f4a4259befff7471d8d297e3d5c13951aad6b64280830dd36d1724

            SHA512

            7c22d94fcb5cba4669d53929a73240879875c26cfa43bf9135c1772e024fe8991618150fa26550e89fdb5a40e6e642d80ab81c523dba29f441c1b389a9fc37c6

          • C:\Users\Admin\AppData\Local\Temp\Opera Installer\opera_installer_20221224041224.exe

            Filesize

            35.9MB

            MD5

            36f8b3bb2ba2194db065637af8bf4453

            SHA1

            1262df44dcc47e5a81f17e559252247f9f35b914

            SHA256

            ac4dfaed56f4a4259befff7471d8d297e3d5c13951aad6b64280830dd36d1724

            SHA512

            7c22d94fcb5cba4669d53929a73240879875c26cfa43bf9135c1772e024fe8991618150fa26550e89fdb5a40e6e642d80ab81c523dba29f441c1b389a9fc37c6

          • \Users\Admin\AppData\Local\Temp\Opera Installer\07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa.exe

            Filesize

            707KB

            MD5

            e5a798405adb74ead4db1df438524852

            SHA1

            32d2863fa7c0572397ae1b389ba3fe010bc64b6a

            SHA256

            07d6213bac8df858c7aa159a69ec758a3d3f1e182132f388e94cf0b8422d8baa

            SHA512

            3ba595fda64fc139591fe288ed648659edcec8a274a2331f6990af3d040e955806f20facbc61adce63f8de6b7b2174be43e5d88d9ff5413a738e8446ec050aca

          • \Users\Admin\AppData\Local\Temp\Opera Installer\opera_installer_20221224041224.exe

            Filesize

            35.9MB

            MD5

            36f8b3bb2ba2194db065637af8bf4453

            SHA1

            1262df44dcc47e5a81f17e559252247f9f35b914

            SHA256

            ac4dfaed56f4a4259befff7471d8d297e3d5c13951aad6b64280830dd36d1724

            SHA512

            7c22d94fcb5cba4669d53929a73240879875c26cfa43bf9135c1772e024fe8991618150fa26550e89fdb5a40e6e642d80ab81c523dba29f441c1b389a9fc37c6

          • \Users\Admin\AppData\Local\Temp\Opera Installer\opera_installer_20221224041224.exe

            Filesize

            35.9MB

            MD5

            36f8b3bb2ba2194db065637af8bf4453

            SHA1

            1262df44dcc47e5a81f17e559252247f9f35b914

            SHA256

            ac4dfaed56f4a4259befff7471d8d297e3d5c13951aad6b64280830dd36d1724

            SHA512

            7c22d94fcb5cba4669d53929a73240879875c26cfa43bf9135c1772e024fe8991618150fa26550e89fdb5a40e6e642d80ab81c523dba29f441c1b389a9fc37c6

          • memory/1440-66-0x0000000000690000-0x00000000007EC000-memory.dmp

            Filesize

            1.4MB

          • memory/1440-59-0x0000000000100000-0x0000000000106000-memory.dmp

            Filesize

            24KB

          • memory/1440-78-0x0000000000690000-0x00000000007EC000-memory.dmp

            Filesize

            1.4MB

          • memory/1440-65-0x0000000000D30000-0x0000000000E8C000-memory.dmp

            Filesize

            1.4MB

          • memory/1440-54-0x0000000076181000-0x0000000076183000-memory.dmp

            Filesize

            8KB

          • memory/1440-77-0x0000000000D30000-0x0000000000E8C000-memory.dmp

            Filesize

            1.4MB

          • memory/1440-68-0x0000000002290000-0x00000000023EC000-memory.dmp

            Filesize

            1.4MB

          • memory/1440-57-0x0000000000100000-0x0000000000106000-memory.dmp

            Filesize

            24KB

          • memory/1440-58-0x0000000000100000-0x0000000000106000-memory.dmp

            Filesize

            24KB

          • memory/1452-64-0x0000000000930000-0x0000000000A8C000-memory.dmp

            Filesize

            1.4MB

          • memory/1932-67-0x0000000000D30000-0x0000000000E8C000-memory.dmp

            Filesize

            1.4MB