Analysis

  • max time kernel
    146s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:35

General

  • Target

    QUOTATIO.exe

  • Size

    502KB

  • MD5

    6090c40a1022d3265f2dc7867cd533bb

  • SHA1

    bc5eabceb7a959345421c536219fdbf23602e4e2

  • SHA256

    bdf6444b7ff7cd5866894e61e0ccd96d61d8af22c0043df49d2adcf3659fa853

  • SHA512

    b5d4bc23a7840e03eeffe1f6e5c93c81e42342bb839064607050d8f43d44aae6e51c2200a4e41cc387603ac461157341f66245808a43065090c23902d42aa08a

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATIO.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATIO.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:3392
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bfpnXuLs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DD8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2340
    • C:\Windows\SysWOW64\netsh.exe
      "netsh" wlan show profile
      2⤵
        PID:2284

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp1DD8.tmp
      Filesize

      1KB

      MD5

      eae3b5582bef2ba54dc714139554859b

      SHA1

      f19aa5267e36a368eba5741179da76677fb69576

      SHA256

      e3265cd67a0fe9a9624dc77048e1e90b81f906fedde9f5938e12b244f4372f36

      SHA512

      c3547eb2cef0dc9f217e3e2318823dbc748b70a135a538f08cced4a4b9e6315a3b23f0ce9df95b67cde528360538dcfe39979c0f4a82e690d1b508860190cfd9

    • memory/2284-139-0x0000000000000000-mapping.dmp
    • memory/2340-135-0x0000000000000000-mapping.dmp
    • memory/3392-130-0x0000000000FC0000-0x0000000001044000-memory.dmp
      Filesize

      528KB

    • memory/3392-131-0x0000000005EF0000-0x0000000006494000-memory.dmp
      Filesize

      5.6MB

    • memory/3392-132-0x0000000005940000-0x00000000059D2000-memory.dmp
      Filesize

      584KB

    • memory/3392-133-0x00000000058C0000-0x00000000058CA000-memory.dmp
      Filesize

      40KB

    • memory/3392-134-0x0000000009350000-0x00000000093EC000-memory.dmp
      Filesize

      624KB

    • memory/3392-137-0x0000000007AF0000-0x0000000007B56000-memory.dmp
      Filesize

      408KB

    • memory/3392-138-0x0000000009DA0000-0x0000000009DF0000-memory.dmp
      Filesize

      320KB