Analysis

  • max time kernel
    135s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2023, 12:18

General

  • Target

    SOA.exe

  • Size

    1.0MB

  • MD5

    fb0950bf9032fec787bb207fb301f241

  • SHA1

    d1f7e856010549dec73aec6129ce98623c5d6cb9

  • SHA256

    11b9f67eb281cdf13dae80e0e6b549755355ffe3774a0ee63f902adf522615c3

  • SHA512

    595a485c2331f62ee2f3e2b053b29594404e659b91bf268aac7519d5db790ad0d0f1dd9a2eab610673f1c77081b568b1c1636984eebd019d1a109b3f2b4ea4ac

  • SSDEEP

    24576:C/pk1/tX0BhzdbPF/pqZT+w8oDyV1WVTCOi9KeV:C/pQ8hzdXqZT4V1Gi9Ke

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bcRshebyeX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6AB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2224
    • C:\Users\Admin\AppData\Local\Temp\SOA.exe
      "{path}"
      2⤵
        PID:3476
      • C:\Users\Admin\AppData\Local\Temp\SOA.exe
        "{path}"
        2⤵
          PID:4964
        • C:\Users\Admin\AppData\Local\Temp\SOA.exe
          "{path}"
          2⤵
            PID:5100
          • C:\Users\Admin\AppData\Local\Temp\SOA.exe
            "{path}"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:932

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SOA.exe.log

                Filesize

                1KB

                MD5

                84e77a587d94307c0ac1357eb4d3d46f

                SHA1

                83cc900f9401f43d181207d64c5adba7a85edc1e

                SHA256

                e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

                SHA512

                aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

              • C:\Users\Admin\AppData\Local\Temp\tmpE6AB.tmp

                Filesize

                1KB

                MD5

                a126533a1c399c7eb3fdc46a004a02a9

                SHA1

                f91b1de354f02383495f150c7cdb429b25f6f5df

                SHA256

                777cbf940c44031ea326c5528ae6258da33c4b2af8d33ac7a9e8cfc21a2babfa

                SHA512

                ab5b35548ed95b7873e40ccc957fa9073509ec0439f252752c332b56042625520adb026fad7fbc5169852c8de129ad1bd07e13e93b4717db4c4e8531c242ea64

              • memory/520-136-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

                Filesize

                40KB

              • memory/520-133-0x0000000005110000-0x00000000056B4000-memory.dmp

                Filesize

                5.6MB

              • memory/520-132-0x0000000000270000-0x0000000000382000-memory.dmp

                Filesize

                1.1MB

              • memory/520-135-0x0000000004D40000-0x0000000004DDC000-memory.dmp

                Filesize

                624KB

              • memory/520-134-0x0000000004C00000-0x0000000004C92000-memory.dmp

                Filesize

                584KB

              • memory/932-143-0x0000000000400000-0x0000000000430000-memory.dmp

                Filesize

                192KB

              • memory/932-145-0x0000000004DE0000-0x0000000004E46000-memory.dmp

                Filesize

                408KB

              • memory/932-146-0x0000000006A00000-0x0000000006A50000-memory.dmp

                Filesize

                320KB

              • memory/932-147-0x0000000006C60000-0x0000000006E22000-memory.dmp

                Filesize

                1.8MB