Analysis

  • max time kernel
    5s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 06:29

General

  • Target

    000100049000TK.exe

  • Size

    955KB

  • MD5

    113f59d0bd4384226e40c17bf899935d

  • SHA1

    4bf159402cefe87d328182fee0e82297b1fff5c5

  • SHA256

    b77f7c59b071608e552cf6ccae6f9e0e3f6790d83ec7d163713b0eedc6eccf25

  • SHA512

    d8e3717916475013e8ec8cc5a5fef303c4467fe66b944f1031ee73ad964a6a699d3c872a305173ac7565e5000ade605e8cef1cbe3ca9438ac1f85993a69a3b78

  • SSDEEP

    12288:gFrXv++Cjkemhes5D9Bq1U50kb9zU9uRyM3/CsUABjFG3CiEN4/PosRbOt/kUQQj:gFrpCDsz2SCyiJA+O9ENGZOMb

Malware Config

Signatures

  • A310logger

    A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • Detect ZGRat V1 1 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 11 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • A310logger Executable 11 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe
    "C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe
      "C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
        3⤵
          PID:1088
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
            4⤵
              PID:2120
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
            3⤵
              PID:784
              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
                4⤵
                  PID:1280
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
            1⤵
            • Accesses Microsoft Outlook profiles
            • Checks processor information in registry
            • outlook_office_path
            • outlook_win_path
            PID:2752
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
              2⤵
                PID:592

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Credential Access

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            System Information Discovery

            2
            T1082

            Query Registry

            1
            T1012

            Collection

            Data from Local System

            1
            T1005

            Email Collection

            1
            T1114

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/592-112-0x000007FEF5080000-0x000007FEF5A1D000-memory.dmp
              Filesize

              9.6MB

            • memory/592-111-0x000007FEF5080000-0x000007FEF5A1D000-memory.dmp
              Filesize

              9.6MB

            • memory/592-115-0x000007FEF5080000-0x000007FEF5A1D000-memory.dmp
              Filesize

              9.6MB

            • memory/784-176-0x0000000073B50000-0x00000000740FB000-memory.dmp
              Filesize

              5.7MB

            • memory/784-178-0x0000000073B50000-0x00000000740FB000-memory.dmp
              Filesize

              5.7MB

            • memory/784-175-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/784-204-0x0000000073B50000-0x00000000740FB000-memory.dmp
              Filesize

              5.7MB

            • memory/784-177-0x0000000001F40000-0x0000000001F80000-memory.dmp
              Filesize

              256KB

            • memory/784-173-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/784-169-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
              Filesize

              4KB

            • memory/844-2-0x0000000004930000-0x0000000004970000-memory.dmp
              Filesize

              256KB

            • memory/844-0-0x00000000008A0000-0x0000000000994000-memory.dmp
              Filesize

              976KB

            • memory/844-3-0x0000000002200000-0x0000000002278000-memory.dmp
              Filesize

              480KB

            • memory/844-18-0x0000000073D90000-0x000000007447E000-memory.dmp
              Filesize

              6.9MB

            • memory/844-4-0x00000000002B0000-0x00000000002C6000-memory.dmp
              Filesize

              88KB

            • memory/844-1-0x0000000073D90000-0x000000007447E000-memory.dmp
              Filesize

              6.9MB

            • memory/1088-132-0x0000000000670000-0x00000000006B0000-memory.dmp
              Filesize

              256KB

            • memory/1088-128-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/1088-131-0x0000000073BA0000-0x000000007414B000-memory.dmp
              Filesize

              5.7MB

            • memory/1088-133-0x0000000073BA0000-0x000000007414B000-memory.dmp
              Filesize

              5.7MB

            • memory/1088-130-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/1088-159-0x0000000073BA0000-0x000000007414B000-memory.dmp
              Filesize

              5.7MB

            • memory/1280-203-0x000007FEF5080000-0x000007FEF5A1D000-memory.dmp
              Filesize

              9.6MB

            • memory/1280-202-0x000007FEF5080000-0x000007FEF5A1D000-memory.dmp
              Filesize

              9.6MB

            • memory/2120-158-0x000007FEF46E0000-0x000007FEF507D000-memory.dmp
              Filesize

              9.6MB

            • memory/2120-157-0x000007FEF46E0000-0x000007FEF507D000-memory.dmp
              Filesize

              9.6MB

            • memory/2752-33-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/2752-35-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/2752-108-0x0000000073C70000-0x000000007421B000-memory.dmp
              Filesize

              5.7MB

            • memory/2752-101-0x0000000073C70000-0x000000007421B000-memory.dmp
              Filesize

              5.7MB

            • memory/2752-113-0x0000000073C70000-0x000000007421B000-memory.dmp
              Filesize

              5.7MB

            • memory/2752-31-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/2752-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
              Filesize

              4KB

            • memory/2752-21-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/2752-23-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/2752-37-0x0000000073C70000-0x000000007421B000-memory.dmp
              Filesize

              5.7MB

            • memory/2752-38-0x0000000000C40000-0x0000000000C80000-memory.dmp
              Filesize

              256KB

            • memory/2752-25-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/2752-36-0x0000000073C70000-0x000000007421B000-memory.dmp
              Filesize

              5.7MB

            • memory/2752-27-0x0000000000400000-0x0000000000418000-memory.dmp
              Filesize

              96KB

            • memory/2788-9-0x0000000000400000-0x0000000000430000-memory.dmp
              Filesize

              192KB

            • memory/2788-5-0x0000000000400000-0x0000000000430000-memory.dmp
              Filesize

              192KB

            • memory/2788-100-0x0000000000400000-0x0000000000430000-memory.dmp
              Filesize

              192KB

            • memory/2788-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
              Filesize

              4KB

            • memory/2788-15-0x0000000000400000-0x0000000000430000-memory.dmp
              Filesize

              192KB

            • memory/2788-17-0x0000000000400000-0x0000000000430000-memory.dmp
              Filesize

              192KB

            • memory/2788-7-0x0000000000400000-0x0000000000430000-memory.dmp
              Filesize

              192KB