Analysis

  • max time kernel
    144s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/01/2025, 17:38

General

  • Target

    BIGBOSS.exe

  • Size

    36.6MB

  • MD5

    19773de3aada9bebac1c8a284059e0a5

  • SHA1

    482dcb8326ab158a0b054516cede9d80119dca7b

  • SHA256

    4400ba385c37b8c0ec3c63463794c2a335fe8823a0a43a910ae6400337371217

  • SHA512

    829ee42d011ca1064a272fc626540b5ddf115d1e59e8e107b185def9ced215b96ce3018c7ff4a8a6c30893e313c64e1df58e7771e1d2f868fcfa61c7ecd56346

  • SSDEEP

    786432:w5iyxGxoo4kxSjEN0CgFjaj2G8NkzJD4pSbN+WYbO7fqffK:w01xoLvCgxayG8NkzJDaSbN+WY8qffK

Malware Config

Signatures

  • AxBanker

    AxBanker is an Android banking trojan that targets bank customers information distributed through fake bank applications.

  • Axbanker family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 27 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BIGBOSS.exe
    "C:\Users\Admin\AppData\Local\Temp\BIGBOSS.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-startup-window --start-in-incognito
      2⤵
        PID:1916
      • C:\Users\Admin\AppData\Roaming\Microsoft\Network\host\QCgJgdx\QCgJgdxmV.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Network\host\\QCgJgdx\QCgJgdxmV.exe" MAIN_EXE
        2⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Checks computer location settings
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3328
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-startup-window --start-in-incognito
          3⤵
            PID:3704
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set heuristics disabled
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:4540
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set global autotuninglevel=normal
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:4692
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set global congestionprovider=ctcp
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:3728
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set global ecncapability=default
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2056
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set global rss=enabled
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:3304
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set global chimney=disabled
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:3520
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set global dca=enabled
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:556
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set global timestamps=disabled
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            • System Time Discovery
            PID:3020
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" int tcp set global rsc=enabled
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:1568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Network\host\QCgJgdx\QCgJgdxmV.exe

        Filesize

        23.4MB

        MD5

        dc7c215937c74c3d504e8d62ac02eefe

        SHA1

        c8cf580bab370b96880d2963370f49e56a3d21ac

        SHA256

        ea69aac13ded5004e33dd2cba9c8b2f5a646c752015f9f0842c35ff004423ddb

        SHA512

        7c1ea96ece4f449f71f24e065c813bb3c65833445573c3976562dfd00959b0ace5d8ebadd76efcfbbddc68578c69ca3640e883a94f24edb3fed5a5402e989b04

      • memory/1948-0-0x0000000000160000-0x0000000003662000-memory.dmp

        Filesize

        53.0MB

      • memory/1948-5-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-4-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-3-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-2-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-1-0x00000000770E0000-0x00000000770E1000-memory.dmp

        Filesize

        4KB

      • memory/1948-7-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-8-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-6-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-9-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-13-0x0000000000160000-0x0000000003662000-memory.dmp

        Filesize

        53.0MB

      • memory/1948-14-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-17-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-16-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-15-0x00000000770E0000-0x00000000770E1000-memory.dmp

        Filesize

        4KB

      • memory/1948-18-0x0000000000160000-0x0000000003662000-memory.dmp

        Filesize

        53.0MB

      • memory/1948-20-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-19-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-21-0x0000000000160000-0x0000000003662000-memory.dmp

        Filesize

        53.0MB

      • memory/1948-23-0x0000000008D70000-0x0000000009314000-memory.dmp

        Filesize

        5.6MB

      • memory/1948-24-0x0000000006290000-0x0000000006322000-memory.dmp

        Filesize

        584KB

      • memory/1948-25-0x0000000008CD0000-0x0000000008CDA000-memory.dmp

        Filesize

        40KB

      • memory/1948-26-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/1948-36-0x0000000000160000-0x0000000003662000-memory.dmp

        Filesize

        53.0MB

      • memory/1948-37-0x00000000770C0000-0x00000000771B0000-memory.dmp

        Filesize

        960KB

      • memory/3328-38-0x0000000000AD0000-0x00000000047A8000-memory.dmp

        Filesize

        60.8MB

      • memory/3328-39-0x0000000000AD0000-0x00000000047A8000-memory.dmp

        Filesize

        60.8MB

      • memory/3328-40-0x00000000072B0000-0x00000000072BA000-memory.dmp

        Filesize

        40KB

      • memory/3328-41-0x0000000009C70000-0x0000000009D10000-memory.dmp

        Filesize

        640KB

      • memory/3328-43-0x0000000009D30000-0x0000000009D7A000-memory.dmp

        Filesize

        296KB

      • memory/3328-42-0x0000000009D10000-0x0000000009D36000-memory.dmp

        Filesize

        152KB

      • memory/3328-44-0x0000000009D80000-0x0000000009E3C000-memory.dmp

        Filesize

        752KB

      • memory/3328-45-0x000000000A4D0000-0x000000000A602000-memory.dmp

        Filesize

        1.2MB

      • memory/3328-54-0x000000000A960000-0x000000000AF0A000-memory.dmp

        Filesize

        5.7MB

      • memory/3328-53-0x000000000A930000-0x000000000A954000-memory.dmp

        Filesize

        144KB

      • memory/3328-52-0x000000000A900000-0x000000000A92A000-memory.dmp

        Filesize

        168KB

      • memory/3328-64-0x000000000B4F0000-0x000000000B4F8000-memory.dmp

        Filesize

        32KB

      • memory/3328-63-0x000000000B4E0000-0x000000000B4E8000-memory.dmp

        Filesize

        32KB

      • memory/3328-62-0x000000000B410000-0x000000000B4B8000-memory.dmp

        Filesize

        672KB

      • memory/3328-61-0x000000000B400000-0x000000000B410000-memory.dmp

        Filesize

        64KB

      • memory/3328-60-0x000000000B3E0000-0x000000000B406000-memory.dmp

        Filesize

        152KB

      • memory/3328-59-0x000000000B370000-0x000000000B3C8000-memory.dmp

        Filesize

        352KB

      • memory/3328-58-0x000000000B350000-0x000000000B36C000-memory.dmp

        Filesize

        112KB

      • memory/3328-57-0x000000000B2F0000-0x000000000B354000-memory.dmp

        Filesize

        400KB

      • memory/3328-56-0x000000000B1F0000-0x000000000B2DE000-memory.dmp

        Filesize

        952KB

      • memory/3328-55-0x000000000B050000-0x000000000B1DC000-memory.dmp

        Filesize

        1.5MB

      • memory/3328-51-0x000000000A8D0000-0x000000000A8F6000-memory.dmp

        Filesize

        152KB

      • memory/3328-50-0x0000000009EB0000-0x0000000009F26000-memory.dmp

        Filesize

        472KB

      • memory/3328-49-0x0000000009EA0000-0x0000000009EB2000-memory.dmp

        Filesize

        72KB

      • memory/3328-48-0x0000000009E90000-0x0000000009E98000-memory.dmp

        Filesize

        32KB

      • memory/3328-47-0x000000000A600000-0x000000000A8CC000-memory.dmp

        Filesize

        2.8MB

      • memory/3328-67-0x000000000B560000-0x000000000B5D2000-memory.dmp

        Filesize

        456KB

      • memory/3328-66-0x000000000B540000-0x000000000B556000-memory.dmp

        Filesize

        88KB

      • memory/3328-65-0x000000000B500000-0x000000000B532000-memory.dmp

        Filesize

        200KB

      • memory/3328-68-0x000000000D9D0000-0x000000000E176000-memory.dmp

        Filesize

        7.6MB