Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 02:37

General

  • Target

    65bbaec08da3f5f231efb44ddb1da44d6d4adfd9fc0fffe385f3b9d700681a63.exe

  • Size

    2.8MB

  • MD5

    d9f807e1722578cedc93b978f21093cb

  • SHA1

    7c78ede2ffe2681575f73359d6b2dbc409106e74

  • SHA256

    65bbaec08da3f5f231efb44ddb1da44d6d4adfd9fc0fffe385f3b9d700681a63

  • SHA512

    9a4cefebf1ce31919abdbfe4d904cec897fc2c31481246d04c1a32369a87c8dec8d306a13932c95e651059f22556323a4e8b97e2ff05896d3a4f58b96cc11b94

  • SSDEEP

    49152:iB49+IycD31w2DM1B4+6Uxa7ZAcomjZuC2nBNgyHtgrRrCAx:iB4gIycjbDM1B5ZOAcdNx2B+yHtgdl

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Amadey family
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 6 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 12 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 8 IoCs
  • Identifies Wine through registry keys 2 TTPs 6 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3016
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\System32\svchost.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:780
    • C:\Users\Admin\AppData\Local\Temp\65bbaec08da3f5f231efb44ddb1da44d6d4adfd9fc0fffe385f3b9d700681a63.exe
      "C:\Users\Admin\AppData\Local\Temp\65bbaec08da3f5f231efb44ddb1da44d6d4adfd9fc0fffe385f3b9d700681a63.exe"
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
        2⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Checks computer location settings
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4116
        • C:\Users\Admin\AppData\Local\Temp\1016805001\ae928541c4.exe
          "C:\Users\Admin\AppData\Local\Temp\1016805001\ae928541c4.exe"
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Identifies Wine through registry keys
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4492
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 544
            4⤵
            • Program crash
            PID:4328
        • C:\Users\Admin\AppData\Local\Temp\1016806001\109417be7f.exe
          "C:\Users\Admin\AppData\Local\Temp\1016806001\109417be7f.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4880
          • C:\Users\Admin\AppData\Local\Temp\1016806001\109417be7f.exe
            "C:\Users\Admin\AppData\Local\Temp\1016806001\109417be7f.exe"
            4⤵
            • Executes dropped EXE
            PID:4256
          • C:\Users\Admin\AppData\Local\Temp\1016806001\109417be7f.exe
            "C:\Users\Admin\AppData\Local\Temp\1016806001\109417be7f.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:2976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4492 -ip 4492
      1⤵
        PID:3436
      • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        1⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        PID:4320
      • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        1⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        PID:3440
      • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        1⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        PID:4732

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\1016805001\ae928541c4.exe

        Filesize

        1.9MB

        MD5

        69f8c74c8df30f4cb24914be23ea0f65

        SHA1

        d3d87f52035a9363fab66cccfc349d31504001d3

        SHA256

        9f62dad7fcef349974cac585e98b4bf2719eaf86f077e42917613aa3763a1c3e

        SHA512

        c5bc99ddebaa02ccffcdc5a62a36e7688cb9994dcdec9fe218cfb596ada671717115403bb5f32de57aba04def8e2f8db30c95079baeb8311626ac29b16db785e

      • C:\Users\Admin\AppData\Local\Temp\1016806001\109417be7f.exe

        Filesize

        747KB

        MD5

        8a9cb17c0224a01bd34b46495983c50a

        SHA1

        00296ea6a56f6e10a0f1450a20c5fb329b8856c1

        SHA256

        3d51b9523b387859bc0d94246dfb216cfa82f9d650c8d11be11ed67f70e7440b

        SHA512

        1472e4670f469c43227b965984ecc223a526f6284363d8e08a3b5b55e602ccce62df4bc49939ee5bd7df7b0c26e20da896b084eccab767f8728e6bf14d71c840

      • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

        Filesize

        2.8MB

        MD5

        d9f807e1722578cedc93b978f21093cb

        SHA1

        7c78ede2ffe2681575f73359d6b2dbc409106e74

        SHA256

        65bbaec08da3f5f231efb44ddb1da44d6d4adfd9fc0fffe385f3b9d700681a63

        SHA512

        9a4cefebf1ce31919abdbfe4d904cec897fc2c31481246d04c1a32369a87c8dec8d306a13932c95e651059f22556323a4e8b97e2ff05896d3a4f58b96cc11b94

      • memory/780-56-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

        Filesize

        2.0MB

      • memory/780-58-0x0000000076B20000-0x0000000076D35000-memory.dmp

        Filesize

        2.1MB

      • memory/780-55-0x00000000014D0000-0x00000000018D0000-memory.dmp

        Filesize

        4.0MB

      • memory/780-52-0x0000000000D40000-0x0000000000D4A000-memory.dmp

        Filesize

        40KB

      • memory/2976-78-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

      • memory/2976-76-0x0000000000400000-0x0000000000455000-memory.dmp

        Filesize

        340KB

      • memory/3440-90-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-32-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-87-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-96-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-95-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-94-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-93-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-44-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-92-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-91-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-88-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-46-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-20-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-21-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-86-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-19-0x00000000005F1000-0x000000000061F000-memory.dmp

        Filesize

        184KB

      • memory/4116-16-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-85-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-84-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-74-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-83-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4116-79-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4320-82-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4320-81-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4492-43-0x0000000000260000-0x0000000000739000-memory.dmp

        Filesize

        4.8MB

      • memory/4492-47-0x0000000004FF0000-0x00000000053F0000-memory.dmp

        Filesize

        4.0MB

      • memory/4492-41-0x0000000000260000-0x0000000000739000-memory.dmp

        Filesize

        4.8MB

      • memory/4492-45-0x0000000004FF0000-0x00000000053F0000-memory.dmp

        Filesize

        4.0MB

      • memory/4492-51-0x0000000076B20000-0x0000000076D35000-memory.dmp

        Filesize

        2.1MB

      • memory/4492-49-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

        Filesize

        2.0MB

      • memory/4492-42-0x0000000000260000-0x0000000000739000-memory.dmp

        Filesize

        4.8MB

      • memory/4492-48-0x0000000000260000-0x0000000000739000-memory.dmp

        Filesize

        4.8MB

      • memory/4732-98-0x00000000005F0000-0x0000000000902000-memory.dmp

        Filesize

        3.1MB

      • memory/4936-1-0x0000000077C24000-0x0000000077C26000-memory.dmp

        Filesize

        8KB

      • memory/4936-2-0x0000000000261000-0x000000000028F000-memory.dmp

        Filesize

        184KB

      • memory/4936-3-0x0000000000260000-0x0000000000572000-memory.dmp

        Filesize

        3.1MB

      • memory/4936-18-0x0000000000260000-0x0000000000572000-memory.dmp

        Filesize

        3.1MB

      • memory/4936-0-0x0000000000260000-0x0000000000572000-memory.dmp

        Filesize

        3.1MB

      • memory/4936-4-0x0000000000260000-0x0000000000572000-memory.dmp

        Filesize

        3.1MB