Analysis

  • max time kernel
    142s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 07:00

General

  • Target

    05e5a4c4fafc12e6bce1f147bbefe56cd7ce788c26644de52043734c97a4c720.exe

  • Size

    1.9MB

  • MD5

    03db2656817c0844af953ddda6b28f7f

  • SHA1

    57b8d3826630c105612b1ed816a7398b6958a264

  • SHA256

    05e5a4c4fafc12e6bce1f147bbefe56cd7ce788c26644de52043734c97a4c720

  • SHA512

    5414c52bab54183427ac75b705d619d610ad9de6edeb88dad079f0138fb1998e37c9fb2da482106ad55a77cdfeccb27cebbf18ac2b1e70e38334e61ba99d7830

  • SSDEEP

    49152:TPJGGSby2KfvfKd78wwu5IhmnueqVfI+prg:TPYG7cTdNHug

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

jony

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Signatures

  • Amadey

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

  • Stealc

    Stealc is an infostealer written in C++.

  • 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 4 IoCs

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

  • Executes dropped EXE 6 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.

  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 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 8 IoCs
  • Drops file in Windows directory 1 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: EnumeratesProcesses 28 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05e5a4c4fafc12e6bce1f147bbefe56cd7ce788c26644de52043734c97a4c720.exe
    "C:\Users\Admin\AppData\Local\Temp\05e5a4c4fafc12e6bce1f147bbefe56cd7ce788c26644de52043734c97a4c720.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:800
      • C:\Users\Admin\AppData\Local\Temp\1000006001\e40ae0aca6.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\e40ae0aca6.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BFIDGDAKFH.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3592
          • C:\Users\Admin\AppData\Local\Temp\BFIDGDAKFH.exe
            "C:\Users\Admin\AppData\Local\Temp\BFIDGDAKFH.exe"
            5⤵
            • 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:1572
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DBAEGCGCGI.exe"
          4⤵
          • Checks computer location settings
          • Suspicious use of SetWindowsHookEx
          PID:1692
  • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
    C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4004
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4232,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
    1⤵
      PID:5024
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=3532,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=3308 /prefetch:3
      1⤵
        PID:3972
      • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
        C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1856
      • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
        C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1084

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Virtualization/Sandbox Evasion

      2
      T1497

      Credential Access

      Unsecured Credentials

      3
      T1552

      Credentials In Files

      3
      T1552.001

      Discovery

      Query Registry

      6
      T1012

      Virtualization/Sandbox Evasion

      2
      T1497

      System Information Discovery

      4
      T1082

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\mozglue.dll
        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll
        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
        Filesize

        2B

        MD5

        d751713988987e9331980363e24189ce

        SHA1

        97d170e1550eee4afc0af065b78cda302a97674c

        SHA256

        4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

        SHA512

        b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
        Filesize

        40B

        MD5

        20d4b8fa017a12a108c87f540836e250

        SHA1

        1ac617fac131262b6d3ce1f52f5907e31d5f6f00

        SHA256

        6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

        SHA512

        507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

      • C:\Users\Admin\AppData\Local\Temp\1000006001\e40ae0aca6.exe
        Filesize

        2.3MB

        MD5

        ebe33b40ce854edd8e39259a1b980a65

        SHA1

        db07d27d6ee753c4b0f60ee50c0e052a12095ca3

        SHA256

        99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31

        SHA512

        62948eb0ae2c92118d6f121fee737926e31a2301ad5cc7a2a1442975113b5edae2310f98b08937cc9d9f790e9ef7af162bacdcb65996d1b090c99bbb3a18bb00

      • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
        Filesize

        1.9MB

        MD5

        03db2656817c0844af953ddda6b28f7f

        SHA1

        57b8d3826630c105612b1ed816a7398b6958a264

        SHA256

        05e5a4c4fafc12e6bce1f147bbefe56cd7ce788c26644de52043734c97a4c720

        SHA512

        5414c52bab54183427ac75b705d619d610ad9de6edeb88dad079f0138fb1998e37c9fb2da482106ad55a77cdfeccb27cebbf18ac2b1e70e38334e61ba99d7830

      • memory/800-115-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-145-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-19-0x0000000000B51000-0x0000000000B7F000-memory.dmp
        Filesize

        184KB

      • memory/800-20-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-21-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-149-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-148-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-137-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-16-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-131-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-144-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-143-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-142-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-141-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-140-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-116-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-135-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-134-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-133-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/800-132-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/1084-147-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/1572-125-0x0000000000F50000-0x0000000001427000-memory.dmp
        Filesize

        4.8MB

      • memory/1572-123-0x0000000000F50000-0x0000000001427000-memory.dmp
        Filesize

        4.8MB

      • memory/1856-138-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/1856-139-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/3040-1-0x0000000077504000-0x0000000077506000-memory.dmp
        Filesize

        8KB

      • memory/3040-18-0x00000000008F0000-0x0000000000DC7000-memory.dmp
        Filesize

        4.8MB

      • memory/3040-0-0x00000000008F0000-0x0000000000DC7000-memory.dmp
        Filesize

        4.8MB

      • memory/3040-2-0x00000000008F1000-0x000000000091F000-memory.dmp
        Filesize

        184KB

      • memory/3040-3-0x00000000008F0000-0x0000000000DC7000-memory.dmp
        Filesize

        4.8MB

      • memory/3040-5-0x00000000008F0000-0x0000000000DC7000-memory.dmp
        Filesize

        4.8MB

      • memory/4004-26-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/4004-24-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/4004-23-0x0000000000B50000-0x0000000001027000-memory.dmp
        Filesize

        4.8MB

      • memory/4952-119-0x0000000000C50000-0x0000000001823000-memory.dmp
        Filesize

        11.8MB

      • memory/4952-43-0x0000000061E00000-0x0000000061EF3000-memory.dmp
        Filesize

        972KB

      • memory/4952-42-0x0000000000C50000-0x0000000001823000-memory.dmp
        Filesize

        11.8MB