Analysis

  • max time kernel
    144s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 18:26

General

  • Target

    c07406805d442d5d9cdf4b80f9568d8b0e16652292e3c7a0eb0487dc0ede8721.exe

  • Size

    1.8MB

  • MD5

    5e33887744d5344a28c8d5f16702af26

  • SHA1

    75a1791a1819ebaa602202a82e8e969081cee2e4

  • SHA256

    c07406805d442d5d9cdf4b80f9568d8b0e16652292e3c7a0eb0487dc0ede8721

  • SHA512

    de95b45ab2cdf2090f18065bfadb72b9d581eb2c59045b02127329d31364ca8de63371f34dc0c5f6dab00f36c2ebb213de5225a3d63e4535bc9b397d522554ab

  • SSDEEP

    49152:m+8+ZeV9spcBL4Wimxo5R1O5gUUqGt+vMiMkcRfN:1ZZeXspcjLQR45bWMoj

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 3 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 9 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 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c07406805d442d5d9cdf4b80f9568d8b0e16652292e3c7a0eb0487dc0ede8721.exe
    "C:\Users\Admin\AppData\Local\Temp\c07406805d442d5d9cdf4b80f9568d8b0e16652292e3c7a0eb0487dc0ede8721.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:1652
    • 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:4212
      • C:\Users\Admin\AppData\Local\Temp\1000006001\e7638255d7.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\e7638255d7.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:2156
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DHCBAEHJJJ.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4836
          • C:\Users\Admin\AppData\Local\Temp\DHCBAEHJJJ.exe
            "C:\Users\Admin\AppData\Local\Temp\DHCBAEHJJJ.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:5048
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JDHIEBFHCA.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2636
          • C:\Users\Admin\AppData\Local\Temp\JDHIEBFHCA.exe
            "C:\Users\Admin\AppData\Local\Temp\JDHIEBFHCA.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:1216
  • 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=1288,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=3940 /prefetch:8
    1⤵
      PID:4204
    • 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=4080,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=2536 /prefetch:3
      1⤵
        PID:3656
      • 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:4272
      • 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:4852

      Network

      MITRE ATT&CK Enterprise v15

      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\e7638255d7.exe

        Filesize

        2.4MB

        MD5

        05dda1c444fe4feda4771f75598d55d7

        SHA1

        3369deefd76ea12c621aad635547be857720d7d8

        SHA256

        9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48

        SHA512

        01c7897fa5995332c466035f62e45faf12ff0cead90655df53c0b493833656c177b53594a0d8300c792fc43d2f6daa577e3f949f6e9118c950472d1a85ac6160

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

        Filesize

        1.8MB

        MD5

        5e33887744d5344a28c8d5f16702af26

        SHA1

        75a1791a1819ebaa602202a82e8e969081cee2e4

        SHA256

        c07406805d442d5d9cdf4b80f9568d8b0e16652292e3c7a0eb0487dc0ede8721

        SHA512

        de95b45ab2cdf2090f18065bfadb72b9d581eb2c59045b02127329d31364ca8de63371f34dc0c5f6dab00f36c2ebb213de5225a3d63e4535bc9b397d522554ab

      • memory/1216-128-0x00000000009E0000-0x0000000000E86000-memory.dmp

        Filesize

        4.6MB

      • memory/1216-130-0x00000000009E0000-0x0000000000E86000-memory.dmp

        Filesize

        4.6MB

      • memory/1652-18-0x00000000008A0000-0x0000000000D46000-memory.dmp

        Filesize

        4.6MB

      • memory/1652-5-0x00000000008A0000-0x0000000000D46000-memory.dmp

        Filesize

        4.6MB

      • memory/1652-0-0x00000000008A0000-0x0000000000D46000-memory.dmp

        Filesize

        4.6MB

      • memory/1652-3-0x00000000008A0000-0x0000000000D46000-memory.dmp

        Filesize

        4.6MB

      • memory/1652-2-0x00000000008A1000-0x00000000008CF000-memory.dmp

        Filesize

        184KB

      • memory/1652-1-0x0000000077094000-0x0000000077096000-memory.dmp

        Filesize

        8KB

      • memory/2156-121-0x0000000000520000-0x000000000111B000-memory.dmp

        Filesize

        12.0MB

      • memory/2156-37-0x0000000000520000-0x000000000111B000-memory.dmp

        Filesize

        12.0MB

      • memory/2156-41-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2156-39-0x0000000000520000-0x000000000111B000-memory.dmp

        Filesize

        12.0MB

      • memory/4212-145-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-143-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-38-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-89-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-21-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-153-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-20-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-152-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-19-0x0000000000241000-0x000000000026F000-memory.dmp

        Filesize

        184KB

      • memory/4212-16-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-136-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-149-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-151-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-140-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-141-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-142-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-150-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-144-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-40-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4212-90-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4272-139-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4272-138-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4852-147-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/4852-148-0x0000000000240000-0x00000000006E6000-memory.dmp

        Filesize

        4.6MB

      • memory/5048-129-0x0000000000030000-0x00000000004D6000-memory.dmp

        Filesize

        4.6MB

      • memory/5048-124-0x0000000000030000-0x00000000004D6000-memory.dmp

        Filesize

        4.6MB