Analysis

  • max time kernel
    144s
  • max time network
    152s
  • 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 15:01

General

  • Target

    9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48.exe

  • Size

    2.4MB

  • MD5

    05dda1c444fe4feda4771f75598d55d7

  • SHA1

    3369deefd76ea12c621aad635547be857720d7d8

  • SHA256

    9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48

  • SHA512

    01c7897fa5995332c466035f62e45faf12ff0cead90655df53c0b493833656c177b53594a0d8300c792fc43d2f6daa577e3f949f6e9118c950472d1a85ac6160

  • SSDEEP

    49152:rLZkC1yr3UfAdY31fHI7/IBIf0qHKSrynh7ncz9g+rVbKE6psgHC3:HZkC1OUS2ZowBWpBrIcCpsoC

Malware Config

Extracted

Family

stealc

Botnet

jony

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

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

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 4 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 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 5 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 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 10 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 20 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\9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48.exe
    "C:\Users\Admin\AppData\Local\Temp\9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KJJJKFIIIJ.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2296
      • C:\Users\Admin\AppData\Local\Temp\KJJJKFIIIJ.exe
        "C:\Users\Admin\AppData\Local\Temp\KJJJKFIIIJ.exe"
        3⤵
        • 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
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4440
        • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
          "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
          4⤵
          • 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:2272
          • C:\Users\Admin\AppData\Local\Temp\1000006001\76b9d5e079.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\76b9d5e079.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:1976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AKEGDAKEHJ.exe"
      2⤵
      • Checks computer location settings
      PID:4144
  • 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=4208,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
    1⤵
      PID:3876
    • 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=3604,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=3272 /prefetch:3
      1⤵
        PID:1688
      • 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:4728
      • 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:1440

      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\76b9d5e079.exe

        Filesize

        2.4MB

        MD5

        d7fd8f9fd59b2a5ad6a6c390ae69a197

        SHA1

        9e4302b57b3cfcde37727cd0620540e9b9681382

        SHA256

        1721005326a495d40f67f96882334ac18f10008287986e5511ba9dd681f189b0

        SHA512

        0582114f94e55ac3c2664b88791093085284efe70c472b6b6a02064d1f0ac7ff2198c19b7042a692c32193b363aacb9058b0a44df46f07e517b1c4cbf2f14ac1

      • C:\Users\Admin\AppData\Local\Temp\KJJJKFIIIJ.exe

        Filesize

        1.8MB

        MD5

        110b475bb84ae7623e7cf0e989f009ed

        SHA1

        a5bfc296ec2745aa94928b599e01963abc7cf18b

        SHA256

        d658a8172fc6147955120da4f871b8fa9c34935769a884b3398551a5d0869ebc

        SHA512

        46a5ff39e6f60ac3fa5b3e60088a50e551068f4dfb62f259ace77d11953d524948f3001f74de72e98c0a9af4808a829f29f56147a7994a60f3de2220cea64fc4

      • memory/1440-151-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/1440-152-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/1812-0-0x0000000000270000-0x0000000000E6B000-memory.dmp

        Filesize

        12.0MB

      • memory/1812-25-0x0000000000270000-0x0000000000E6B000-memory.dmp

        Filesize

        12.0MB

      • memory/1812-41-0x000000007F9F0000-0x000000007FDC1000-memory.dmp

        Filesize

        3.8MB

      • memory/1812-3-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1812-2-0x0000000000270000-0x0000000000E6B000-memory.dmp

        Filesize

        12.0MB

      • memory/1812-86-0x0000000000270000-0x0000000000E6B000-memory.dmp

        Filesize

        12.0MB

      • memory/1812-26-0x0000000000270000-0x0000000000E6B000-memory.dmp

        Filesize

        12.0MB

      • memory/1812-1-0x000000007F9F0000-0x000000007FDC1000-memory.dmp

        Filesize

        3.8MB

      • memory/1976-125-0x0000000000760000-0x000000000134D000-memory.dmp

        Filesize

        11.9MB

      • memory/1976-126-0x0000000000760000-0x000000000134D000-memory.dmp

        Filesize

        11.9MB

      • memory/2272-134-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-104-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-128-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-130-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-132-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-147-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-154-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-149-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-139-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-141-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-143-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/2272-145-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/4144-127-0x0000000074060000-0x000000007406F000-memory.dmp

        Filesize

        60KB

      • memory/4440-103-0x0000000000C40000-0x00000000010FA000-memory.dmp

        Filesize

        4.7MB

      • memory/4440-90-0x0000000000C40000-0x00000000010FA000-memory.dmp

        Filesize

        4.7MB

      • memory/4728-137-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB

      • memory/4728-136-0x00000000003A0000-0x000000000085A000-memory.dmp

        Filesize

        4.7MB