Analysis

  • max time kernel
    142s
  • max time network
    127s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-07-2024 04:16

General

  • Target

    dde34f614758e4d68e6732f7de0c9e210e6e8d56d65aae0f2cb1ee5d953d587c.exe

  • Size

    2.4MB

  • MD5

    acd738c0840861a12f13acff7c6fd7e5

  • SHA1

    113b1470af40d3bd3a2af70f57390ba5d8b1162a

  • SHA256

    dde34f614758e4d68e6732f7de0c9e210e6e8d56d65aae0f2cb1ee5d953d587c

  • SHA512

    28f42d37296b2c36307a186f8900f38b892604fa859f5b74bb4c0a1aa5c40545f7769d65f2731f14ed9aa434029367f7e65e2c1e6d0dec9d1836b38bbd8fa36f

  • SSDEEP

    49152:jghPiN+z8pTtWAF8aLy7JPGc+u0DyWpzGDAhZkWdP8I7u6:mPf4ppWAF8/tu5u8LzGshZt1u

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.

  • 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 7 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 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dde34f614758e4d68e6732f7de0c9e210e6e8d56d65aae0f2cb1ee5d953d587c.exe
    "C:\Users\Admin\AppData\Local\Temp\dde34f614758e4d68e6732f7de0c9e210e6e8d56d65aae0f2cb1ee5d953d587c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EHIIIJDAAA.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Users\Admin\AppData\Local\Temp\EHIIIJDAAA.exe
        "C:\Users\Admin\AppData\Local\Temp\EHIIIJDAAA.exe"
        3⤵
        • 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
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2464
        • 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
          • Executes dropped EXE
          • Identifies Wine through registry keys
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3292
          • C:\Users\Admin\AppData\Local\Temp\1000006001\3227a9e08e.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\3227a9e08e.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:480
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCAAEHJDBK.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:5032
  • 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:2476
  • 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:388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\Temp\1000006001\3227a9e08e.exe

    Filesize

    2.4MB

    MD5

    d961b76024edf043b709ae146a38a4c7

    SHA1

    e520a1872769d35e045fba592f7987eb97e6f175

    SHA256

    41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d

    SHA512

    3b489b80d2f66920872ceec58907ac05b3283bf95bc19a4268c8ff86b0a22ae085d602a8573c09c3cf19d640388d27b0198d72e804c8c727333352d42f17beec

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

    Filesize

    1.8MB

    MD5

    94eea1f2174f8c0cd1773671270d3b07

    SHA1

    e1a9ddaf8dddeea9783b4829f15d332193cea8e7

    SHA256

    ff8783a18bec49a2b3ad9a4be87f8e3ecc6ca269447fdc5b78e798e2a484ac7a

    SHA512

    67f850338caa433a5431899c6bb4f07a9b2b72d9a95d6dc2e20bb18b74268b930439608aade25162ec8139f7bb2b9ba49fc402d6103ed93837574f767a148708

  • memory/388-130-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/480-113-0x00000000002E0000-0x0000000000ED2000-memory.dmp

    Filesize

    11.9MB

  • memory/480-114-0x00000000002E0000-0x0000000000ED2000-memory.dmp

    Filesize

    11.9MB

  • memory/572-79-0x0000000000C70000-0x0000000001860000-memory.dmp

    Filesize

    11.9MB

  • memory/572-78-0x00007FFFD5760000-0x00007FFFD5969000-memory.dmp

    Filesize

    2.0MB

  • memory/572-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/572-1-0x00007FFFD5760000-0x00007FFFD5969000-memory.dmp

    Filesize

    2.0MB

  • memory/572-0-0x0000000000C70000-0x0000000001860000-memory.dmp

    Filesize

    11.9MB

  • memory/2464-83-0x0000000000800000-0x0000000000CB7000-memory.dmp

    Filesize

    4.7MB

  • memory/2464-96-0x0000000000800000-0x0000000000CB7000-memory.dmp

    Filesize

    4.7MB

  • memory/2476-121-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/2476-122-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-115-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-118-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-119-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-117-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-116-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-123-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-124-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-125-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-126-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-127-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-128-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-97-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-131-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB

  • memory/3292-132-0x0000000000100000-0x00000000005B7000-memory.dmp

    Filesize

    4.7MB