Analysis

  • max time kernel
    142s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 02:23

General

  • Target

    d87490fe72c11df8476414b03d613fff99a59894193c25121bde71c745b91c5d.exe

  • Size

    2.4MB

  • MD5

    1552573045f153aa7269a30d3a1dd151

  • SHA1

    d07f6a1ffcc0bd98a80ba1d5574425a2bd1d3d23

  • SHA256

    d87490fe72c11df8476414b03d613fff99a59894193c25121bde71c745b91c5d

  • SHA512

    8301e552f8d1019bfc9e85d6249e329b767b95b7092d537129665d96ba62427b7a806c97b97ce0f314cd34a7675852b3f553519b03304bd12831eafeac446460

  • SSDEEP

    49152:fUJ0tlSm5vh9dwM4tYensXVh9uZl3Rh7LRCFIg6EWkJeectmfdF:M2VR4t/sFbgdRh7CWeeeww

Malware Config

Extracted

Family

stealc

Botnet

hate

C2

http://85.28.47.30

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 5 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 10 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 5 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 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 14 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d87490fe72c11df8476414b03d613fff99a59894193c25121bde71c745b91c5d.exe
    "C:\Users\Admin\AppData\Local\Temp\d87490fe72c11df8476414b03d613fff99a59894193c25121bde71c745b91c5d.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:400
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCFBGIDAEH.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Users\Admin\AppData\Local\Temp\FCFBGIDAEH.exe
        "C:\Users\Admin\AppData\Local\Temp\FCFBGIDAEH.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 WriteProcessMemory
        PID:4864
        • 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
          PID:3068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GDBAKEGIDB.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      PID:3536
  • 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:3808
  • 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:4996
  • 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:4396

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\FCFBGIDAEH.exe

    Filesize

    1.9MB

    MD5

    f904f4e23035a9535b504569ffff9aba

    SHA1

    694fdfda0919c7d169e1cbde465d8707e80d9a37

    SHA256

    eeb995d1617196c79fe986db9a93d7e548ac86228fc3d8e0988355ddb7f10d93

    SHA512

    994a9b3630b6afba69ab9e691bdd27ca05defd0de328dbb82256bd1613554e8270948a90db4aa54427364b9bb1210f4bd0fc8ad07d75e150506a560b5c5508ce

  • memory/400-0-0x0000000000F50000-0x0000000001B3D000-memory.dmp

    Filesize

    11.9MB

  • memory/400-1-0x000000007EF10000-0x000000007F2E1000-memory.dmp

    Filesize

    3.8MB

  • memory/400-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/400-77-0x0000000000F50000-0x0000000001B3D000-memory.dmp

    Filesize

    11.9MB

  • memory/400-78-0x000000007EF10000-0x000000007F2E1000-memory.dmp

    Filesize

    3.8MB

  • memory/3068-112-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-115-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-121-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-117-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-99-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-116-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-114-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-113-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-103-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-104-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-105-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-106-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-107-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3068-108-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3808-102-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/3808-101-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/4396-119-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/4396-120-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/4864-82-0x0000000000680000-0x0000000000B60000-memory.dmp

    Filesize

    4.9MB

  • memory/4864-83-0x0000000077DB4000-0x0000000077DB6000-memory.dmp

    Filesize

    8KB

  • memory/4864-98-0x0000000000680000-0x0000000000B60000-memory.dmp

    Filesize

    4.9MB

  • memory/4864-84-0x0000000000681000-0x00000000006AF000-memory.dmp

    Filesize

    184KB

  • memory/4864-85-0x0000000000680000-0x0000000000B60000-memory.dmp

    Filesize

    4.9MB

  • memory/4996-110-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB

  • memory/4996-111-0x0000000000D50000-0x0000000001230000-memory.dmp

    Filesize

    4.9MB