Analysis

  • max time kernel
    147s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 12:30

General

  • Target

    file.exe

  • Size

    2.4MB

  • MD5

    d7fd8f9fd59b2a5ad6a6c390ae69a197

  • SHA1

    9e4302b57b3cfcde37727cd0620540e9b9681382

  • SHA256

    1721005326a495d40f67f96882334ac18f10008287986e5511ba9dd681f189b0

  • SHA512

    0582114f94e55ac3c2664b88791093085284efe70c472b6b6a02064d1f0ac7ff2198c19b7042a692c32193b363aacb9058b0a44df46f07e517b1c4cbf2f14ac1

  • SSDEEP

    49152:t7ofY6S/hsTW3Ti1ZKGWBHriecH4POavET7qRyPMIewnNzd0IyywSCAyD+YfPw:VofPS/yNZKGWBDcHgcJPMQNzd0f2CAy

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 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 6 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 11 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 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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:3000
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AEBKKECBGI.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Users\Admin\AppData\Local\Temp\AEBKKECBGI.exe
        "C:\Users\Admin\AppData\Local\Temp\AEBKKECBGI.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1856
        • 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
          • Loads dropped DLL
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2560
          • C:\Users\Admin\AppData\Local\Temp\1000006001\0024653993.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\0024653993.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:1296
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AEHIDAKECF.exe"
      2⤵
        PID:1852

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1000006001\0024653993.exe

      Filesize

      2.4MB

      MD5

      d7fd8f9fd59b2a5ad6a6c390ae69a197

      SHA1

      9e4302b57b3cfcde37727cd0620540e9b9681382

      SHA256

      1721005326a495d40f67f96882334ac18f10008287986e5511ba9dd681f189b0

      SHA512

      0582114f94e55ac3c2664b88791093085284efe70c472b6b6a02064d1f0ac7ff2198c19b7042a692c32193b363aacb9058b0a44df46f07e517b1c4cbf2f14ac1

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • \Users\Admin\AppData\Local\Temp\AEBKKECBGI.exe

      Filesize

      1.8MB

      MD5

      cd9407ed0f3449be68d81f2d84b76d23

      SHA1

      45aa1e2ccc28850da9aab93b7f6fcf28fe152421

      SHA256

      fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7

      SHA512

      10fbc40abf6c988426305ea672b8af86acb169b817af9e9b2bcef13dc00ee5459f8c7cac41e83c74e2572a88a2a4cd200895398f19adce7ea2580470e4fe1741

    • memory/1296-154-0x0000000000C60000-0x000000000184D000-memory.dmp

      Filesize

      11.9MB

    • memory/1296-146-0x0000000000C60000-0x000000000184D000-memory.dmp

      Filesize

      11.9MB

    • memory/1296-156-0x0000000000C60000-0x000000000184D000-memory.dmp

      Filesize

      11.9MB

    • memory/1296-153-0x0000000000C60000-0x000000000184D000-memory.dmp

      Filesize

      11.9MB

    • memory/1296-149-0x0000000000C60000-0x000000000184D000-memory.dmp

      Filesize

      11.9MB

    • memory/1856-86-0x00000000012C0000-0x000000000175C000-memory.dmp

      Filesize

      4.6MB

    • memory/1856-120-0x00000000071C0000-0x000000000765C000-memory.dmp

      Filesize

      4.6MB

    • memory/1856-121-0x00000000012C0000-0x000000000175C000-memory.dmp

      Filesize

      4.6MB

    • memory/2448-73-0x00000000021F0000-0x000000000268C000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-158-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-159-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-165-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-123-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-164-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-144-0x0000000006960000-0x000000000754D000-memory.dmp

      Filesize

      11.9MB

    • memory/2560-163-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-147-0x0000000006960000-0x000000000754D000-memory.dmp

      Filesize

      11.9MB

    • memory/2560-148-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-162-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-150-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-151-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-152-0x0000000006960000-0x000000000754D000-memory.dmp

      Filesize

      11.9MB

    • memory/2560-161-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-160-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/2560-155-0x0000000006960000-0x000000000754D000-memory.dmp

      Filesize

      11.9MB

    • memory/2560-157-0x0000000001040000-0x00000000014DC000-memory.dmp

      Filesize

      4.6MB

    • memory/3000-7-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3000-70-0x0000000000EC0000-0x0000000001AAD000-memory.dmp

      Filesize

      11.9MB

    • memory/3000-5-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/3000-0-0x0000000000EC0000-0x0000000001AAD000-memory.dmp

      Filesize

      11.9MB

    • memory/3000-33-0x0000000000EC0000-0x0000000001AAD000-memory.dmp

      Filesize

      11.9MB

    • memory/3000-4-0x0000000000EC0000-0x0000000001AAD000-memory.dmp

      Filesize

      11.9MB

    • memory/3000-3-0x0000000000EC0000-0x0000000001AAD000-memory.dmp

      Filesize

      11.9MB

    • memory/3000-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/3000-2-0x0000000000EC0000-0x0000000001AAD000-memory.dmp

      Filesize

      11.9MB