Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    10-07-2024 01:48

General

  • Target

    77e9b3740b0e2fd375cd1981ce2ad2ece335200794fa7eb92d4befee2094b9ce.exe

  • Size

    2.4MB

  • MD5

    3cf711041254d965f4d100dfd2af83b5

  • SHA1

    567f213eabaf61bf82e941631dbecd518b61d089

  • SHA256

    77e9b3740b0e2fd375cd1981ce2ad2ece335200794fa7eb92d4befee2094b9ce

  • SHA512

    629f3136a6ebacf69800ed96000709c28ac096937c75cacb262394922779ab6cc613dd496e263ac02b41b998daa570771b68fd6a79b5d73fb3c4a45ef0bdb718

  • SSDEEP

    49152:QFBfSopK6xreRIkEGiQmckvN+tAi34M6znoX98vzzxDiDUGLz+y7LF1OjPur8:4fPI6rCRpbi+tAi7svzzxJ8LF1UG8

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 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 2 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 4 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 3 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 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77e9b3740b0e2fd375cd1981ce2ad2ece335200794fa7eb92d4befee2094b9ce.exe
    "C:\Users\Admin\AppData\Local\Temp\77e9b3740b0e2fd375cd1981ce2ad2ece335200794fa7eb92d4befee2094b9ce.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:2624
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JJJKEHCAKF.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2876
      • C:\Users\Admin\AppData\Local\Temp\JJJKEHCAKF.exe
        "C:\Users\Admin\AppData\Local\Temp\JJJKEHCAKF.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:1484
        • 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:348
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IIDAAFBGDB.exe"
      2⤵
        PID:2908

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.9MB

      MD5

      a7ae46b0e7a0e279a3ac3151958fef99

      SHA1

      7d3d8c2c1dea8b585f58bab81c9fa86afc7576fe

      SHA256

      f9e7ee889ee40ba497d750182ff74e3a6ad4d9a54710785548d1f47f24239a7d

      SHA512

      48e59e2c32fd089a4cfcbbea546c936a004a1329bf908c4f8c2f22438d5c787416b3bd497072c4d450decabdd329b3c5ceb60f8fbd1f1531f4bc82be33e85107

    • \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

    • memory/348-127-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-128-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-133-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-132-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-131-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-130-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-129-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-115-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-120-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-121-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-122-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-123-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-124-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-125-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/348-126-0x00000000012A0000-0x0000000001777000-memory.dmp

      Filesize

      4.8MB

    • memory/1484-114-0x00000000010C0000-0x0000000001597000-memory.dmp

      Filesize

      4.8MB

    • memory/1484-85-0x00000000010C0000-0x0000000001597000-memory.dmp

      Filesize

      4.8MB

    • memory/2624-0-0x0000000000980000-0x000000000156B000-memory.dmp

      Filesize

      11.9MB

    • memory/2624-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2624-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/2624-64-0x0000000000980000-0x000000000156B000-memory.dmp

      Filesize

      11.9MB

    • memory/2876-84-0x0000000001FE0000-0x00000000024B7000-memory.dmp

      Filesize

      4.8MB