Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-06-2024 06:50

General

  • Target

    558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe

  • Size

    1.8MB

  • MD5

    6a8ce4b708ced711f2f85ad852993283

  • SHA1

    ddfa842d4b8cb41cb2c011e62d57e162423438df

  • SHA256

    558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a

  • SHA512

    e8a7cb324afaaf911ea27540f192f14d1ccbb5204aa6c49d9287053779ba5e0e0e9ca8dea35727505c8758c659a0b8f26bf7f5e4af968960164510d62e841298

  • SSDEEP

    24576:dUYOBWvGxUOZqObho4+RH5UvufEk7/lQrNkDKqpQhi86xFhrDIfaJStXxHjs0Q/T:WJWW5YmhoNEG/ZPKuQw86lXAtBHsKH8

Malware Config

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

Extracted

Family

stealc

Botnet

default

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

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 6 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 12 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 6 IoCs
  • Identifies Wine through registry keys 2 TTPs 6 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 8 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 16 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe
    "C:\Users\Admin\AppData\Local\Temp\558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
      2⤵
      • 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:5096
      • C:\Users\Admin\AppData\Local\Temp\1000006001\5e19164e3d.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\5e19164e3d.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3604
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GIDBKKKKKF.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4428
          • C:\Users\Admin\AppData\Local\Temp\GIDBKKKKKF.exe
            "C:\Users\Admin\AppData\Local\Temp\GIDBKKKKKF.exe"
            5⤵
            • 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:5020
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GIJEBKECBA.exe"
          4⤵
          • Checks computer location settings
          • Suspicious use of SetWindowsHookEx
          PID:2416
  • 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:4648
  • 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:4660
  • 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:4320

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

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\Temp\1000006001\5e19164e3d.exe
    Filesize

    2.4MB

    MD5

    603d0e88171391cca5153e6f600c18cd

    SHA1

    9b1ae04fb6519d79c193451aea922adcb51899b7

    SHA256

    248d0a48068c989868535721f8f65e5e86d269646f617b875e3c20c5e5303f09

    SHA512

    76008cc3eaead7b00dd78bab2d6629143aee495bee5df187fa93e2e89d7a504ffce0a07c7e3c4fddb57bc75a494152fd2552ee72dafebd0dd64493fb5dfcf157

  • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
    Filesize

    1.8MB

    MD5

    6a8ce4b708ced711f2f85ad852993283

    SHA1

    ddfa842d4b8cb41cb2c011e62d57e162423438df

    SHA256

    558083ef0f661064f6921c210847db8079628a6d29a2455fbf0339ca11b7c81a

    SHA512

    e8a7cb324afaaf911ea27540f192f14d1ccbb5204aa6c49d9287053779ba5e0e0e9ca8dea35727505c8758c659a0b8f26bf7f5e4af968960164510d62e841298

  • memory/3604-37-0x0000000000390000-0x0000000000F7A000-memory.dmp
    Filesize

    11.9MB

  • memory/3604-108-0x0000000000390000-0x0000000000F7A000-memory.dmp
    Filesize

    11.9MB

  • memory/3604-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/4320-137-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/4320-138-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/4648-120-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/4648-118-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/4660-129-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/4660-128-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/4976-3-0x0000000000DD0000-0x000000000127F000-memory.dmp
    Filesize

    4.7MB

  • memory/4976-2-0x0000000000DD1000-0x0000000000DFF000-memory.dmp
    Filesize

    184KB

  • memory/4976-1-0x0000000077AE4000-0x0000000077AE6000-memory.dmp
    Filesize

    8KB

  • memory/4976-17-0x0000000000DD0000-0x000000000127F000-memory.dmp
    Filesize

    4.7MB

  • memory/4976-4-0x0000000000DD0000-0x000000000127F000-memory.dmp
    Filesize

    4.7MB

  • memory/4976-0-0x0000000000DD0000-0x000000000127F000-memory.dmp
    Filesize

    4.7MB

  • memory/5020-112-0x00000000005F0000-0x0000000000A9F000-memory.dmp
    Filesize

    4.7MB

  • memory/5020-113-0x00000000005F0000-0x0000000000A9F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-114-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-116-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-115-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-104-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-121-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-122-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-123-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-124-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-125-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-126-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-21-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-20-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-130-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-131-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-132-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-133-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-134-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-135-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB

  • memory/5096-19-0x0000000000371000-0x000000000039F000-memory.dmp
    Filesize

    184KB

  • memory/5096-18-0x0000000000370000-0x000000000081F000-memory.dmp
    Filesize

    4.7MB