Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23/02/2025, 23:10

General

  • Target

    2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe

  • Size

    3.8MB

  • MD5

    313ffe2d1d737e2f1deec4ade563f405

  • SHA1

    fd4551f22f9592bf38bfaeeeb2bdc5b00afa82ff

  • SHA256

    828f73827b587c784fad02d7bc4fdd7466845e028eba5c1fcb17d46a44a8acd7

  • SHA512

    30a7da20ac18cae07d95e0e0742db40eb70bba85de13e5515f0dc496d1c507e0d875502fa0edd31f5bcccd2a085d70f9aba43ac102c236deee1bfbd81fd3a5d9

  • SSDEEP

    98304:p3h6d68gwIteZNiiPwVpaOU/jIEeQfoR/IuOFVjUu5c:pR668aaELeFIF0wuS

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

remcos

Botnet

ABILLION+NAIRA

C2

nzobaku.ddns.net:8081

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-S0L1LJ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2120
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2250.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2776
    • C:\Users\Admin\AppData\Local\Temp\2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Users\Admin\AppData\Local\Temp\._cache_2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1776
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2024
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2664
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp74B3.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2400
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:836
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            PID:2912
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    3.8MB

    MD5

    313ffe2d1d737e2f1deec4ade563f405

    SHA1

    fd4551f22f9592bf38bfaeeeb2bdc5b00afa82ff

    SHA256

    828f73827b587c784fad02d7bc4fdd7466845e028eba5c1fcb17d46a44a8acd7

    SHA512

    30a7da20ac18cae07d95e0e0742db40eb70bba85de13e5515f0dc496d1c507e0d875502fa0edd31f5bcccd2a085d70f9aba43ac102c236deee1bfbd81fd3a5d9

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    ae7821af4cb5c1aa57f68b6b97caeed1

    SHA1

    5bbe54f35ea81d5b4bab06be1d398af0b3bcf4a2

    SHA256

    c206e7837b52385feca23bc2db7f3b8f6d6a362683d240caddd7bf60be2d1091

    SHA512

    ca2c33174fc38febfd4c6755e7f5fec927b4897c237cdf8478568800ded2b073824b193005f5fa71b272b39f157fd097530bb04d190db6977ac3902f7411eb62

  • C:\Users\Admin\AppData\Local\Temp\qGghbrdj.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\tmp2250.tmp

    Filesize

    1KB

    MD5

    1fae72122be7ed51c261cf8648a188c0

    SHA1

    5f29b533b4e04bd9f32e8df410443aad85ba6d66

    SHA256

    89f7ff3be8355ed44610649a04cf412a6c78d35d27d98b83f78d7c80e805fabe

    SHA512

    b88ccc3787fff223cb3af43b25acd802a4f8c1c1fc996404a5e9565c8d25cfd3651a37f06b952d10acc6c26987d11e25de93e315b1d5df976d6a24dc2f3efb3e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\561WG3JFFJ14F5DD0UJA.temp

    Filesize

    7KB

    MD5

    f140f6ec06084eda6ccee6553551323f

    SHA1

    77aac99a8247573c153392f0bd2e69cd03d92008

    SHA256

    6dd41d635639d6f6fd869b62049ee5a46adaaa555ec19023c775e937a6f37368

    SHA512

    bbfb99ac7344d29de55845cea580626d77f343190f33178916812071acb158e305789b04287afa3ce9fb39b04e7ca20d72ecf2e3a44edee05d32d9634deacf0f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    1575eaf98d1c3d22ac8cf707134a01d9

    SHA1

    9023645ca0ffed6e4d45f12f6631d8dfb2fcc898

    SHA256

    14376f003a42f7b9a5afb9a9da7e804e3a24a55e05e4c676b2b9f789063fac12

    SHA512

    1ed67435d819966afdc27d9bce1edcf44092d632c12acab5b239ec18dcb22a39d8fb61ccd7ef4e7955e2cf3424594dddfc60037fa92cec2d82431a40ed79bef6

  • \Users\Admin\AppData\Local\Temp\._cache_2025-02-23_313ffe2d1d737e2f1deec4ade563f405_avoslocker_formbook_hijackloader_luca-stealer.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • memory/276-109-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/836-172-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/836-133-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/836-130-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/836-129-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/836-97-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/836-94-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2324-38-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-2-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-5-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-1-0x0000000000D50000-0x0000000001130000-memory.dmp

    Filesize

    3.9MB

  • memory/2324-6-0x0000000005310000-0x000000000548E000-memory.dmp

    Filesize

    1.5MB

  • memory/2324-0-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/2324-4-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/2324-3-0x0000000000A60000-0x0000000000A78000-memory.dmp

    Filesize

    96KB

  • memory/2468-62-0x0000000000D90000-0x0000000001170000-memory.dmp

    Filesize

    3.9MB

  • memory/2596-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2596-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2596-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2596-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2596-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2596-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2596-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2596-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2596-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2596-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB