Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 18:23

General

  • Target

    2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe

  • Size

    6.4MB

  • MD5

    cb587f984dd95327b0b9b655ebea3de9

  • SHA1

    2994f9b9c26e85b1d7e01b79d4229f4afd2c79ba

  • SHA256

    ab44f5a0181610c908d1a21fc90ee43a6e783b700a4e8f70cb4d221f7ba63d8f

  • SHA512

    497ab95786abb4e1427822d29cb695f2248a519ebbae0fb369572cf8bcfd82ebf6bff466849f2ebaee87307e161b882c0a729b77ff97cdd6a3d5e99a05c644b6

  • SSDEEP

    98304:K3h6d68gwIteZNiiPwVp/3h6d68gwIteZNiiPwVpQIpxrXGxqvO/cPY:KR668aaELbR668aaELxpFvqcA

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 7 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • 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: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • 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\2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848
    • 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:2768
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6F5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Users\Admin\AppData\Local\Temp\._cache_2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1544
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2364
        • 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:2896
        • 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:2876
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4173.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2252
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:404
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:844
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2552
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1952
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    6.4MB

    MD5

    cb587f984dd95327b0b9b655ebea3de9

    SHA1

    2994f9b9c26e85b1d7e01b79d4229f4afd2c79ba

    SHA256

    ab44f5a0181610c908d1a21fc90ee43a6e783b700a4e8f70cb4d221f7ba63d8f

    SHA512

    497ab95786abb4e1427822d29cb695f2248a519ebbae0fb369572cf8bcfd82ebf6bff466849f2ebaee87307e161b882c0a729b77ff97cdd6a3d5e99a05c644b6

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    0b68969f1fd1eedef642f4ea2513f1e8

    SHA1

    fd7f6598e5eabeaaaed54e3d7d9fad1150f3b2aa

    SHA256

    69e10d246fbc655f3be68fce3c2f417a3d2b60470f0d21305f86df6952d2e3fe

    SHA512

    2d1e81a84b84ff9eb66d4d7a8cb3eccf7c576ac0ca3fa650ca7ee617b3932e3cdcbe643573c2faa3bbf8afaa62d8485610b899ed8a69c2586e18c1dc91fb1f45

  • C:\Users\Admin\AppData\Local\Temp\tmpE6F5.tmp

    Filesize

    1KB

    MD5

    c02bab54d99e6381bb4415ec365f32f7

    SHA1

    9f08ed8acf6b36bf54a9e2543778f42224639d92

    SHA256

    4f024e3e656c73eec61b267282e43d899ab7688042cab55d123fa5a8532132e5

    SHA512

    dddf248ac04ccbc57396bd2b53617c2770868eb702a0d10dd9929fa8aec74108db0ab86f931eafa382d30015e02e931629016d0f3c93832dd9560e662287a78d

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

    Filesize

    7KB

    MD5

    9c797d3ad2c703338f00bee719ded689

    SHA1

    3a4eeb7f43ec3f4249779f0a8cbbd9e8054303ee

    SHA256

    cbf195107e3f0bfc1ca2a232166e9b018f573b180519833353d14377b7ba9b24

    SHA512

    9bf629b2b9c888f045216416b91d79ea0837118ed81574dab85ae15f27b90c829c11c61fd982f818d694d993946558afa01e25778a60a5b256c8fb83a9c4418a

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

    Filesize

    7KB

    MD5

    193ead407b9dc5e27b18704ef8ab3aff

    SHA1

    067ec018a6c7b16bc92bbc0bd188a47912c7bc66

    SHA256

    f33eace4827b462177a5685c0000b553c068aa15c8ee0e2a7f5d2788e4e1859c

    SHA512

    053a8b9f87a9bc1ecf70a521b5d906dadabf975489105b3cd1b2fa86816782b53e2c08ba8c767021d733305ca44085b528bb575a1a3b5e2584f4f99d92778381

  • \Users\Admin\AppData\Local\Temp\._cache_2024-12-05_cb587f984dd95327b0b9b655ebea3de9_formbook_luca-stealer_magniber.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • memory/2352-3-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2352-6-0x00000000054C0000-0x000000000563E000-memory.dmp

    Filesize

    1.5MB

  • memory/2352-5-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-4-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/2352-37-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/2352-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-1-0x0000000000B40000-0x00000000011AE000-memory.dmp

    Filesize

    6.4MB

  • memory/2364-61-0x0000000000130000-0x000000000079E000-memory.dmp

    Filesize

    6.4MB

  • memory/2604-28-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-33-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-20-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-24-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-26-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-22-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-18-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB