Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 19:57

General

  • Target

    2024-12-10_fb3ae30ce89f45c952573636c508d32b_formbook_luca-stealer_magniber.exe

  • Size

    12.9MB

  • MD5

    fb3ae30ce89f45c952573636c508d32b

  • SHA1

    3b33c0ac4af12e72a474432519b3da711eb66baf

  • SHA256

    98a66eaec7d2811a7341f68ef9d121a03220e0cb17d03ae63f7b362eb544d8c2

  • SHA512

    d4d02d891c71985136d60967fa151334fee2aee347e6c2f8ce862d98a5ead0720b9fe9e981c3ce8b22dfdf118e6ec3408f2f5ead4c4ea4c02b5ac31d6d9390ea

  • SSDEEP

    196608:aR668aaELfR668aaELpR668aaELjR668aaELtR668aaELbR668aaELxpFvqcA:ap8aaGp8aaQp8aaqp8aa0p8aaSp8aa4

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 25 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\2024-12-10_fb3ae30ce89f45c952573636c508d32b_formbook_luca-stealer_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-10_fb3ae30ce89f45c952573636c508d32b_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: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\2024-12-10_fb3ae30ce89f45c952573636c508d32b_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:2652
    • 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:2752
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp275E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2816
    • C:\Users\Admin\AppData\Local\Temp\2024-12-10_fb3ae30ce89f45c952573636c508d32b_formbook_luca-stealer_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-10_fb3ae30ce89f45c952573636c508d32b_formbook_luca-stealer_magniber.exe"
      2⤵
        PID:2584
      • C:\Users\Admin\AppData\Local\Temp\2024-12-10_fb3ae30ce89f45c952573636c508d32b_formbook_luca-stealer_magniber.exe
        "C:\Users\Admin\AppData\Local\Temp\2024-12-10_fb3ae30ce89f45c952573636c508d32b_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:2284
        • C:\Users\Admin\AppData\Local\Temp\._cache_2024-12-10_fb3ae30ce89f45c952573636c508d32b_formbook_luca-stealer_magniber.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_2024-12-10_fb3ae30ce89f45c952573636c508d32b_formbook_luca-stealer_magniber.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1492
        • 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:1828
          • 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:2364
          • 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:2244
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7926.tmp"
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2656
          • C:\ProgramData\Synaptics\Synaptics.exe
            "C:\ProgramData\Synaptics\Synaptics.exe"
            4⤵
            • Executes dropped EXE
            PID:1056
          • C:\ProgramData\Synaptics\Synaptics.exe
            "C:\ProgramData\Synaptics\Synaptics.exe"
            4⤵
            • Executes dropped EXE
            PID:1728
          • C:\ProgramData\Synaptics\Synaptics.exe
            "C:\ProgramData\Synaptics\Synaptics.exe"
            4⤵
            • Executes dropped EXE
            PID:2440
          • C:\ProgramData\Synaptics\Synaptics.exe
            "C:\ProgramData\Synaptics\Synaptics.exe"
            4⤵
            • Executes dropped EXE
            PID:1740
          • C:\ProgramData\Synaptics\Synaptics.exe
            "C:\ProgramData\Synaptics\Synaptics.exe"
            4⤵
            • Executes dropped EXE
            PID:1716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      12.9MB

      MD5

      fb3ae30ce89f45c952573636c508d32b

      SHA1

      3b33c0ac4af12e72a474432519b3da711eb66baf

      SHA256

      98a66eaec7d2811a7341f68ef9d121a03220e0cb17d03ae63f7b362eb544d8c2

      SHA512

      d4d02d891c71985136d60967fa151334fee2aee347e6c2f8ce862d98a5ead0720b9fe9e981c3ce8b22dfdf118e6ec3408f2f5ead4c4ea4c02b5ac31d6d9390ea

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      d67da30915e438a501e9132fbf5573b2

      SHA1

      b5633bf64a2c2c6477c63282f0727c3e839b7955

      SHA256

      a89388416d6032f7547d503e7ef49564809fc8619eb0ecf466e503cefdd24e3a

      SHA512

      ea1b22ce640e6e456b8681b7a51004c95f3bbbde26b8c26daf9b8f1475436ab086b290678fe74272285a283e11fd42ea37575b11f7411d1264ead533b1a723dc

    • C:\Users\Admin\AppData\Local\Temp\tmp275E.tmp

      Filesize

      1KB

      MD5

      1fae72122be7ed51c261cf8648a188c0

      SHA1

      5f29b533b4e04bd9f32e8df410443aad85ba6d66

      SHA256

      89f7ff3be8355ed44610649a04cf412a6c78d35d27d98b83f78d7c80e805fabe

      SHA512

      b88ccc3787fff223cb3af43b25acd802a4f8c1c1fc996404a5e9565c8d25cfd3651a37f06b952d10acc6c26987d11e25de93e315b1d5df976d6a24dc2f3efb3e

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

      Filesize

      7KB

      MD5

      364ea0d8ccb145f2d3ad9f97a37a8734

      SHA1

      11b82f4e286095be709568344d3d32b69df03bbb

      SHA256

      eb3cef3d0ac618dee38f0dc65e63d4babd6de6011e19b4b7bed83242d1ae6310

      SHA512

      61ac3c5f3dc2b19d279f012ba76811d129035c56a70e1f2cbe7a40452ad5ccac620db5b1d628484e89e928d53ded757fea4062a3f4824a20d4d268602d00aab4

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

      Filesize

      7KB

      MD5

      2af93dd458264b4f6b327e494cefd621

      SHA1

      106bd2cdafaf552f8bbfe1d93a1ab11c1166f485

      SHA256

      995e56cee1e751d9827a030b7669278d52bbb3b7f1d40c2cfc8f7fc306c5eddb

      SHA512

      736d6d6daf87bbe871882b41d403c46af4905db192d34cf37e94757935d80dc18c390704d1a402b69d8277b3e16ec621ad1cd91dc46f7ef22d6bdda30741130f

    • \Users\Admin\AppData\Local\Temp\._cache_2024-12-10_fb3ae30ce89f45c952573636c508d32b_formbook_luca-stealer_magniber.exe

      Filesize

      483KB

      MD5

      f3b57ccad1c0a308635e17aa591e4038

      SHA1

      ca67ad3c74523b844fc23563f7b288f0389fd645

      SHA256

      5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

      SHA512

      5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

    • memory/1828-62-0x0000000000050000-0x0000000000D3E000-memory.dmp

      Filesize

      12.9MB

    • memory/2284-31-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2284-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2284-27-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2284-29-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2284-19-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2284-21-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2284-35-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2284-34-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2284-25-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2284-24-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2324-0-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

      Filesize

      4KB

    • memory/2324-38-0x0000000073FE0000-0x00000000746CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2324-6-0x0000000005C10000-0x0000000005D8E000-memory.dmp

      Filesize

      1.5MB

    • memory/2324-5-0x0000000073FE0000-0x00000000746CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2324-4-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

      Filesize

      4KB

    • memory/2324-3-0x0000000000610000-0x0000000000628000-memory.dmp

      Filesize

      96KB

    • memory/2324-2-0x0000000073FE0000-0x00000000746CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2324-1-0x0000000000F70000-0x0000000001C5E000-memory.dmp

      Filesize

      12.9MB