Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2025 00:55

General

  • Target

    2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe

  • Size

    16.0MB

  • MD5

    3b093fbed48d397d5d8507622761fbb5

  • SHA1

    3f42b90c9c11524da602bae885f258fe1f369688

  • SHA256

    40ef3d4ddd30060c71b73b2f2ef10275459e6d695d4299a47e97a659b8a6e6a6

  • SHA512

    f2d34d36a56dc8e023c38b565d7e97b07f56fc4f51bb516c70c37123b8086445235adf41f470ec89b40a012f399cc3bf9786b0ef2048dd9b263e215fd678d24d

  • SSDEEP

    393216:Mp8aa/p8aa5p8aaDp8aa9p8aaXp8aahp8aa:Axahxazxadxa/xa5xabxa

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

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\2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-06_3b093fbed48d397d5d8507622761fbb5_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:1948
    • 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\2025-01-06_3b093fbed48d397d5d8507622761fbb5_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:2580
    • 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:2244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp98C6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2764
    • C:\Users\Admin\AppData\Local\Temp\2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-01-06_3b093fbed48d397d5d8507622761fbb5_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:1552
      • C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2352
      • 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:2084
        • 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:2340
        • 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:2172
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE55.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2212
        • 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:1876
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            PID:1476
  • 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:2368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    16.0MB

    MD5

    3b093fbed48d397d5d8507622761fbb5

    SHA1

    3f42b90c9c11524da602bae885f258fe1f369688

    SHA256

    40ef3d4ddd30060c71b73b2f2ef10275459e6d695d4299a47e97a659b8a6e6a6

    SHA512

    f2d34d36a56dc8e023c38b565d7e97b07f56fc4f51bb516c70c37123b8086445235adf41f470ec89b40a012f399cc3bf9786b0ef2048dd9b263e215fd678d24d

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    d04d47aa1f05010d1b99cfcfd9e92302

    SHA1

    d44482d702ec61516066a4b78060e46cfe841958

    SHA256

    71f0f3d67077706a570d9b042a9140540baa3de0538223a47f408e007d3cec46

    SHA512

    288e4e1055fec9781eccc661bd468158da79b708d4d1fde21c8204ce6eb78d681d83d13860b6f98c37f18c514ab87d9b793920184f1307427fd3654ea5924a21

  • C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • C:\Users\Admin\AppData\Local\Temp\saJ275XS.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\tmp98C6.tmp

    Filesize

    1KB

    MD5

    c02bab54d99e6381bb4415ec365f32f7

    SHA1

    9f08ed8acf6b36bf54a9e2543778f42224639d92

    SHA256

    4f024e3e656c73eec61b267282e43d899ab7688042cab55d123fa5a8532132e5

    SHA512

    dddf248ac04ccbc57396bd2b53617c2770868eb702a0d10dd9929fa8aec74108db0ab86f931eafa382d30015e02e931629016d0f3c93832dd9560e662287a78d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\5KAX4XLCEPIMHDJXN6RM.temp

    Filesize

    7KB

    MD5

    113f5fc65db3bcbfaa216676d572af3c

    SHA1

    cad147ac60ab9b11d5bf5260e0ed1d9d9056e2a7

    SHA256

    6d92c3747336d5a39d61442b5db1f415fbdc155aff8724b7791aedbe7de0520f

    SHA512

    f25cc96f14ae0f342974faedc3b7aaa21eea298de265aa70f32b296b5ee209da6f3f43bd931a9837167ec083f0d89ab98e75c5bb3b652ddd4c67e272dc761f25

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

    Filesize

    7KB

    MD5

    f6b07de7e64e64e70b752fe8a9093150

    SHA1

    87cd094a1b007e7399bc81c248394b92e3c6711d

    SHA256

    64d8140e9cd27dd5491b333231aaa48dd7ba527aa9f7fc0116b782dba602be6c

    SHA512

    4e291360fdf4bc9eabaf03f36f1cabc406016057da4c73ae861c9b4316444d6611875a24ca4506a38935aa9275bcef2198e4a2fbc18973351c3dc09a93c304e4

  • memory/1552-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1552-24-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1552-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1552-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1552-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1552-32-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1552-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1552-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1552-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1552-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1876-96-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1876-93-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1876-172-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1876-132-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1876-128-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1876-129-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-0-0x000000007409E000-0x000000007409F000-memory.dmp

    Filesize

    4KB

  • memory/1948-36-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/1948-3-0x00000000008A0000-0x00000000008B8000-memory.dmp

    Filesize

    96KB

  • memory/1948-2-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/1948-4-0x000000007409E000-0x000000007409F000-memory.dmp

    Filesize

    4KB

  • memory/1948-1-0x00000000013A0000-0x00000000023A6000-memory.dmp

    Filesize

    16.0MB

  • memory/1948-5-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/1948-6-0x0000000005FB0000-0x000000000612E000-memory.dmp

    Filesize

    1.5MB

  • memory/2084-62-0x00000000011C0000-0x00000000021C6000-memory.dmp

    Filesize

    16.0MB

  • memory/2368-108-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB