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
    01-01-2025 19:03

General

  • Target

    2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_formbook_luca-stealer_magniber.exe

  • Size

    14.4MB

  • MD5

    3bfb1de40b93d74b5641783224ebe3f8

  • SHA1

    f6c97b8a5565c6fa7f1345ce1c50f91ed70072c0

  • SHA256

    e3f866226c131e7ec52fa9e00c63b735e0aefcdd2cfb6f379347a6189e097e6f

  • SHA512

    b6fccadbbd8fd7f4310cfac192239e6e71347d15481be0b568b3d0f030cf69c77aaa9c14f457a78b4725ca73ae352bf5cf8824e973c309759ebaf9cbde7f4e13

  • SSDEEP

    196608:/R668aaELoR668aaELaR668aaELsR668aaELuR668aaELwR668aaELVFKzYN:/p8aa5p8aaDp8aa9p8aaXp8aahp8aa

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 23 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\2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_formbook_luca-stealer_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_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:2236
    • 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\2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_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:2608
    • 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:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4200.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2620
    • C:\Users\Admin\AppData\Local\Temp\2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_formbook_luca-stealer_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_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:576
      • C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_formbook_luca-stealer_magniber.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_formbook_luca-stealer_magniber.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2000
      • 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:1968
        • 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:1240
        • 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:2144
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9962.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2184
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1864
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:300
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:904
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1596
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    14.4MB

    MD5

    3bfb1de40b93d74b5641783224ebe3f8

    SHA1

    f6c97b8a5565c6fa7f1345ce1c50f91ed70072c0

    SHA256

    e3f866226c131e7ec52fa9e00c63b735e0aefcdd2cfb6f379347a6189e097e6f

    SHA512

    b6fccadbbd8fd7f4310cfac192239e6e71347d15481be0b568b3d0f030cf69c77aaa9c14f457a78b4725ca73ae352bf5cf8824e973c309759ebaf9cbde7f4e13

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    538238853d1a71887db09611c856c2c2

    SHA1

    d014e1db81e625cc91185375f572f24d925daacb

    SHA256

    230554a394996e083ef5f075be1dc7ca41c243479538223343bf87367f4bf93b

    SHA512

    db82c017ee425fcb2e4769a902b3065d2363f72bbb0e0d1a0b21ea0a6e8a7bfbcaef70a8a7ce5dbfdf4171e753ff844ff4595011bc64e10d088a9c1cf438165d

  • C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-01_3bfb1de40b93d74b5641783224ebe3f8_formbook_luca-stealer_magniber.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • C:\Users\Admin\AppData\Local\Temp\tmp4200.tmp

    Filesize

    1KB

    MD5

    2dedb79864039a421308db337e4a28e1

    SHA1

    8ff384d54a65f6d3998904c3d411b03a35969caa

    SHA256

    c0ecc7356e4e277361abbe03f39a1304f806cb434f53228726afb03b1aa31e9e

    SHA512

    afce7c3acbf100fc8154104fe39f84696188f1dc1d019e877757af901b9d0f11274801644f6ede2968676b103e7889dabfdf9f77b1d29638fc0fb2d367b18e39

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

    Filesize

    7KB

    MD5

    c2381b9f8fd545d7f9ecbdc4fa99506d

    SHA1

    ec88f5e9f98610f8ec86dd63c5944367fcf9942c

    SHA256

    3096af19b5e475c3be4f2279ade59aa0eabf4fb15c313c0c7fb8c6fe82a62dd1

    SHA512

    7d247cbcf955c341dd1d0933be54d253230c3d99782c60280dbb8843a973c88cdcf9385a33ed630ce0f201a44325746901e2ee86cda95235b5051a2af4614a05

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

    Filesize

    7KB

    MD5

    dc85c542025ce1c3af7d3826024ed50e

    SHA1

    4fa8e42549ab04a6879d2497b1462ba0235a520c

    SHA256

    c9c617ce4a66f0affae0402e412973e34db15654adb1ce5c20c2dca5b68b6a40

    SHA512

    fec2a0e7d58a707ff3668829fd2fc2d27ee1d2cfebee9632c3cdeb83cad8ee777fcebb60d68c1bc9cf23d90fc4964c02890eed05d7f194327648004ca9ad8879

  • memory/576-24-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/576-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/576-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/576-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/576-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/576-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/576-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/576-32-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/576-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/576-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1968-62-0x0000000000240000-0x00000000010A6000-memory.dmp

    Filesize

    14.4MB

  • memory/2236-38-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-6-0x0000000005EE0000-0x000000000605E000-memory.dmp

    Filesize

    1.5MB

  • memory/2236-0-0x000000007433E000-0x000000007433F000-memory.dmp

    Filesize

    4KB

  • memory/2236-5-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-4-0x000000007433E000-0x000000007433F000-memory.dmp

    Filesize

    4KB

  • memory/2236-3-0x0000000000370000-0x0000000000388000-memory.dmp

    Filesize

    96KB

  • memory/2236-2-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-1-0x0000000000E70000-0x0000000001CD6000-memory.dmp

    Filesize

    14.4MB