Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 01:57

General

  • Target

    2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe

  • Size

    12.7MB

  • MD5

    a94900a8aa0fbbdba50000bf65d5d62e

  • SHA1

    758cbdcf90fc582ee39578035df0836039b98871

  • SHA256

    514a14f7267dac3425bbce5401ec23c852d328f31d7ddc5ff5b8f8b9e593d832

  • SHA512

    2ce1a09b531ee17408d7c9259db57b151b58a36e305c4a732e57e0c4ddd0888c4e934960ee4b73bfea766c70cb2325e9c99866d04067e63a0e514f43de82f770

  • SSDEEP

    196608:HR668aaELaR668aaELsR668aaELuR668aaELwR668aaELVFKzYN:Hp8aaDp8aa9p8aaXp8aahp8aa

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\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_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:2744
    • 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\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_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:2676
    • 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:2716
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp37F2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2544
    • C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_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:1256
      • C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2796
      • 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:2256
        • 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:1888
        • 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:1908
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88DF.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2236
        • 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:1168
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            PID:580
  • 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:1584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    12.7MB

    MD5

    a94900a8aa0fbbdba50000bf65d5d62e

    SHA1

    758cbdcf90fc582ee39578035df0836039b98871

    SHA256

    514a14f7267dac3425bbce5401ec23c852d328f31d7ddc5ff5b8f8b9e593d832

    SHA512

    2ce1a09b531ee17408d7c9259db57b151b58a36e305c4a732e57e0c4ddd0888c4e934960ee4b73bfea766c70cb2325e9c99866d04067e63a0e514f43de82f770

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    31a220823ab3386bf48041aa54e42fcd

    SHA1

    516cf4420ebc15e9b914d5b9d21b961e0745437a

    SHA256

    b1ffc06405eee3454b1b13584de9b690f46887e7ca81710bfb30a53471aa6984

    SHA512

    cb9c5ca29081c788a006bbc05b429fc4f2331d5426db625eb3677db4bc621ec4dd6e7763e2942993850ab50837e2ac6efcb7723d45fa2aa4a60ffe74bf58bea2

  • C:\Users\Admin\AppData\Local\Temp\IvGqm2H3.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\IvGqm2H3.xlsm

    Filesize

    24KB

    MD5

    346195b7c9e492802f786cef4848e791

    SHA1

    a3d8d937159bded5d7d1ae2c152a0d70d97cc0f1

    SHA256

    94a165e7d6f47e3c86be7991711dca8db328acd634805d52b7ddeb5b066bf739

    SHA512

    d6ded03e0610e796aad4a7784f8128e49952d7b627d69d902d0b3b509b2773188a92d13df51a0d60f1f74e86e4712df26149b3a8d992fc3f03dfc897afd3ca2a

  • C:\Users\Admin\AppData\Local\Temp\tmp37F2.tmp

    Filesize

    1KB

    MD5

    9028ec09041a481937b1c4ab49cfb89a

    SHA1

    7386d2d2e75bf29f9aa5ffb53f53b63c9393a2da

    SHA256

    320095fee55ae40198538d85634a3ec2adc22c7e4d2b5ed0b2079cda267ecf26

    SHA512

    990050d2055a976e7595b598944ef73e3decd3c63e2a69b83099e05af2701732c877a20fcab757eda8bdeefc326c7a4df5c377d92de1c5b1a7e05b22f2be7d7d

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

    Filesize

    7KB

    MD5

    68eea06a3f6758a390a2732b6e168d40

    SHA1

    c722c5e477630b67b62187ce02dacbba499bd4cb

    SHA256

    0269f495aeae6d931706696e779c90aa85f67318d1ea752fde80ffa4d992bd66

    SHA512

    6ce4c02fb323690cc1678434d318a382c9a1c53122e5654a4825829eef6175bec1985a4cd19e8422f9514cfdb52029750648a60593c129bf35dff453c57de15c

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

    Filesize

    7KB

    MD5

    340356838baa93a26611ce33eaf95103

    SHA1

    dfd1f35117c9a13dc420bf82bbc1bf969c6519cc

    SHA256

    98fb22318608cf4a2b9af0bcae3c2b7451649585b1a31ad31a3c556252e3cee6

    SHA512

    7540d46576295b0b7c0469653aa8b1a3d60b906d01063eec28c49f79fca8ec46e564f858ed28a44c1827150f5121291a05ba688f02abc914e7e3d42b43d5fe8c

  • \Users\Admin\AppData\Local\Temp\._cache_2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • memory/1168-155-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1168-196-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1168-94-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1168-97-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1168-152-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1168-153-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-22-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-28-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-32-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1256-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1256-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1584-109-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2256-62-0x0000000000900000-0x00000000015C6000-memory.dmp

    Filesize

    12.8MB

  • memory/2744-5-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-3-0x0000000000650000-0x0000000000668000-memory.dmp

    Filesize

    96KB

  • memory/2744-2-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-4-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/2744-6-0x0000000005CB0000-0x0000000005E2E000-memory.dmp

    Filesize

    1.5MB

  • memory/2744-1-0x00000000009B0000-0x0000000001676000-memory.dmp

    Filesize

    12.8MB

  • memory/2744-38-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB