Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 02:10

General

  • Target

    89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe

  • Size

    5.6MB

  • MD5

    5ba2367c25652e60900690e5e75408ba

  • SHA1

    d7bb08dac21f466a6db060bdfbf88f689edd828f

  • SHA256

    89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba

  • SHA512

    56376e57cecd7d905f71be033a2cab71972732531391128a3047900a9c91e9ef79a0e90418e15afe048ae1ad1480bf3f099a03d1ade324ad0f7c3d2e2ca4c5d9

  • SSDEEP

    98304:F3h6d68gwIteZNiiPwVpa/fh6ImzzJoDfuBcMv+A73XA9:FR668aaEL2Hh6ImzD+F9

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\89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe
    "C:\Users\Admin\AppData\Local\Temp\89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2072
    • 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\89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • 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:2836
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2DA5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe
      "C:\Users\Admin\AppData\Local\Temp\89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Users\Admin\AppData\Local\Temp\._cache_89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1804
      • 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:536
        • 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:2376
        • 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:2468
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp822B.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1800
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2932
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2948
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:700
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:376
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    5.6MB

    MD5

    5ba2367c25652e60900690e5e75408ba

    SHA1

    d7bb08dac21f466a6db060bdfbf88f689edd828f

    SHA256

    89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba

    SHA512

    56376e57cecd7d905f71be033a2cab71972732531391128a3047900a9c91e9ef79a0e90418e15afe048ae1ad1480bf3f099a03d1ade324ad0f7c3d2e2ca4c5d9

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    b2b6603667d5402344dd85edf67f5e43

    SHA1

    0a7f432458e101a2d65393e457d2875376acccbb

    SHA256

    3e8abed4be8ee0ff436ec9dd216601b5f05bd2463c586226c2123b495fb23eb4

    SHA512

    ded5f5dd27183cc534e426457c3552b43339fb9cdd695470edfe02bb08f6eebd6c36abafe4bf394bfd83c67f2b78b5238c08c4254bc1bb429f9957d51d9adbe1

  • C:\Users\Admin\AppData\Local\Temp\tmp2DA5.tmp

    Filesize

    1KB

    MD5

    59a13a106552b1a13cee977f73aeb95f

    SHA1

    08fdc3c8d801a13dbe8a1f4fbf28037db4559717

    SHA256

    42aea5c67590d543bdf178877ef2b205b915541b72708dba48f38608b5ab1fb7

    SHA512

    0147c40d8cd7cab85aab7d1a015f4a07a69582bb46043caa8f022f5db31da64a88048e6ade764ed0c80f2f6334f8e0bdc9ba2bbfad3d06d07d93ed549037a32e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3YADFFK5XHJNFGLSM8EI.temp

    Filesize

    7KB

    MD5

    b3ce831c93e0132fb368357e7b6389eb

    SHA1

    2c1386c1f08886332dace165f5f57e1efd959820

    SHA256

    db228240d17483bfeec00c8cdc3a7600e1c6086d7854a169a092eef8ccab5361

    SHA512

    17658c333fca703046fb941344f7b5431c5e7b723413bddcb669244c51b2dd953cea075102590f57ef14301a3432883d2467b3dafba8f19e290eb3fe6f0d1c56

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

    Filesize

    7KB

    MD5

    323c751559190d698373fca593db343a

    SHA1

    83d1605df847d0b7d0bd5ffd153e5e9af450f22f

    SHA256

    0557ab357ff9c4de15454a3632c42e37dc8f98d458f38ded09effa7956d60908

    SHA512

    18455c6942befafc57c4c28af140cdf0b69fe99071cdb2ef9f3f01ea18b89ed8f65fbd01dc38e9103fd74b6d934e930c17b824dbd6e0cd0638d15908bb7579f4

  • \Users\Admin\AppData\Local\Temp\._cache_89a0505f3a57c93a50a75439cdec93d6a5d217a3e74b7a86f98c8b228c8957ba.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • memory/536-62-0x0000000000250000-0x00000000007E4000-memory.dmp

    Filesize

    5.6MB

  • memory/2072-3-0x0000000000510000-0x0000000000528000-memory.dmp

    Filesize

    96KB

  • memory/2072-6-0x00000000055D0000-0x000000000574E000-memory.dmp

    Filesize

    1.5MB

  • memory/2072-5-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2072-4-0x000000007491E000-0x000000007491F000-memory.dmp

    Filesize

    4KB

  • memory/2072-36-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2072-0-0x000000007491E000-0x000000007491F000-memory.dmp

    Filesize

    4KB

  • memory/2072-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2072-1-0x0000000000F30000-0x00000000014C4000-memory.dmp

    Filesize

    5.6MB

  • memory/2728-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2728-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB