Analysis

  • max time kernel
    119s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 20:06

General

  • Target

    1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe

  • Size

    3.2MB

  • MD5

    3117eba191f2fcbc56bc95ad3ea23470

  • SHA1

    bf9643ab7e139238307299333d1826477d2f1257

  • SHA256

    1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92

  • SHA512

    fd439ad99066af753e73a67a0be0fa6dc1b3d5bee85e1085e806f0bf1baf3cf661dfdb264a3498f2c12935107f24a1b8cfe90b58cb6c7280c12c549c1546adab

  • SSDEEP

    98304:H3h6d68gwIteZNiiPwVpU3h6d68gwIteZNiiPwVp:HR668aaELAR668aaEL

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\1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe
    "C:\Users\Admin\AppData\Local\Temp\1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1308
    • 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\1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2852
    • 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:2952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp53AC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2820
    • C:\Users\Admin\AppData\Local\Temp\1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe
      "C:\Users\Admin\AppData\Local\Temp\1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Users\Admin\AppData\Local\Temp\._cache_1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:832
      • 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:2896
        • 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:2836
        • 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:2304
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA831.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3056
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1616
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:584
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1012
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:848
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    3.2MB

    MD5

    3117eba191f2fcbc56bc95ad3ea23470

    SHA1

    bf9643ab7e139238307299333d1826477d2f1257

    SHA256

    1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92

    SHA512

    fd439ad99066af753e73a67a0be0fa6dc1b3d5bee85e1085e806f0bf1baf3cf661dfdb264a3498f2c12935107f24a1b8cfe90b58cb6c7280c12c549c1546adab

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    216dd10c6a2e09521ac9db187dd88869

    SHA1

    00014d0b2ad1c699e86b1f2cfdb8bcb577bdb4c9

    SHA256

    ab0f0cf1a4df676bf0e2018e0f77148492bb049e8daa03c0972a37fca7cee906

    SHA512

    0100f16a73052a7e5ef76f1239b0b04d59ad1e1590b7df001e40ff324838c73e805fd31d16301bbdb3af6688aa1b6799168bd6691de8d8a1d2e750ff51465a57

  • C:\Users\Admin\AppData\Local\Temp\tmp53AC.tmp

    Filesize

    1KB

    MD5

    4420f1845444a28b25016def81fc6ebf

    SHA1

    df06cca676bdc320f12dfb4197e02ebe52ff6fb3

    SHA256

    c1315c75084c44b3cd8edab27703eb68b01457324178e92bb32696ed1523c73c

    SHA512

    d4a4404c15183e623dd6cd9c65c0fdee9a02b5eb521308a3f769c6df996dbdf0630ebcd3e81a2e302c9fbb00c704f73c7625fb1b090c8bd39d3e696d588db8e3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\D6096HP72XLL6H7O9RRO.temp

    Filesize

    7KB

    MD5

    ada3bef45dd877cd11b20fa94a824f11

    SHA1

    ed993aceea415a8e86e1f51e760eccb49c74c55f

    SHA256

    c24a20e7666c153c86343e4e4936137c8876b3252f12b5fe31b757d8ae5448f3

    SHA512

    8ba3d26975accd559c26d6963d99e8976b2bf49c0de7acf62f5127ebe22bcfdae23a7be3c04c46e1ca15e3aafb05b173879dff3802f8679cff26cfcd4e6f6e3b

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

    Filesize

    7KB

    MD5

    b29383e8a850d3d785e785c4e5f58cb8

    SHA1

    50572599465dcf72048b2bba1d7313d32d2f9d33

    SHA256

    15cc550a181122c02fde7edbf0dc3e1d37628c8f6c200ae4e7143204a1b50f51

    SHA512

    fee6728b371ff1806a55fe727ae35f34b27efb9ee644157e06b90c50b6b29bad4db06b995908c4c75df5c4398d1ab9763be6bf532c9ce5d30c1bd83ece662daf

  • \Users\Admin\AppData\Local\Temp\._cache_1c9e17585bde50908ce24e1e0d83a1f97617ae28923a8e3a7b56b338ebc37e92N.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • memory/1308-3-0x0000000000540000-0x0000000000558000-memory.dmp

    Filesize

    96KB

  • memory/1308-6-0x00000000052C0000-0x000000000543E000-memory.dmp

    Filesize

    1.5MB

  • memory/1308-5-0x0000000074440000-0x0000000074B2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1308-4-0x000000007444E000-0x000000007444F000-memory.dmp

    Filesize

    4KB

  • memory/1308-38-0x0000000074440000-0x0000000074B2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1308-2-0x0000000074440000-0x0000000074B2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1308-0-0x000000007444E000-0x000000007444F000-memory.dmp

    Filesize

    4KB

  • memory/1308-1-0x0000000000CF0000-0x0000000001034000-memory.dmp

    Filesize

    3.3MB

  • memory/2688-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2688-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2688-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2688-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2688-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2688-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2688-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2688-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2688-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2688-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2896-62-0x0000000000270000-0x00000000005B4000-memory.dmp

    Filesize

    3.3MB