Analysis

  • max time kernel
    149s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 15:10

General

  • Target

    986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe

  • Size

    1.6MB

  • MD5

    f4a936f84d8916968c7373204b8ae63f

  • SHA1

    6b98a8f443329a2d532ec53613898f99e2a0b6ef

  • SHA256

    986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383

  • SHA512

    97fe86f5a16c6190601f19ab796a6e319131d3697e9915008367aa584371369a51404679eebabb1847309dda9a68a315eed3cbb0688225870f23bdfed9e7a133

  • SSDEEP

    49152:5dPQwh6G//OyxCjRW/iHIteZMqbRDENiPw3FTFX:j3h6d68gwIteZNiiPwVpX

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\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe
    "C:\Users\Admin\AppData\Local\Temp\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:584
    • 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\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
    • 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:2744
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE40.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2844
    • C:\Users\Admin\AppData\Local\Temp\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe
      "C:\Users\Admin\AppData\Local\Temp\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Users\Admin\AppData\Local\Temp\._cache_986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1748
      • 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:2288
        • 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:1956
        • 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:2004
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1046.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1808
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1940
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:656
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1628
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2880
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.6MB

    MD5

    f4a936f84d8916968c7373204b8ae63f

    SHA1

    6b98a8f443329a2d532ec53613898f99e2a0b6ef

    SHA256

    986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383

    SHA512

    97fe86f5a16c6190601f19ab796a6e319131d3697e9915008367aa584371369a51404679eebabb1847309dda9a68a315eed3cbb0688225870f23bdfed9e7a133

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    206b20bccc538ce8909a2f5560ca85b0

    SHA1

    43eb2385ccd3abf38325fad89f11695c1c9e1a5c

    SHA256

    34956443fac5c3a2d6f6df6d0d8ddfe0da2c8b0aef179a3bd39622a09b8d3284

    SHA512

    10e0c1412c34e6a4d959003ae64d26e2543b593fb94bfc049464a0e0ed1417c5edaf563eb12e62195999c637af84d7e9f0675c7e4395468702335acf0b166220

  • C:\Users\Admin\AppData\Local\Temp\._cache_986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • C:\Users\Admin\AppData\Local\Temp\tmpBE40.tmp

    Filesize

    1KB

    MD5

    4420f1845444a28b25016def81fc6ebf

    SHA1

    df06cca676bdc320f12dfb4197e02ebe52ff6fb3

    SHA256

    c1315c75084c44b3cd8edab27703eb68b01457324178e92bb32696ed1523c73c

    SHA512

    d4a4404c15183e623dd6cd9c65c0fdee9a02b5eb521308a3f769c6df996dbdf0630ebcd3e81a2e302c9fbb00c704f73c7625fb1b090c8bd39d3e696d588db8e3

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

    Filesize

    7KB

    MD5

    491a3787a8fbbfbce1e0250bd9370cef

    SHA1

    f1ef60c62e868a38c36eaea592b5dc59f3a49373

    SHA256

    6c783c4e55967bd39130e2723f270926bedec4d9b0bfe836ea4da32ba711afe2

    SHA512

    7a23660365fd87b8a8bc52a91a108892b9228f49bcddbb0da86ffa8febd281aac5c3dd08255bca832d2b7237d20dd9c5950a40bcbd9ffa546cf8abe368642e3e

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

    Filesize

    7KB

    MD5

    5232c3230ddc37340a2b0c42d6560a5e

    SHA1

    ff2ffbca0985e21e6c9b56cf96571fc756c8edfa

    SHA256

    fd48671ff072f3129899b4b39c135f305b8e92ff2be859267ce4690c02b23022

    SHA512

    7b48d702546d25ba1f762d950b9f5a5857709c29dfffb1e117a850f97cb685a6dbf66675e22ff0aedc1ea4395c0389df77c3e4cfabd064a4f8cfccfe88e42dbe

  • memory/584-38-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/584-6-0x00000000050A0000-0x000000000521E000-memory.dmp

    Filesize

    1.5MB

  • memory/584-5-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/584-1-0x0000000000E60000-0x0000000001006000-memory.dmp

    Filesize

    1.6MB

  • memory/584-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/584-3-0x0000000000B40000-0x0000000000B58000-memory.dmp

    Filesize

    96KB

  • memory/584-4-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/584-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/2288-58-0x0000000000390000-0x0000000000536000-memory.dmp

    Filesize

    1.6MB

  • memory/2568-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-30-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2568-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB