Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2025 03:29

General

  • Target

    871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe

  • Size

    1.6MB

  • MD5

    46618abdf3e14531ffe56017b196da7a

  • SHA1

    646e24a7d2745ecb8e9ec8d8a945e6c671ba397c

  • SHA256

    871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951

  • SHA512

    fd8fda64bb062d16b360216dc8422a228c87621ab8e7c71fe23dcd140de4b72341db6989d1b435697c01ac8206bbfc428d5dbe2b536b19f5c3a6dc6df6cf9a01

  • SSDEEP

    49152:cdPQwh6G//OyxCjRW/iHIteZMqbRDENiPw3FTFk:U3h6d68gwIteZNiiPwVpk

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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe
    "C:\Users\Admin\AppData\Local\Temp\871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2704
    • 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\871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • 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:2676
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5985.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2560
    • C:\Users\Admin\AppData\Local\Temp\871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe
      "C:\Users\Admin\AppData\Local\Temp\871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe"
      2⤵
        PID:1416
      • C:\Users\Admin\AppData\Local\Temp\871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe
        "C:\Users\Admin\AppData\Local\Temp\871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe"
        2⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1716
        • C:\Users\Admin\AppData\Local\Temp\._cache_871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2632
        • 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:2960
          • 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:2368
          • 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:2420
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC37.tmp"
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:632
          • 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:1708
            • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
              "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
              5⤵
              • Executes dropped EXE
              PID:2992
    • 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:636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      1.6MB

      MD5

      46618abdf3e14531ffe56017b196da7a

      SHA1

      646e24a7d2745ecb8e9ec8d8a945e6c671ba397c

      SHA256

      871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951

      SHA512

      fd8fda64bb062d16b360216dc8422a228c87621ab8e7c71fe23dcd140de4b72341db6989d1b435697c01ac8206bbfc428d5dbe2b536b19f5c3a6dc6df6cf9a01

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      fe003604c8efffbc433b4d88a258937e

      SHA1

      d429226370817a9e816864cb1b2a651660e2d55f

      SHA256

      07dab1a151e17ebb7349f43d83edc5073c6b29e57fe66a8110e30d6959be3f11

      SHA512

      e44546c674452637897f4b38755a2cf1425667b54eeb1196417f855062fc9bc0ef394837449cef50273b6a854f8447a69baf3b24332e1750121a0991432d6c81

    • C:\Users\Admin\AppData\Local\Temp\4orMmIsl.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • C:\Users\Admin\AppData\Local\Temp\4orMmIsl.xlsm

      Filesize

      26KB

      MD5

      9ab2c3c17349d71456105daef51a3657

      SHA1

      f37252e9df2a7de2e80aa22f43c73dcff37a4c08

      SHA256

      3156d331c8d3ab36b274a1bfa881bf1ff31e0bb78c496b73ed4ec07413f1b07b

      SHA512

      f8a7fd9ccff5ff57b8b91e9457436a8ca961d3a431b93931411c3b6b5c9b2532cf7c214421bf217e9d12725a63976e79b8eacb3c2b22df6d2fcb915038aa7456

    • C:\Users\Admin\AppData\Local\Temp\4orMmIsl.xlsm

      Filesize

      28KB

      MD5

      eeb7562b18a6a659cebe2c1268bf362d

      SHA1

      67b655d85fc47d740c57e6d9d919a872a85a423c

      SHA256

      12bc22ac25300759ab00dc893377e002381e5bfc330daad486f31057db5c5720

      SHA512

      4c42cdf0fe81c2a31289127ddf744fb33fc60753a3c773bcbd3f04d4666a2b11bce38777de80416c1636a3ffd4404e84f236912a2a50cf81d0718ee9a5a4890c

    • C:\Users\Admin\AppData\Local\Temp\4orMmIsl.xlsm

      Filesize

      31KB

      MD5

      d8384860491b0f01cdf1b8300c558b5a

      SHA1

      2caa0f3ab3b49bc2fa8b693b5b644dcfbebdf7cc

      SHA256

      a9019425e7e397e2913336199486f797a5bf524ecd8f9298fe1a1b49302ca657

      SHA512

      4d488c6f0b9606e4c38d598af7e7f29c5881ddbc1d672b6030ff14525570794438e22315af77ca4440be6abbf5e79f9c92d308a9565a3cd422d38c281d272b8b

    • C:\Users\Admin\AppData\Local\Temp\tmp5985.tmp

      Filesize

      1KB

      MD5

      2dedb79864039a421308db337e4a28e1

      SHA1

      8ff384d54a65f6d3998904c3d411b03a35969caa

      SHA256

      c0ecc7356e4e277361abbe03f39a1304f806cb434f53228726afb03b1aa31e9e

      SHA512

      afce7c3acbf100fc8154104fe39f84696188f1dc1d019e877757af901b9d0f11274801644f6ede2968676b103e7889dabfdf9f77b1d29638fc0fb2d367b18e39

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\DVUGJGCE1KY1M3T8RIFL.temp

      Filesize

      7KB

      MD5

      b6eb550f1746ba6188ca81ea9d5201e5

      SHA1

      62f5c735be56a67f884cdaf1d03d21c505c0b86b

      SHA256

      753a7f48d42aa4d13463d182b7816b3aa920f3ead993df274ce4cc49e4cf5533

      SHA512

      010140ce898bda13eabc7441a9a55356ae10a7defe0883cd2d4fe00a41cacaf904277c5d3444d9264790255eaf3f02620571a7bf1e2eb1d5881d66401b39f567

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

      Filesize

      7KB

      MD5

      0069da449d94d582218f916e3e8e7d63

      SHA1

      a649efe60f28f88405324aab6ef52fce06c411ab

      SHA256

      75e5b033f08174a19b9fa17a08583a3c27f20900a9b45996828a2dd37e51cae9

      SHA512

      102830262d37cf6e9953bcca3ad19f58ffc78e243ff3d196a61592c5050a0e41cb548483ffac22b0e969ce9549484ccaad6c66010b7b2388cee6f63ec51e9c8c

    • \Users\Admin\AppData\Local\Temp\._cache_871287a31efe88db587b63f1b4fa92fae14cc63c8146c48e0492e46530e00951.exe

      Filesize

      483KB

      MD5

      f3b57ccad1c0a308635e17aa591e4038

      SHA1

      ca67ad3c74523b844fc23563f7b288f0389fd645

      SHA256

      5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

      SHA512

      5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

    • memory/636-174-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/636-109-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1708-172-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1708-173-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1708-177-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1708-85-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1708-92-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1708-217-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-19-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1716-21-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-35-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-23-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-25-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-27-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-29-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-31-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/1716-34-0x0000000000400000-0x000000000053B000-memory.dmp

      Filesize

      1.2MB

    • memory/2704-36-0x0000000074310000-0x00000000749FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2704-0-0x000000007431E000-0x000000007431F000-memory.dmp

      Filesize

      4KB

    • memory/2704-6-0x0000000005230000-0x00000000053AE000-memory.dmp

      Filesize

      1.5MB

    • memory/2704-5-0x0000000074310000-0x00000000749FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2704-4-0x000000007431E000-0x000000007431F000-memory.dmp

      Filesize

      4KB

    • memory/2704-3-0x0000000000490000-0x00000000004A8000-memory.dmp

      Filesize

      96KB

    • memory/2704-2-0x0000000074310000-0x00000000749FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2704-1-0x0000000000B90000-0x0000000000D3C000-memory.dmp

      Filesize

      1.7MB

    • memory/2960-62-0x0000000000DC0000-0x0000000000F6C000-memory.dmp

      Filesize

      1.7MB