Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 06:25

General

  • Target

    c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe

  • Size

    3.4MB

  • MD5

    20f879f733df173c436f0d615406ad40

  • SHA1

    68a90d01c584bf6de48d23605bb91eb7795833e8

  • SHA256

    c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624

  • SHA512

    81b638e03250bbc82cb242cbd651804a85b0a50a7c37679f96feb6bda0ee7b0bf52880174210eb5d5f5316b701b89ae723c200b7e8686e4d6908f2954014c6c2

  • SSDEEP

    98304:Ensmtk2amws2ANnKXOaeOgmhI1BTuE8XV:qLlKXbeO7S1pBM

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

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Executes dropped EXE 14 IoCs
  • Loads dropped DLL 18 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 8 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe
    "C:\Users\Admin\AppData\Local\Temp\c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\._cache_c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Users\Admin\AppData\Local\Temp\R.exe
        C:\Users\Admin\AppData\Local\Temp\\R.exe
        3⤵
        • Server Software Component: Terminal Services DLL
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:2688
      • C:\Users\Admin\AppData\Local\Temp\N.exe
        C:\Users\Admin\AppData\Local\Temp\\N.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2956
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          PID:928
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 2 127.0.0.1
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:648
      • C:\Users\Admin\AppData\Local\Temp\HD_._cache_c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe
        C:\Users\Admin\AppData\Local\Temp\HD_._cache_c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe
        3⤵
        • Executes dropped EXE
        PID:1544
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Users\Admin\AppData\Local\Temp\R.exe
          C:\Users\Admin\AppData\Local\Temp\\R.exe
          4⤵
          • Server Software Component: Terminal Services DLL
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          PID:2672
        • C:\Users\Admin\AppData\Local\Temp\N.exe
          C:\Users\Admin\AppData\Local\Temp\\N.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2336
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            PID:2168
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 2 127.0.0.1
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:1648
        • C:\Users\Admin\AppData\Local\Temp\HD_._cache_Synaptics.exe
          C:\Users\Admin\AppData\Local\Temp\HD_._cache_Synaptics.exe
          4⤵
          • Executes dropped EXE
          PID:2368
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2740
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2824
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259432689.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2256
    • 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:2628
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:276
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1760
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Executes dropped EXE
        PID:2056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      3.4MB

      MD5

      20f879f733df173c436f0d615406ad40

      SHA1

      68a90d01c584bf6de48d23605bb91eb7795833e8

      SHA256

      c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624

      SHA512

      81b638e03250bbc82cb242cbd651804a85b0a50a7c37679f96feb6bda0ee7b0bf52880174210eb5d5f5316b701b89ae723c200b7e8686e4d6908f2954014c6c2

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      2.6MB

      MD5

      97958c76750221e2953392782e393c54

      SHA1

      125961f3d7ba5404792478b929e331a3188c0e42

      SHA256

      93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

      SHA512

      2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

    • C:\Users\Admin\AppData\Local\Temp\uWCLxtK4.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • C:\Users\Admin\AppData\Local\Temp\uWCLxtK4.xlsm

      Filesize

      25KB

      MD5

      038680e266cb0df71dfb7119a20bccc7

      SHA1

      94c7714478b3f548bd3121ec26fdc7b3436ac649

      SHA256

      91f663e1400ba79cbd806a43b6f72b929cf18e8cc72731e62f9bb3744a9f3b8b

      SHA512

      6d69fdbaf752368157a010fa3b073b2abe1c913168caa11a40d5e2da7b1369293170886be9de40a299c63cea3a55b64d2d0a02fa54b3c9f75236cdf6806fdf89

    • C:\Windows\SysWOW64\ini.ini

      Filesize

      44B

      MD5

      237016b032c70f1c5f5c64b3490c1930

      SHA1

      8e262b72bdc297b2fbb5acaa6117a811c8917fba

      SHA256

      68451304dac6c99361ec22464ed2a1941e06dd5c84dd4b8ee98e2e066a8d2da5

      SHA512

      72ebc170df0fae4cdd499cd862edbc5d311adbafc07a3940b2d8fe1d39e93015e94e1cbcb6daf23457040a595a8bf26ab2f1907f652ae3c0d2ee6bb5da5ac86b

    • \Users\Admin\AppData\Local\Temp\._cache_c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe

      Filesize

      2.6MB

      MD5

      a115b0f35d3da4422161412b02af7f7e

      SHA1

      d044c0e2e7727d799a30677fe8031e5c5dce8e06

      SHA256

      bea53555cb37ad8647e6b355ec0d0f615ab135c76cc5c5d860857aaf752747d6

      SHA512

      6dba3a3e9d3f7363b05e66af03d797462363f6e7a7ead07bd70a42899b8ac6976b160f27ffbe5a8ccc47bebfa18bfd1760d9193dc69585586c651c4fa79eb346

    • \Users\Admin\AppData\Local\Temp\HD_._cache_c454bdf17f909fb2da2b13b8acd87f6fb810d660ea0945e6dbd4b5aed85e3624N.exe

      Filesize

      61KB

      MD5

      bd9e6c82cee1ff84cbc06ab54357974b

      SHA1

      c67d17b475404fe584e577b63411507acc268e56

      SHA256

      e150fd0333aef42a74f26c24b46347ea547fb295bdc77e0503be9b7a085de535

      SHA512

      a98b2c076a80875ee5e4007d22c5ae31bcff556bd03e6be6756e470f339e9d987bbec4a9f7af32239e13e8250c07df69c279a59f86eecb8e1967f62ada6e0e1b

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Windows\SysWOW64\259432689.txt

      Filesize

      899KB

      MD5

      94dfe3ba4da1656a4576e740036d1666

      SHA1

      2a11c204df6011ae6b535fc0db72e56092531c5b

      SHA256

      a61f32aa8d202ebe15c156ea6106926a79356995bd6e7f917ce9ea3ddbd41669

      SHA512

      6b73888e7b4fcf6bad10b43e260486b9bc2fd76a015fe7e918f09cc98e5deb281c5067bffdf79d99e1f7e66d76d907488e4bb597f6052acf13fc936ff4da1602

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/276-135-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/276-166-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/276-161-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2524-33-0x0000000000400000-0x0000000000764000-memory.dmp

      Filesize

      3.4MB

    • memory/2524-0-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/2628-67-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2828-173-0x0000000000400000-0x0000000000764000-memory.dmp

      Filesize

      3.4MB

    • memory/2828-176-0x0000000000400000-0x0000000000764000-memory.dmp

      Filesize

      3.4MB

    • memory/2828-210-0x0000000000400000-0x0000000000764000-memory.dmp

      Filesize

      3.4MB

    • memory/2956-46-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2956-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2956-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB