Analysis

  • max time kernel
    142s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 19:20

General

  • Target

    550a4e0b30ee66f9d9de035cd3b5422f56c4b736eb1805e273d56e28693f0687.exe

  • Size

    2.8MB

  • MD5

    7e8d567bf6ea69d49bb4e89c166da2b4

  • SHA1

    93b73cd6afbc37bfb3d4e5ee1f1e10d46a84916e

  • SHA256

    550a4e0b30ee66f9d9de035cd3b5422f56c4b736eb1805e273d56e28693f0687

  • SHA512

    2e970bd4a144282439239d7eed07317f66cc1b6c1a2eab88352f5e4d8fdc548001505745f4bfffa1ecd76a2359a552dad375017787fd612e03d62edf58710e3b

  • SSDEEP

    24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHT:yCwsbCANnKXferL7Vwe/Gg0P+WhECBu

Malware Config

Signatures

  • Detect PurpleFox Rootkit 4 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 5 IoCs
  • Gh0strat

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

  • PurpleFox

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

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\550a4e0b30ee66f9d9de035cd3b5422f56c4b736eb1805e273d56e28693f0687.exe
    "C:\Users\Admin\AppData\Local\Temp\550a4e0b30ee66f9d9de035cd3b5422f56c4b736eb1805e273d56e28693f0687.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2592
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2628
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2428
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2888
    • C:\Users\Admin\AppData\Local\Temp\HD_550a4e0b30ee66f9d9de035cd3b5422f56c4b736eb1805e273d56e28693f0687.exe
      C:\Users\Admin\AppData\Local\Temp\HD_550a4e0b30ee66f9d9de035cd3b5422f56c4b736eb1805e273d56e28693f0687.exe
      2⤵
      • Executes dropped EXE
      PID:2436
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2976
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2152
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259412861.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:524
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Executes dropped EXE
        PID:2332

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\HD_550a4e0b30ee66f9d9de035cd3b5422f56c4b736eb1805e273d56e28693f0687.exe

            Filesize

            64KB

            MD5

            28c80503ca3522d5abe7a94ced851141

            SHA1

            19810a8cc76f7bf6a7bc67aa1000e5e7f7bb6a5d

            SHA256

            b45158dcbeb4d0d034e087c884aa1f1ec62d815e1d215f251496d6f6b9602c6d

            SHA512

            1d211cdc81ab9f471e9b208ccf5dac1f086bfebad1e5fe5562c6c02834fbf1c0d634cc16cc3a29e19aaa2ce30c2097d8c8dcff42fa2db0ae9d068efa1d3dfab2

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

            Filesize

            2.6MB

            MD5

            274fe01eb0f4cd402c3cfdeda4b30715

            SHA1

            72db93e86caaadf2f28e5265ebfbc2ea6ba9e705

            SHA256

            843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40

            SHA512

            6d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798

          • \Users\Admin\AppData\Local\Temp\HD_550a4e0b30ee66f9d9de035cd3b5422f56c4b736eb1805e273d56e28693f0687.exe

            Filesize

            128KB

            MD5

            cef0453775a419bc112ca5cc0a25e646

            SHA1

            2b581cecd0057aa46750baa7ce34a0b768ecbab2

            SHA256

            d1dfa984f7479dbac6c462c43e5e42accb4a7111497977eda1c0a42b76503c84

            SHA512

            c3060b72b51e1540c34caccd7d11d0ff3a776acd93b8bbea9656c038ba53f30b489947f174f6ab2b0a4936650d86385a1d1cbd183b34c17b523d5d64051fc657

          • \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\259412861.txt

            Filesize

            899KB

            MD5

            1c8cc563b8cdadae5c8a558e822862b4

            SHA1

            1cc88f2c006ea186355063d83de2984dda135733

            SHA256

            4d426e6b14794ee091455ffb1cf1c7e848651883090aec55245816e619ac1313

            SHA512

            02a37a8da581bc86b9976038bd9bceabd855e3da63e900cbd934f84f48ac56a5187f261a8efcc4e85afa0af4055c1034ffe9b5cdb52cb835f7237de814d2013e

          • \Windows\SysWOW64\Remote Data.exe

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • memory/2332-41-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2520-39-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2628-18-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2628-35-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2628-22-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2628-21-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB