Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 18:22

General

  • Target

    125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe

  • Size

    3.4MB

  • MD5

    1c3c2d62a66ef5a866a56de7dd72d4a0

  • SHA1

    a00bd9bf2d6cb39f8372ab18b2d11af1d2bc2b5f

  • SHA256

    125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7

  • SHA512

    446e8623581956277f9bcace8724d780f1f72ab5296f4ea674da44fc0ebe9100d1ea5f8ae6fabec85efc796436429ceff08cecb3169383f77d06e27d4fa8fa3d

  • SSDEEP

    49152:+CwsbCANnKXferL7Vwe/Gg0P+WhagaCHCyn2VHLmiTG2k94:5ws2ANnKXOaeOgmhagaCiyn21bTG2k94

Malware Config

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.

  • PurpleFox

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

  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in 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 behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe
    "C:\Users\Admin\AppData\Local\Temp\125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:316
    • 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:2752
      • 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:2728
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2564
    • C:\Users\Admin\AppData\Local\Temp\HD_125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe
      C:\Users\Admin\AppData\Local\Temp\HD_125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\cmd.exe
        cmd /cC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /codebase "C:\Users\Admin\AppData\Local\Temp\HomoEase.Core.dll"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /codebase "C:\Users\Admin\AppData\Local\Temp\HomoEase.Core.dll"
          4⤵
            PID:1292
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
        PID:2300
      • 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:2432
        • C:\Windows\SysWOW64\Remote Data.exe
          "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259393751.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2460
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -auto
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2960
        • 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:2116

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        941KB

        MD5

        8dc3adf1c490211971c1e2325f1424d2

        SHA1

        4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

        SHA256

        bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

        SHA512

        ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

      • C:\Users\Admin\Desktop\BlockFind.exe

        Filesize

        3.4MB

        MD5

        a937ae298626da24cde8a707d3f2b937

        SHA1

        ba2669d1b23ffc4b08533afe653bb66a195d5254

        SHA256

        e65f4961d685cb4302c1055d7728bd4b211a13659fadeed2cf780c0f41b3e49f

        SHA512

        e970b10c65bc96d8003e404dc486bc7ba77daed657898383fbff40cea208f8f5bf76926f78a69ff4ed1587d9266360101e517351f68441618ca2572dcb6184ac

      • \Users\Admin\AppData\Local\Temp\HD_125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe

        Filesize

        852KB

        MD5

        d0f3e03786e027535e1c6112dd663dbb

        SHA1

        efcd699140cb77a0ece8540da2347fb5b648ed2c

        SHA256

        fff6be63e6b4115005cab69086c02eb1d093cecdc5ce8a00994ee46e6bc18023

        SHA512

        95c54340df4b85049435b466475c4b5ff0d34363158f9b356ede78136362c0b57985b54fcc0209c3e1b8d375463c8175336546eb8a290565c655b13c6438b917

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

        Filesize

        377KB

        MD5

        4a36a48e58829c22381572b2040b6fe0

        SHA1

        f09d30e44ff7e3f20a5de307720f3ad148c6143b

        SHA256

        3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

        SHA512

        5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

      • \Windows\SysWOW64\259393751.txt

        Filesize

        899KB

        MD5

        c45636ae7e4e46b0c9d5653a71c15ec4

        SHA1

        9d41d99a34cdc7f9aba1cdf8fc305f6a215500da

        SHA256

        892a1e67ee7fa5c0ebae9333d1d0606d696f0b172019fac9e87df7d043253959

        SHA512

        bee6aa28fe2a765c5c7f9ab3f86cfefbcbb05cbb7744bd06f67abb6ce10b1d696d969b337250a172bf51e6f2b80a7454650381f2e3e37237554fb30531ce42b7

      • \Windows\SysWOW64\Remote Data.exe

        Filesize

        43KB

        MD5

        51138beea3e2c21ec44d0932c71762a8

        SHA1

        8939cf35447b22dd2c6e6f443446acc1bf986d58

        SHA256

        5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

        SHA512

        794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

      • memory/1292-52-0x0000000000810000-0x0000000000822000-memory.dmp

        Filesize

        72KB

      • memory/2116-51-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2116-47-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2116-42-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2752-20-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2752-21-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2752-18-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB