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 18:19

General

  • Target

    c559c15605be9d93c8170ba6bf5af942acc18e28c0c8231a364217a48eed2cf9.exe

  • Size

    3.3MB

  • MD5

    95ea64f50e6bd974636c82443cd78242

  • SHA1

    885f7e00e474f1f6b4c9960772c6b2002355647c

  • SHA256

    c559c15605be9d93c8170ba6bf5af942acc18e28c0c8231a364217a48eed2cf9

  • SHA512

    37cec83f0751b9b0d47fa02ee7a3da557a78df86f621e3fa96e699014bb94edff9b54dfea544418fca8ae77b8dec40013f54f6e60543846532a59fe2bb3f2866

  • SSDEEP

    24576:qCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHm:qCwsbCANnKXferL7Vwe/Gg0P+WhNks

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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 13 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Program crash 1 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 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c559c15605be9d93c8170ba6bf5af942acc18e28c0c8231a364217a48eed2cf9.exe
    "C:\Users\Admin\AppData\Local\Temp\c559c15605be9d93c8170ba6bf5af942acc18e28c0c8231a364217a48eed2cf9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2372
    • 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:2072
    • 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:1792
      • 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:2676
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2552
    • C:\Users\Admin\AppData\Local\Temp\HD_c559c15605be9d93c8170ba6bf5af942acc18e28c0c8231a364217a48eed2cf9.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c559c15605be9d93c8170ba6bf5af942acc18e28c0c8231a364217a48eed2cf9.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 560
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2884
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1164
    • 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:1664
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395046.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1712
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2556
      • 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:2568

    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

      3.7MB

      MD5

      efe035b4c4bd715d9f080dbaf31c674c

      SHA1

      168d451926ceddf127abef5237b311538d324ce5

      SHA256

      033cdbf766a3f6e95fa1bbd009c2d542fe9caea8025896a60a3ee08d7067f076

      SHA512

      fd6a55b796696de40d535e3e0d761ea2fdaccd9da25377edc4d158d4cc03cccc9032116a1ce0311ffa15e8f66725bc8c4926f81dcadc478d862390997d2e801e

    • \Users\Admin\AppData\Local\Temp\HD_c559c15605be9d93c8170ba6bf5af942acc18e28c0c8231a364217a48eed2cf9.exe

      Filesize

      478KB

      MD5

      c9b1d33a5d8a096a26f1d91b3052f219

      SHA1

      96e0bf54e7d89d58230eaa8927c116185e8f60dd

      SHA256

      352d4ccb9301fbf97a41d950dc9226aadcfe81dc81fc597b4b0c7477cd0f7eb2

      SHA512

      2e084e2e9d85b55509504bdf3062a53ad1a05a30392a841c78b1b7d0be7180d667c3ddcc1057b2532df208512543c1fbc7eaa4c559f7501a55fcf7ba70dd8c5f

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • \Windows\SysWOW64\259395046.txt

      Filesize

      899KB

      MD5

      57c1c85fd7fe849a8bf5f32fc3b27c70

      SHA1

      9b5f5f0dd334c1a67ed584cd14bbe214083d4e41

      SHA256

      e3a7195140da4926efd9b6bbcd4cc6a5d7ffd3a213ee7649f106b3122296557f

      SHA512

      553b665e940fa6b63ed1b8b530b16fb6d863cee04f2569d1d4e3f89530f5759f493b4e4ace6bfd5bfb0a54ff618c16c404e91f61d0cf3ff54b76563223c919b8

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1792-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1792-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1792-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2532-50-0x0000000000370000-0x00000000003EC000-memory.dmp

      Filesize

      496KB

    • memory/2568-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2568-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2568-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2568-38-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2568-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2568-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB