Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 21:54

General

  • Target

    277a7273dff556d539db03eedbe91a217a687e961e020ea6c70ba976dd88d6c5.exe

  • Size

    5.2MB

  • MD5

    77516b56511b036009478084ebf49cf3

  • SHA1

    c5934285fb099d9a4c43e8c1253cbe5943719203

  • SHA256

    277a7273dff556d539db03eedbe91a217a687e961e020ea6c70ba976dd88d6c5

  • SHA512

    0eca28d464076b5c0d852aa750ce3c72d44714d16833e6e4b223ca046eb7cc01001b92e80aa56c76802f6e7de7397075112c0d6986d75f09b0e549fd29359e62

  • SSDEEP

    98304:Rws2ANnKXOaeOgmhovp6KWW1x6XvvzbP0qAa7Y+AvW:DKXbeO7upnr6D8a7gW

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.

  • 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 9 IoCs
  • UPX packed file 33 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\277a7273dff556d539db03eedbe91a217a687e961e020ea6c70ba976dd88d6c5.exe
    "C:\Users\Admin\AppData\Local\Temp\277a7273dff556d539db03eedbe91a217a687e961e020ea6c70ba976dd88d6c5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:328
    • 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:2576
    • 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:2636
      • 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:2752
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2612
    • C:\Users\Admin\AppData\Local\Temp\HD_277a7273dff556d539db03eedbe91a217a687e961e020ea6c70ba976dd88d6c5.exe
      C:\Users\Admin\AppData\Local\Temp\HD_277a7273dff556d539db03eedbe91a217a687e961e020ea6c70ba976dd88d6c5.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2628
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2356
    • 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:1320
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259399164.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1796
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2600
      • 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:2652

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_277a7273dff556d539db03eedbe91a217a687e961e020ea6c70ba976dd88d6c5.exe

      Filesize

      2.7MB

      MD5

      10aceb2f3e4f3f7b6fa7c541481d33df

      SHA1

      fbc9dd4c7d8607bf6aaf8aa24bd19e42c6333311

      SHA256

      dd0888eb171b84c8f6a7bf3c12cce5a5a3a56c995d329d79b5358c8ac1a09f96

      SHA512

      5ab2beb7992369ee4b690bf84d1d2225e7a6b8dd0842872c61522d7387154c45f83f12bcb14310612e4fd7e69d159525d0cfabe353de08cf5826250a55cfd397

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

      Filesize

      2.6MB

      MD5

      027d490ddef16f462db7d79ff514207f

      SHA1

      eaea89cd40da37d5d33a82c724b426935a2c72a5

      SHA256

      3d56c4a885321a6ed7ed2a18ace777e12b52bdcc5d61943fd928b14312fb26a7

      SHA512

      443fa37f9ee54a342fe7ce60da78a3aaf1b7e2238c71f039a2a22943b1b75f61d7ab7b19e838b04ab3919930acc6618d45dc4f80fbd31c552ece6dddfa426cc6

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • \Windows\SysWOW64\259399164.txt

      Filesize

      899KB

      MD5

      6747a26ba40ce0a14fed206382e1ff26

      SHA1

      667693b3f8cb33eb0e608e8d7b4abab73af0f38d

      SHA256

      e9a810346ef2e52a1e56cd16411ac522361d305267f07fd879a9ee7ccbdf9513

      SHA512

      2dbc858a1fb5fe8fee8a218074d19b2777e72d915d35e3aca5c24c7f5f1e7c6ff66f87ea6cf747d79de2fa70561d0c030fa7fccf93199a89dd6f3bdddb71c76f

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2628-89-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-77-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-53-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-51-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-81-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-97-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-95-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-93-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-91-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-109-0x0000000002370000-0x00000000023AE000-memory.dmp

      Filesize

      248KB

    • memory/2628-108-0x0000000002370000-0x00000000023AE000-memory.dmp

      Filesize

      248KB

    • memory/2628-107-0x0000000002370000-0x00000000023AE000-memory.dmp

      Filesize

      248KB

    • memory/2628-54-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-87-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-85-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-83-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-79-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-56-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-75-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-73-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-71-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-69-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-67-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-65-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-63-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-61-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-59-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2628-57-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2636-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2636-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2636-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2652-46-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2652-50-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB