Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 17:19

General

  • Target

    c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe

  • Size

    6.5MB

  • MD5

    dd2a7a4ee1d5b17ac5ea593feca56035

  • SHA1

    2a696597bdf4ab5b2e830783de0944f1efef42aa

  • SHA256

    c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc

  • SHA512

    f560c30922050707aa4e62e56e034958ce330411a8721a704db7b8ff2c2d459adf0aa5297b18bb1b52d2f2535ba1baeb2c3fbd07c87bbd732a8110969dddfe35

  • SSDEEP

    98304:Ews2ANnKXOaeOgmhpL07igPzUYm9uALfprsQNnQf7UOR:SKXbeO7LL0PsuAdy

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
  • Sets DLL path for service in the registry 2 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 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 6 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
    "C:\Users\Admin\AppData\Local\Temp\c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1548
    • 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:2088
    • 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:1908
      • 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:2644
        • 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_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2716
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2484
    • 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:2168
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259404842.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2756
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2824
      • 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:2628

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2.5MB

      MD5

      27ddbbde91f940c1c96c91631b17a25f

      SHA1

      00cf87d1c2c7a5500aba7e0a5d3773c4269905ac

      SHA256

      79e76463c0339369c51c363a87db9b4a63a699f591d1b2b94622709970d0ed2c

      SHA512

      6ffdc949084af0a6f465c0fa55d97e3183a36fec73cdb8e79e391a4184a57a59e5af8229fdada6a7866097c0e942998841988467c91b8eca6bc071e7bd35d053

    • \Users\Admin\AppData\Local\Temp\HD_c2cf6a03fbf3a3377adfea16c761db4ad3b01269e4986392a4110b14509f55fc.exe
      Filesize

      4.0MB

      MD5

      a53f19c53b4ee28949e8233735a3b99d

      SHA1

      e11ed6fd09bc8287e27c6619627338c9c511dbbd

      SHA256

      95df540a9938c5058a194fc525b902b20eaa332a29225598f577d18a997e1e35

      SHA512

      11b01ca305ad561b05ac93443122a6337228dfd9ddb5f80eb5c35e57f3f5feeac2bcb14080b09a6ff28e6f222379149eed79715074053b5791a58c4d33075636

    • \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\259404842.txt
      Filesize

      899KB

      MD5

      559394239106d10edd02611d13b86038

      SHA1

      35516fe1959578a7edda195d54ea53a40b946410

      SHA256

      86f4e99c34ca62803c111910606f746541a1a3c0ab0b45b874c16f0b3a2d91aa

      SHA512

      f7a9818ca65d8af8b6656d8d48c8bc79286448608f9b28923bd2a07f2077392340b0e6cbda9142f4648fa844a6474a46764064c2d9a1bc2053b578faaf548460

    • \Windows\SysWOW64\Remote Data.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1908-20-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1908-21-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1908-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2628-47-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2628-50-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2628-52-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB