Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 12:34

General

  • Target

    1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe

  • Size

    3.0MB

  • MD5

    2a77eed436d6ff61d8073f14108ee310

  • SHA1

    57e7c550f90b25b305710b68ee10d91448ec80e7

  • SHA256

    1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf

  • SHA512

    af490c2b9dca4dd6b291cc5497daf11440ea43caa991485753295391a97ab03ae8e771d859470d5b9237c2c712e88de02f3f6c963d5efcd8ef2e7852cccfccdf

  • SSDEEP

    24576:wCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHi:wCwsbCANnKXferL7Vwe/Gg0P+Wh

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 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 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
    "C:\Users\Admin\AppData\Local\Temp\1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2020
    • 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:1808
    • 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:1736
      • 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:2528
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2444
    • C:\Users\Admin\AppData\Local\Temp\HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
      C:\Users\Admin\AppData\Local\Temp\HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe
      2⤵
      • Executes dropped EXE
      PID:2556
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2604
    • 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:2428
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259401754.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2984
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2808
      • 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:2636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2.8MB

      MD5

      a06eb41aac45e03cd86c274efc1c19d4

      SHA1

      e55bdf661a47461a0804c6f9f703e8ae4bbbb60d

      SHA256

      40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3

      SHA512

      5a19f204259f3b4465c1b311978bc5375bf7be44f09eec24b5b833b3c172e3e74023a2f80b66c76384c27365760ab1ad3317a1d0945c64ff5583e07d05cc5e35

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \Users\Admin\AppData\Local\Temp\HD_1d7479195715f2dc5b2a2bf880024c0671883396ddb0bfcdf74404d7d89848bf.exe

      Filesize

      163KB

      MD5

      ffa879296bea3317a5e46907f65bb016

      SHA1

      d01013e7b0a6066d4151f0c0e68fa2c23ea76709

      SHA256

      62b2f4a42bc08c8a25a1ea54b58ff5b28e7b2aa92ea4d5baff7e1b6c13739aa0

      SHA512

      1a20bf8f2b1d4d4a22f5ceeaf5ac17dd2521edb90b4f34e41811f814a255ea313a79d65f4c206f1e80c42cedda4169f06b3334d686d81817c9b972a69072b736

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • \Windows\SysWOW64\259401754.txt

      Filesize

      899KB

      MD5

      2b12b81c7c63e903f207bbffaf419449

      SHA1

      f15d0f50b99e14220e73c993bafcd429fd216aca

      SHA256

      acd376dfabf2628c983933ebb9aabdc3d6d5472bd94782b3aa1de6e48ffd31a9

      SHA512

      472a4c6b3e0b6d2a843684006b7d5d04869710779b629b7d4fbbe9ed0a7862830f82143e33b3937e5d308e35b065c91247d2067fc2fe7435e341c4129536927e

    • memory/1736-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1736-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1736-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2636-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2636-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2636-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB