Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 17:22

General

  • Target

    a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe

  • Size

    10.2MB

  • MD5

    b9d632551792ad4ccc2e3513a5264d06

  • SHA1

    a714c22843754db4a6c22cbc534b162bb6bb7656

  • SHA256

    a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2

  • SHA512

    21a81ff64c95f8940d109237346fd832629814550310acd2906275431d5488167f294edbeee563ac044e0c95c126d8ecb6102690a05a639eea005b98dbfa3949

  • SSDEEP

    196608:YKXbeO7WNmndbKEb0xAriLYCkm0DShKZcccChkdtuR:h7csjb03H0DaMSChqkR

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 3 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
    "C:\Users\Admin\AppData\Local\Temp\a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2800
    • 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:2480
      • 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:2660
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2380
    • C:\Users\Admin\AppData\Local\Temp\HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
      C:\Users\Admin\AppData\Local\Temp\HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:500
      • C:\Windows\system32\cmd.exe
        cmd /C ver
        3⤵
          PID:1620
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2596
      • 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:2580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      2.8MB

      MD5

      0a5c594bbcaf0df958f55de71180cb5f

      SHA1

      74468978cc35e0f1252c54672bd7123abe1b7909

      SHA256

      a675d657204b22d3a345dbb835b41e74a185c148cdff5d695b1fb6e3eb8830d4

      SHA512

      bdfba7eec3e36b46b3f757a5c4b552b90e6df3a381cbcdfd58aa23302da85aab41bb201b54aa5b51bb645223a581e7fd87e1bc869ee40d64be73bc889959aabc

    • \Users\Admin\AppData\Local\Temp\HD_a040ce56cd244e41affe105548ea413ecfce0583266ee236e4ed224f973b85a2.exe
      Filesize

      7.5MB

      MD5

      c1d60fce98986bc79c36fadd1d5e4870

      SHA1

      db9581ed6eddc4fdc3f76b51cfef538c78e31730

      SHA256

      0423db0f40ac299ff1ab2800f5d9a3500eb68fce6e85f50df53ed51b830a924c

      SHA512

      5a561e3f83785fcf4ca7896cd5b4ad207c3dfcc44449a936df2a91ae19ce44c80b76d85920ec78004843a913ec1efd685edffe33ab8168391c9babe1da2e8ae0

    • \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\259401395.txt
      Filesize

      899KB

      MD5

      a5c3eeb9922e7c996570041ff90c6bb5

      SHA1

      96bdbf654385040c44746245f7c943ed31c046f4

      SHA256

      ff2f5df15a929ceec51b70cf3be24f9636b33319d97bbe169d014da14fd8f6b1

      SHA512

      13965483f1fcbf6afedc9952326eda12fdd991bdc577c068e800217f1c6a11c71f634548db5f9a03e72a08d37c56fcff2c18d97dafd3ddcc64493ba89237d241

    • memory/2480-15-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2480-20-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2480-16-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2480-13-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2580-35-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2580-39-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2580-40-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2596-26-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2596-34-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB