Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 13:30

General

  • Target

    f25114b40c3e55e9bd38866e50aba6622ee140fff1e616010c5e48527d140f90.exe

  • Size

    1.5MB

  • MD5

    c90ab34fbac37c0b09dc5dea5818d803

  • SHA1

    028394346e783de10ea614d9d07cad27b75188f3

  • SHA256

    f25114b40c3e55e9bd38866e50aba6622ee140fff1e616010c5e48527d140f90

  • SHA512

    8e83bd188a4f1e5eb783b99545d1c26fda557ac167c5b2c0fecb2d01c198e44ffd3938215c692a71ee3a3f6d0a327f929eed0b93a2ce578d8a3a946c56c0ee49

  • SSDEEP

    24576:LVK2zY2X82tmkWCIF2S3bwLuRYbFIEmJWq83GPG0URj:LY6p3W5HxGFIE66V

Malware Config

Signatures

  • Detect PurpleFox Rootkit 1 IoCs

    Detect PurpleFox Rootkit.

  • 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 2 IoCs
  • Modifies data under HKEY_USERS 12 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f25114b40c3e55e9bd38866e50aba6622ee140fff1e616010c5e48527d140f90.exe
    "C:\Users\Admin\AppData\Local\Temp\f25114b40c3e55e9bd38866e50aba6622ee140fff1e616010c5e48527d140f90.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2672
    • 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\F25114~1.EXE > nul
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:984
  • C:\Windows\Aqiyq.exe
    C:\Windows\Aqiyq.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\Aqiyq.exe
      C:\Windows\Aqiyq.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Enumerates connected drives
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:2476

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\Aqiyq.exe

          Filesize

          1.5MB

          MD5

          c90ab34fbac37c0b09dc5dea5818d803

          SHA1

          028394346e783de10ea614d9d07cad27b75188f3

          SHA256

          f25114b40c3e55e9bd38866e50aba6622ee140fff1e616010c5e48527d140f90

          SHA512

          8e83bd188a4f1e5eb783b99545d1c26fda557ac167c5b2c0fecb2d01c198e44ffd3938215c692a71ee3a3f6d0a327f929eed0b93a2ce578d8a3a946c56c0ee49

        • C:\Windows\Aqiyq.exe

          Filesize

          1.5MB

          MD5

          c90ab34fbac37c0b09dc5dea5818d803

          SHA1

          028394346e783de10ea614d9d07cad27b75188f3

          SHA256

          f25114b40c3e55e9bd38866e50aba6622ee140fff1e616010c5e48527d140f90

          SHA512

          8e83bd188a4f1e5eb783b99545d1c26fda557ac167c5b2c0fecb2d01c198e44ffd3938215c692a71ee3a3f6d0a327f929eed0b93a2ce578d8a3a946c56c0ee49

        • C:\Windows\Aqiyq.exe

          Filesize

          1.5MB

          MD5

          c90ab34fbac37c0b09dc5dea5818d803

          SHA1

          028394346e783de10ea614d9d07cad27b75188f3

          SHA256

          f25114b40c3e55e9bd38866e50aba6622ee140fff1e616010c5e48527d140f90

          SHA512

          8e83bd188a4f1e5eb783b99545d1c26fda557ac167c5b2c0fecb2d01c198e44ffd3938215c692a71ee3a3f6d0a327f929eed0b93a2ce578d8a3a946c56c0ee49

        • memory/2672-0-0x0000000010000000-0x00000000101B0000-memory.dmp

          Filesize

          1.7MB