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Analysis

  • max time kernel
    166s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 01:36

General

  • Target

    cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe

  • Size

    6.3MB

  • MD5

    5faee14c701f0626673b356c227c0fc2

  • SHA1

    176ad9ea383d9d911fad5a8124292dbb0a6a3bd6

  • SHA256

    cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244

  • SHA512

    f92566216b8d547fdc9396e411748482929bd86bd1b0da289639ffbaed7b71cc956860d89913d5dee452cf6d167d661f19d78e2c04bc7f4df9a62e84667afba4

  • SSDEEP

    24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNvI:QHPkVOBTKw

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 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 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe
    "C:\Users\Admin\AppData\Local\Temp\cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1692
    • 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\CDF8FA~1.EXE > nul
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4756
  • C:\Windows\SysWOW64\sainbox.kx
    C:\Windows\SysWOW64\sainbox.kx -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3776
    • C:\Windows\SysWOW64\sainbox.kx
      C:\Windows\SysWOW64\sainbox.kx -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:1392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\sainbox.kx

    Filesize

    6.3MB

    MD5

    5faee14c701f0626673b356c227c0fc2

    SHA1

    176ad9ea383d9d911fad5a8124292dbb0a6a3bd6

    SHA256

    cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244

    SHA512

    f92566216b8d547fdc9396e411748482929bd86bd1b0da289639ffbaed7b71cc956860d89913d5dee452cf6d167d661f19d78e2c04bc7f4df9a62e84667afba4

  • C:\Windows\SysWOW64\sainbox.kx

    Filesize

    6.3MB

    MD5

    5faee14c701f0626673b356c227c0fc2

    SHA1

    176ad9ea383d9d911fad5a8124292dbb0a6a3bd6

    SHA256

    cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244

    SHA512

    f92566216b8d547fdc9396e411748482929bd86bd1b0da289639ffbaed7b71cc956860d89913d5dee452cf6d167d661f19d78e2c04bc7f4df9a62e84667afba4

  • C:\Windows\SysWOW64\sainbox.kx

    Filesize

    6.3MB

    MD5

    5faee14c701f0626673b356c227c0fc2

    SHA1

    176ad9ea383d9d911fad5a8124292dbb0a6a3bd6

    SHA256

    cdf8fa2d4ee0ac723e3f9479a054354643a551d17e92e6ed29f2183b4a0c6244

    SHA512

    f92566216b8d547fdc9396e411748482929bd86bd1b0da289639ffbaed7b71cc956860d89913d5dee452cf6d167d661f19d78e2c04bc7f4df9a62e84667afba4

  • memory/1692-0-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB

  • memory/3776-11-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB