Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 19:44

General

  • Target

    4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe

  • Size

    2.6MB

  • MD5

    765fdc8c29cc7d10d41e68ae5c98d7f1

  • SHA1

    9c5dcbd39d4d4b3e63f9114ae55cad548c9bf7f8

  • SHA256

    4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6

  • SHA512

    5a35b99fe62d1a507dc3377292459908afe204078e3a6554cbe8fcd76218bb83a5b979e90d12e9ed0374ea5a526311595a5b57370364c492b2b7bd460d2b907a

  • SSDEEP

    49152:tCwsbCANnKXferL7Vwe/Gg0P+WhfDmn2q:Qws2ANnKXOaeOgmhfDmn2q

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 4 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 10 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: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe
    "C:\Users\Admin\AppData\Local\Temp\4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2092
    • 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:280
    • 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:3028
      • 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:2508
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2456
  • C:\Windows\SysWOW64\TXPlatfor.exe
    C:\Windows\SysWOW64\TXPlatfor.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2592
    • 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

    2.6MB

    MD5

    765fdc8c29cc7d10d41e68ae5c98d7f1

    SHA1

    9c5dcbd39d4d4b3e63f9114ae55cad548c9bf7f8

    SHA256

    4a5129eb53815a6830b40684c91f6898b01e4037d2aaa4ba31747744d1454bb6

    SHA512

    5a35b99fe62d1a507dc3377292459908afe204078e3a6554cbe8fcd76218bb83a5b979e90d12e9ed0374ea5a526311595a5b57370364c492b2b7bd460d2b907a

  • \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\259403454.txt

    Filesize

    899KB

    MD5

    77d9be8c587a924bd0c13a2e1efd54e3

    SHA1

    e1be15f07d19d33d55e54cd4f13256e721fff54f

    SHA256

    1db274a822e24672988584bc4745cafa2a39b13cd201e30469642e22837195ea

    SHA512

    19d15d94e15d45c02c8df6b09ada8f53a9e3eb0ff76a7e8b8388940efc6c51bdb4cfad6e20db7cd3ee82fc14fd3217d531da5403fb4cbe35e53a2898de8af10a

  • memory/2592-41-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2592-26-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2636-36-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2636-42-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2636-40-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3028-13-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3028-31-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3028-17-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3028-16-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3028-15-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB