Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 18:22

General

  • Target

    125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe

  • Size

    3.4MB

  • MD5

    1c3c2d62a66ef5a866a56de7dd72d4a0

  • SHA1

    a00bd9bf2d6cb39f8372ab18b2d11af1d2bc2b5f

  • SHA256

    125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7

  • SHA512

    446e8623581956277f9bcace8724d780f1f72ab5296f4ea674da44fc0ebe9100d1ea5f8ae6fabec85efc796436429ceff08cecb3169383f77d06e27d4fa8fa3d

  • SSDEEP

    49152:+CwsbCANnKXferL7Vwe/Gg0P+WhagaCHCyn2VHLmiTG2k94:5ws2ANnKXOaeOgmhagaCiyn21bTG2k94

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 5 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe
    "C:\Users\Admin\AppData\Local\Temp\125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3824
    • 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:4148
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 460
        3⤵
        • Program crash
        PID:1744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 468
        3⤵
        • Program crash
        PID:3368
    • 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:916
      • 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:1164
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:988
    • C:\Users\Admin\AppData\Local\Temp\HD_125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe
      C:\Users\Admin\AppData\Local\Temp\HD_125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1040
      • C:\Windows\SysWOW64\cmd.exe
        cmd /cC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /codebase "C:\Users\Admin\AppData\Local\Temp\HomoEase.Core.dll"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1408
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe /codebase "C:\Users\Admin\AppData\Local\Temp\HomoEase.Core.dll"
          4⤵
            PID:888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4148 -ip 4148
      1⤵
        PID:1672
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4148 -ip 4148
        1⤵
          PID:3992
        • C:\Windows\SysWOW64\TXPlatfor.exe
          C:\Windows\SysWOW64\TXPlatfor.exe -auto
          1⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3844
          • 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:5004

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\HD_125f8807433903a584fef07f47b2a20b940e108d8eb4ab3b0018b6b1948800e7.exe

          Filesize

          852KB

          MD5

          d0f3e03786e027535e1c6112dd663dbb

          SHA1

          efcd699140cb77a0ece8540da2347fb5b648ed2c

          SHA256

          fff6be63e6b4115005cab69086c02eb1d093cecdc5ce8a00994ee46e6bc18023

          SHA512

          95c54340df4b85049435b466475c4b5ff0d34363158f9b356ede78136362c0b57985b54fcc0209c3e1b8d375463c8175336546eb8a290565c655b13c6438b917

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

          Filesize

          2.6MB

          MD5

          7223262f7749ce1f59e897f61cd63ed5

          SHA1

          cdb5d780b031f89de7c004e8645dfefc6f6e4be6

          SHA256

          b6f072459ed56ab04241a728c28f8831e2666164024d374f77fa0ef120cccc7e

          SHA512

          0ec227ebe3324ccfe65b6c52a4d89c85d2d5cf4b5951efd280de81184803e6353c9008f6a6496918a7eb32f31765144b4c1e98a48014ed979cb8d211a0ca70eb

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

          Filesize

          377KB

          MD5

          4a36a48e58829c22381572b2040b6fe0

          SHA1

          f09d30e44ff7e3f20a5de307720f3ad148c6143b

          SHA256

          3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

          SHA512

          5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

          Filesize

          941KB

          MD5

          8dc3adf1c490211971c1e2325f1424d2

          SHA1

          4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

          SHA256

          bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

          SHA512

          ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

        • C:\Windows\SysWOW64\240599906.txt

          Filesize

          899KB

          MD5

          c45636ae7e4e46b0c9d5653a71c15ec4

          SHA1

          9d41d99a34cdc7f9aba1cdf8fc305f6a215500da

          SHA256

          892a1e67ee7fa5c0ebae9333d1d0606d696f0b172019fac9e87df7d043253959

          SHA512

          bee6aa28fe2a765c5c7f9ab3f86cfefbcbb05cbb7744bd06f67abb6ce10b1d696d969b337250a172bf51e6f2b80a7454650381f2e3e37237554fb30531ce42b7

        • memory/888-54-0x0000000000110000-0x0000000000122000-memory.dmp

          Filesize

          72KB

        • memory/916-12-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/916-15-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/916-14-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/916-18-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3844-24-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3844-21-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3844-28-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3844-23-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/5004-36-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/5004-38-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/5004-42-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB