Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-06-2024 02:57

General

  • Target

    dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe

  • Size

    1.9MB

  • MD5

    42f3ffb37454a9230d6923f36c6b573a

  • SHA1

    f6f228b8ef447fbfc8b1568d4fa93357e394efe5

  • SHA256

    dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851

  • SHA512

    d7e931f3ee1ca5b97d3f39cbc7bda5025bb99d594f92c0aadd379c6fa72f0a82672f3d677b6dfe972bbef21504182f9e575177823924c55b1ff9593230249f64

  • SSDEEP

    24576:VQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVczGLI+5QXuRcJj2KM8+Eo0DF1:VQZAdVyVT9n/Gg0P+WhojqQXpj2j/W

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
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
    "C:\Users\Admin\AppData\Local\Temp\dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1840
      • 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\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2700
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2536
    • C:\Users\Admin\AppData\Local\Temp\HD_dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
      C:\Users\Admin\AppData\Local\Temp\HD_dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
      2⤵
      • Executes dropped EXE
      PID:2500
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.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:2684
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2404
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259395108.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:300

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Server Software Component

    1
    T1505

    Terminal Services DLL

    1
    T1505.005

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1.4MB

      MD5

      99dec9979d692cbfc0dc1b7be028658a

      SHA1

      35415fbeca203e49321af9ebc61f8c839257a71b

      SHA256

      b4e4fd5c2225053efaae183dd1cca8da5ab9165b1fe4bcc9221a214464f2e6bb

      SHA512

      b04a32e9387cf08645f569688eb8fa9b22f44602ea255718c4f3b21ae59d221193a0c9df6bb77e352922a4a612445207f108cfe08c92c0f2c4a06a1a26a5fe78

    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Users\Admin\AppData\Local\Temp\HD_dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
      Filesize

      437KB

      MD5

      0a72ebf5ab50b1b66057843730813005

      SHA1

      40ffbe8f2fc30407145ee896ad166d08562acc30

      SHA256

      d32f4227a312abc42fca893f17b947420330f67b371bdf6d1a3e8dc241d53514

      SHA512

      56b8acffb6ce9f26ce4263c981df2d76ad183de52c86c04e7c73e819cb2b38784de2d8401f5d93609b29ede5209779f152b01ee5be053c72ec339a08e86020f0

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

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • \Windows\SysWOW64\259395108.txt
      Filesize

      50KB

      MD5

      10a114c183a0d9a6f21ddf14b1d639ef

      SHA1

      c7c20a917b72bb6ce6410e5cdc0544d061cea7a4

      SHA256

      e62ce926671bbf8eb4ba7eccc0f5cbce52119081a0be62a8713d276d9af3be51

      SHA512

      20db4c669b8a67b7f162ce1234e93857242100f371320cd4b343c8858a678e63971667836e4e8387587df03648e623cf6ae10b12ffab9c5dcced4b391c301e36

    • \Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1840-8-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1840-7-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1840-12-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1840-5-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2072-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2072-34-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2684-36-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2684-38-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2684-52-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB