Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 04:17

General

  • Target

    2236fb1ccc4e6aac87f1dcbab596d6a37ba28e6967dd6dd75681806e2d70ada0.exe

  • Size

    4.6MB

  • MD5

    8db4f30ed7ba2393c5ee6942b94aeac9

  • SHA1

    00098b5d4ce22d2837f2bd0ff6ba08f2822a627c

  • SHA256

    2236fb1ccc4e6aac87f1dcbab596d6a37ba28e6967dd6dd75681806e2d70ada0

  • SHA512

    4ab09c8d4cd1e7624c3e29aaaa8c27cf4bf1945e5cc12ae552c611e43ad81e2bf03850bb63e55bcc89ebaafb953f3374b72755316e59e198024dd1ecfa3f7900

  • SSDEEP

    98304:8GdVyVT9nOgmhDILDmn2dnf6ijFUufeeDdhnYNM6GdI:jWT9nO7+vmnUnfzjSaDTYNVf

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 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 DLL path for service in the registry 2 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 13 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\2236fb1ccc4e6aac87f1dcbab596d6a37ba28e6967dd6dd75681806e2d70ada0.exe
    "C:\Users\Admin\AppData\Local\Temp\2236fb1ccc4e6aac87f1dcbab596d6a37ba28e6967dd6dd75681806e2d70ada0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1688
    • 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:2124
      • 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:2864
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2680
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2672
    • C:\Users\Admin\AppData\Local\Temp\HD_2236fb1ccc4e6aac87f1dcbab596d6a37ba28e6967dd6dd75681806e2d70ada0.exe
      C:\Users\Admin\AppData\Local\Temp\HD_2236fb1ccc4e6aac87f1dcbab596d6a37ba28e6967dd6dd75681806e2d70ada0.exe
      2⤵
      • Executes dropped EXE
      PID:2580
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2068
    • 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:2772
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2784
    • 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:2532
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259405591.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2224

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Modify Registry

    2
    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

      1.6MB

      MD5

      6fe8baf37adedfe598c1f5ae517219bd

      SHA1

      826a3fb6c24942633e59b67e78c3a8ef6f1c2845

      SHA256

      ae3c2fecbbfbb160ed9bd9f87443c45f6aecce528d7595921c40b0277ac3bc81

      SHA512

      9438c023d54f34e90ccd70d4f9f0717bd5c10cdfd3e374eec211035230c820c4a6512528f6682cbd4801fd77e762f5ddf86d8c115372af35c3529031b9be56d7

    • \Users\Admin\AppData\Local\Temp\HD_2236fb1ccc4e6aac87f1dcbab596d6a37ba28e6967dd6dd75681806e2d70ada0.exe
      Filesize

      2.9MB

      MD5

      3b298a5416bf7b6cd3a0d65c2696ab81

      SHA1

      d9e4966cda8774df4f253ad5069cd14e4ddc9bdb

      SHA256

      445582ea2c62e9a2501c8c0166e9d1af881d27fc875347b4b31d528405f69979

      SHA512

      cfcc835d3ef8400c40357c52d68d1db11c0baa5ae3aeef99db46bcdefb52a0196cf0f219653e4def30122c8baf45b165d37c54dc45b9b21565eb51a06d111c16

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

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259405591.txt
      Filesize

      50KB

      MD5

      bd2d4c5fff7dfeaa752e48e982406f40

      SHA1

      c1050679cd43417043b28a59366cfa743d823c9a

      SHA256

      c8d042d511665149e4f0067ed5a4fcf2087da370b30a4018ff33f2612efca93d

      SHA512

      244f5e27544294c303526cc0911f6672fb3007a49602435b710f11295741a637ea34af784cfd88c7636b5d39d155b248a19c5e80df84f852f88c6b6e3d64beec

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

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1688-52-0x0000000003060000-0x0000000003404000-memory.dmp
      Filesize

      3.6MB

    • memory/1688-99-0x0000000003060000-0x0000000003404000-memory.dmp
      Filesize

      3.6MB

    • memory/2068-28-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2068-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2124-25-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2124-7-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2124-9-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2124-8-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2124-5-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2580-55-0x0000000000400000-0x00000000007A4000-memory.dmp
      Filesize

      3.6MB

    • memory/2772-31-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2772-41-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2772-39-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2772-36-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2772-29-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2772-32-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB