Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03-11-2024 15:34

General

  • Target

    3fa892e7dc4c2e08bf9fafbd5f672fca9b4be259b4333398fd0674732d87f234.exe

  • Size

    12.0MB

  • MD5

    9e2fa902bb8be71f58f6c98bb8fa7838

  • SHA1

    f6ab4f05204fa2eca061397e129734c356c2576f

  • SHA256

    3fa892e7dc4c2e08bf9fafbd5f672fca9b4be259b4333398fd0674732d87f234

  • SHA512

    c66944eade0935bae33cc87e061fefa94ef88bcd9d9a3b5cf913d4745462f2faa1976f5223f60bb4381de1dc45b74c84c34441c6661254661950a2a3ed97bf67

  • SSDEEP

    196608:NWT9nO7j4adWhxSd/FUpoWyKAozKY4TPLKAouKn:v7jjdWxu/mpodKACXCzKATY

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • 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
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 8 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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\3fa892e7dc4c2e08bf9fafbd5f672fca9b4be259b4333398fd0674732d87f234.exe
    "C:\Users\Admin\AppData\Local\Temp\3fa892e7dc4c2e08bf9fafbd5f672fca9b4be259b4333398fd0674732d87f234.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2880
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2908
      • 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⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2940
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2476
    • 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
      • System Location Discovery: System Language Discovery
      PID:3052
    • C:\Users\Admin\AppData\Local\Temp\HD_3fa892e7dc4c2e08bf9fafbd5f672fca9b4be259b4333398fd0674732d87f234.exe
      C:\Users\Admin\AppData\Local\Temp\HD_3fa892e7dc4c2e08bf9fafbd5f672fca9b4be259b4333398fd0674732d87f234.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1952
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2896
    • 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:2804
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2148
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:876
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259483951.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2860

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.4MB

      MD5

      ee08d4511e64262aaaa9f42125cfb9ff

      SHA1

      51224ea6e0a34be9cb64bbe11c679c64c3ff2f45

      SHA256

      1aa8265c2092e98f7c0c20da477a3f102d918adebd53ff81916e3075670aba37

      SHA512

      c2d67803e834a0f8279f7824bb4c1fdda010582f018200695c274837899aa0e74ce35aaa6a040c2d4dacaa6d6efe50f1ffe52a241a776a659561347b3a1f1edd

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

      Filesize

      1.4MB

      MD5

      90dfec600330396dd76667c8788e6531

      SHA1

      19f3d4e3527a4cf2eb9ed38efb7e8e357f867e42

      SHA256

      a99e40b9837dcde0af1fc2dbe117958d718d570633e77b7d89178326952e60e5

      SHA512

      4f8b75ca97f443a6e62804338a0c8a2223b4831006d692576373879a75ff2b8f6c1f319d352a5255a119f97e9f8b385d50b5f5acbec68d19bcaeba72808c0505

    • \Users\Admin\AppData\Local\Temp\HD_3fa892e7dc4c2e08bf9fafbd5f672fca9b4be259b4333398fd0674732d87f234.exe

      Filesize

      10.5MB

      MD5

      3db529e99290bb576f42d9031fca7054

      SHA1

      651a3190ccaa05a44f34e90bc6cd814315e2aad1

      SHA256

      a9a4a6422aea5c2eb914a45c56f02e59fa3142e04f9ab36d623c240f5c3765c1

      SHA512

      ae74e499a0b55f9bec1c2580788eda058fcf1eed5de96cecc50fa2206951319052e56429dd79240d7aa667e86c79a08757fe26841b88f220c0470322d10ddecf

    • \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\259483951.txt

      Filesize

      50KB

      MD5

      15e3cf6e5b0997ac244e847ab998efe1

      SHA1

      fec04d6b0ff8e708650b1144134e0c6464ea01a6

      SHA256

      959966b5230ecda55276cd6742ccbfbc2e4460aa93ab2d7ede115e4684bb5180

      SHA512

      e913404801d1492258583f081f0965b07149c91e2a69ca2d88e7b7206f1c32bb7fd79be6bec49411ffe48dba02b8faad1666356e1617bf9dce0cad10a8f2656a

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2804-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2804-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2804-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2896-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2908-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2908-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2908-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2908-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB