Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 06:19

General

  • Target

    6d92d6566324a98dcdfa4e1e0ccc9de155240df987d99901229384541ec751a4.exe

  • Size

    4.9MB

  • MD5

    8bbe76e9ba0877a1872e0cb80742e903

  • SHA1

    84f0d2822b1a3810e6797e8d125aa6726fd05953

  • SHA256

    6d92d6566324a98dcdfa4e1e0ccc9de155240df987d99901229384541ec751a4

  • SHA512

    47a922f7274ccb315154df185f2de29111173c31b2d71baa550fecbbf19e146cea8030770af181ecbd4bd238cede43009d0e9cecc73a083d8a8da08df57bdf43

  • SSDEEP

    49152:HQZAdVyVT9n/Gg0P+WhoIDmn2JbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHCr:wGdVyVT9nOgmhLDmn2JbXsPN5kiQaZ56

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 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 10 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\6d92d6566324a98dcdfa4e1e0ccc9de155240df987d99901229384541ec751a4.exe
    "C:\Users\Admin\AppData\Local\Temp\6d92d6566324a98dcdfa4e1e0ccc9de155240df987d99901229384541ec751a4.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1224
    • 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:2988
      • 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:2632
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2376
    • 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:2552
    • C:\Users\Admin\AppData\Local\Temp\HD_6d92d6566324a98dcdfa4e1e0ccc9de155240df987d99901229384541ec751a4.exe
      C:\Users\Admin\AppData\Local\Temp\HD_6d92d6566324a98dcdfa4e1e0ccc9de155240df987d99901229384541ec751a4.exe
      2⤵
      • Executes dropped EXE
      PID:2836
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2484
    • 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:2380
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2436
    • 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:2496
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259430177.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.9MB

      MD5

      f40302c74f2d02c4106a8884710dd8c5

      SHA1

      40ad5418278de7f9eb99237c47b6d0dd576d98c4

      SHA256

      276744e8314cd637b1680c4a591771f894b36c4072ea0933a3da842083d216b4

      SHA512

      33a0163b5f203cda2c9f58277a7e8dc02d9a4bd50824ff47dcf74dfacac81a125bb1842b8a9c469273ead162512d6fb16de86ab386ae138f78f33079384ed9c7

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

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • \Users\Admin\AppData\Local\Temp\HD_6d92d6566324a98dcdfa4e1e0ccc9de155240df987d99901229384541ec751a4.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259430177.txt

      Filesize

      50KB

      MD5

      bba0806280ad8eea926fe1439421dcbd

      SHA1

      c69ca455e62ba85880f6cedaaa77869f69c9cd1e

      SHA256

      65ed63b411366bd68732c77a7c3dd4809b543557ee8507bc2bcfb73d38439285

      SHA512

      225e39069284e656e40ec83583ddcc131d5de30483e405c7f21cd059d635fd6f3e7cec4e647b34bff40185be4f622ea85b0bb59977f3c3cfe3aac96254a63070

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2380-41-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2380-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2380-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2380-33-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2484-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2484-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2988-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2988-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2988-12-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2988-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB