Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 19:10

General

  • Target

    044a4589919f8499b440a0ebba404288c2db1a6da0418d843d876c4e8d0f35d4.exe

  • Size

    1.6MB

  • MD5

    5d27961a2f6c062c2b3082e360879051

  • SHA1

    51547518fb12d878b549f67003e21ccbe92a6f18

  • SHA256

    044a4589919f8499b440a0ebba404288c2db1a6da0418d843d876c4e8d0f35d4

  • SHA512

    50c928b069970af5b07fda3c15b08c656bf120c3e3392403223cbea8b3fce258f5cbc58d7ca75edb1fc7def36b34a711d8b93d2d204f0a181118b9733bac2050

  • SSDEEP

    24576:GQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV0pVgUKGuox2:GQZAdVyVT9n/Gg0P+WhoFpVgpoo

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
  • 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 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 3 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\044a4589919f8499b440a0ebba404288c2db1a6da0418d843d876c4e8d0f35d4.exe
    "C:\Users\Admin\AppData\Local\Temp\044a4589919f8499b440a0ebba404288c2db1a6da0418d843d876c4e8d0f35d4.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:832
    • 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:1712
      • 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:2592
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2708
    • 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:2724
    • C:\Users\Admin\AppData\Local\Temp\HD_044a4589919f8499b440a0ebba404288c2db1a6da0418d843d876c4e8d0f35d4.exe
      C:\Users\Admin\AppData\Local\Temp\HD_044a4589919f8499b440a0ebba404288c2db1a6da0418d843d876c4e8d0f35d4.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1880
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2936
    • 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:2648
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2464
    • 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:2512
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259399835.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1300

    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

      7c0a10c53b00cf709ab3f5fa3156a0c5

      SHA1

      c0e92178e1c204ef40f126753bc45504da90a481

      SHA256

      32ec24b9547ea919a46e8e96ca3e86c027096188863b8005d2c8549cee60f774

      SHA512

      4a750a016d2a6ed270093a4497bd67dc220cfe75a9a7617048e01cc8fe76234074d2a43de0548084b6f47e8dccd9f8ae229184a26c3770591aa4368bd90dbfc2

    • \Users\Admin\AppData\Local\Temp\HD_044a4589919f8499b440a0ebba404288c2db1a6da0418d843d876c4e8d0f35d4.exe

      Filesize

      197KB

      MD5

      3d084d731564eb1069abaae8584240cd

      SHA1

      f48404467e634ed8922eaee964b82a54a69cf3b5

      SHA256

      7cc0250f1b664c27c877170885e80fdc9ec51596680a6dafef81cde441c0aaf9

      SHA512

      7bdbf5a51fe3c71529355942af1b08f26db699de224703e0fc4195ab1c9f61619be836df25b608d9d8b88fabc1c67770cc78f7cbf3b2299a61401361693b12d4

    • \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\259399835.txt

      Filesize

      50KB

      MD5

      73d01d8f207d1948738fff1559a2d743

      SHA1

      ac2bb513b2413f92e02009fb6a64dae7859891d5

      SHA256

      a1ce576b8c94ae3dac6e74b61adfb121ccf7886e2da27dd59394162ea259c9bc

      SHA512

      48a48593166039e2439ea333b6a6ce5d6235999769a1ed63bbb844398ae3389d3b282783c45a35e23e72d5992f549d9ad1e889ebe7d69754a1c5ba5863ffc894

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1712-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1712-12-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1712-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1712-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1880-102-0x00000000001A0000-0x00000000001A5000-memory.dmp

      Filesize

      20KB

    • memory/1880-100-0x00000000001F0000-0x00000000001FA000-memory.dmp

      Filesize

      40KB

    • memory/1880-86-0x00000000001A0000-0x00000000001AA000-memory.dmp

      Filesize

      40KB

    • memory/1880-101-0x00000000001F0000-0x00000000001FA000-memory.dmp

      Filesize

      40KB

    • memory/1880-87-0x00000000001A0000-0x00000000001AA000-memory.dmp

      Filesize

      40KB

    • memory/2648-38-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2648-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2648-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2936-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2936-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB