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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25/06/2024, 11:54

General

  • Target

    150a83836ed6a4b133e9486b39ad55841f5aac6a43806d1cfae89032b135c294.exe

  • Size

    7.9MB

  • MD5

    8fb60aacdbae702cef6c315966ef338c

  • SHA1

    4935d60a2ee95ddb9c807a52a9d98c28f1331790

  • SHA256

    150a83836ed6a4b133e9486b39ad55841f5aac6a43806d1cfae89032b135c294

  • SHA512

    096e57960aa0c66426555e0899f3ad7c095abc757d136ff5bcf14c5e692a4e6f51a565ddea23dfdd22002bb206e26a3235ee996be29b2112ee7ac6467221e437

  • SSDEEP

    196608:fWT9nO7WymnHhWAwJOwDuEwUdMDSOyIN9fhjtTYIYYmKL+cqCf4J:V7BUWAwJOEujUdM2OyG9VtUIYdHY8

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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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).

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • 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 FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\150a83836ed6a4b133e9486b39ad55841f5aac6a43806d1cfae89032b135c294.exe
    "C:\Users\Admin\AppData\Local\Temp\150a83836ed6a4b133e9486b39ad55841f5aac6a43806d1cfae89032b135c294.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1852
    • 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:2180
      • 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:2656
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2668
    • 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:2712
    • C:\Users\Admin\AppData\Local\Temp\HD_150a83836ed6a4b133e9486b39ad55841f5aac6a43806d1cfae89032b135c294.exe
      C:\Users\Admin\AppData\Local\Temp\HD_150a83836ed6a4b133e9486b39ad55841f5aac6a43806d1cfae89032b135c294.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://dl.ludashi.com/ludashi/ludashisetup.exe
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:844 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2484
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2784
    • 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:2912
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2548
    • 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:2648
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259396715.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ComputerZ.set

      Filesize

      40B

      MD5

      51a65d2eeb7ad33c64c0708bb1de986d

      SHA1

      d5b7d6729fab76c66b20b9dbc74a5b4db89d41cf

      SHA256

      e537cfd89fafed897417a222838f460d30b9092db5f5e9f27766fd511b74d55f

      SHA512

      acc0c5a91c32b32418f5145314b3dc1b203ad1e21396fe8ce3c7f353f20c4ac87576691dd870b425e0519e5dc163bb9aaebddfe49e73a6cf895c3b13587c2c5e

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

      Filesize

      1.5MB

      MD5

      272bedf8d490dba91c7657b955d61c22

      SHA1

      529cd24a7bba3d88948619763f549e6e85f2b8e8

      SHA256

      0822eae1f2e85712b1c3afb7e37bffd34262b0207c409ccbe89173e9e9bd7465

      SHA512

      e42f270eb4cc35041cef3d6ed4bf713abbcdb741d2514f28fefd98787828b6be788b91a4487187ed36fa4725b45de87573a42f5421a73d36b3794506ab35c58b

    • \Users\Admin\AppData\Local\Temp\HD_150a83836ed6a4b133e9486b39ad55841f5aac6a43806d1cfae89032b135c294.exe

      Filesize

      6.4MB

      MD5

      433333d95590d6987cd2255701e0974c

      SHA1

      7a15a5d3dd68d8a3ff1b5ce0742ba8da0618bc07

      SHA256

      dbef829a072c41161020cf3f7b10754ee73071ed09e77ed3b7f8b9843d1dfd3b

      SHA512

      e420b2a6201b4a29974ad236491506501b8eec81d710ce20a9e55328085ed848d452e87f7d73dbf1320928f52bf8f094f40883614451f9f058c0c51150444dd4

    • \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\259396715.txt

      Filesize

      50KB

      MD5

      fc928b3ff6b0dfb30b0bb48b1a7d9e5b

      SHA1

      3d8462a2ccb344a74f3c6d88d1cfb7ce06507cae

      SHA256

      498b6b6b17b98fa2e0d232a4cc53e1d7e864b9546044975344238cadb3b208e3

      SHA512

      35f7855253f1d5debcc1e9e09c6584c343e09df357e9520e24c1c2a8adb36f240351edf7b7203983c42067128b12aded46f72de72637ba39c533c94549ef6c71

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2180-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2180-9-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2180-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2180-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2588-82-0x0000000000050000-0x0000000000DF9000-memory.dmp

      Filesize

      13.7MB

    • memory/2588-66-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

      Filesize

      4KB

    • memory/2588-81-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

      Filesize

      4KB

    • memory/2588-52-0x0000000000E70000-0x0000000000E71000-memory.dmp

      Filesize

      4KB

    • memory/2588-79-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

      Filesize

      4KB

    • memory/2588-76-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

      Filesize

      4KB

    • memory/2588-74-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

      Filesize

      4KB

    • memory/2588-71-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

      Filesize

      4KB

    • memory/2588-69-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

      Filesize

      4KB

    • memory/2588-54-0x0000000000E70000-0x0000000000E71000-memory.dmp

      Filesize

      4KB

    • memory/2588-64-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

      Filesize

      4KB

    • memory/2588-61-0x0000000000E90000-0x0000000000E91000-memory.dmp

      Filesize

      4KB

    • memory/2588-59-0x0000000000E90000-0x0000000000E91000-memory.dmp

      Filesize

      4KB

    • memory/2588-57-0x0000000000E90000-0x0000000000E91000-memory.dmp

      Filesize

      4KB

    • memory/2588-56-0x0000000000E70000-0x0000000000E71000-memory.dmp

      Filesize

      4KB

    • memory/2784-34-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2784-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2912-51-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2912-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2912-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB