Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26/10/2024, 06:27

General

  • Target

    f79168af038b2168ff426ecc439cd082c272e7543fae5e1c72e563630caeee02.exe

  • Size

    4.1MB

  • MD5

    628667cea08aed36ee5c282b81f30cc8

  • SHA1

    5362fa8e9b654863251b7768389ca5f05a3e6ea0

  • SHA256

    f79168af038b2168ff426ecc439cd082c272e7543fae5e1c72e563630caeee02

  • SHA512

    21fd13e45caa65093dcc193fccf54a679146e3693102081b80ad2e4796487d1298c5b99dd830f4d3152b9acdbb21f7e171b785ee8208516cad2f77dbb12fc789

  • SSDEEP

    98304:IFk+Zmo3roc///////J5pW0gf3bTh6a+JBAUZLfmF:4ZNpM3bN6PJVK

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 9 IoCs
  • 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
  • UPX packed file 34 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f79168af038b2168ff426ecc439cd082c272e7543fae5e1c72e563630caeee02.exe
    "C:\Users\Admin\AppData\Local\Temp\f79168af038b2168ff426ecc439cd082c272e7543fae5e1c72e563630caeee02.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\OD¼ì²â.exe
      C:\Users\Admin\AppData\Local\Temp\\OD¼ì²â.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\47.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Users\Admin\AppData\Local\Temp\47.exe
          C:\Users\Admin\AppData\Local\Temp\47.exe
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2820
          • 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\47.exe > nul
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:2912
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 2 127.0.0.1
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:1856
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\r.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2556
        • C:\Users\Admin\AppData\Local\Temp\r.exe
          C:\Users\Admin\AppData\Local\Temp\r.exe
          4⤵
          • Server Software Component: Terminal Services DLL
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          PID:3044
  • 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:2884
    • 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:2880
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñ"
    1⤵
      PID:2948
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñ"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2932
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñ.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñ.exe "c:\windows\system32\259432689.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\47.exe

      Filesize

      377KB

      MD5

      20b05a93c5de23f1fe6c87f6bc4dabd5

      SHA1

      8cfc236635ec6b7ce78da31d098bc42cfbe89fa0

      SHA256

      3aa540780b32d22430706ac275b967c2f93d308f1f57fb794b67f0941fc6fe89

      SHA512

      4786eeea8d57c5cb1b655c11795af2d75ba7620b493c37d01685574af2749f32589963fb78fadd621ea4d8d3b9616bb31a4e8cd8675dcbb5292c22ad040831ac

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

      Filesize

      93KB

      MD5

      4992f3334ad36ff3f61a3b2e3ba7336c

      SHA1

      61d93ffde435d0d6b1ff0b4fdeef65d79d1f06e8

      SHA256

      f6b53c8cbef17932ef640bb83b07e56067ffaa582330bb1f68001194a84d1641

      SHA512

      4772747b159d887ec183c17142dab4bff3595d988a9fa1d28463b82a96f7da0069765cf9e71f1eb33d97c66eb2756103bdd6cc05693f6d76a2ba823ec128d3e0

    • \Users\Admin\AppData\Local\Temp\OD¼ì²â.exe

      Filesize

      586KB

      MD5

      20bbaea0f63e79ddfd42da8cc35763e0

      SHA1

      bf48a4a1bd8e8b611bbe57a05d5d9e406d7bf9a6

      SHA256

      fae6449a0d0a6fbc4f1fc2ed341a6c10d81e07d864677116626b04f9ceb83c46

      SHA512

      532de5f15703de5c22c0593074e69f754f7590ede1529e774caa9cef133d9c228555b24e168645fa0d99ecaa18e78c56e5a17514e8158dcabca8d824a9af876f

    • \Windows\SysWOW64\259432689.bat

      Filesize

      50KB

      MD5

      4f0bd659e0f0ac42e16ce42a52a1af11

      SHA1

      9af198de5661cee25cdfe961e1f2261c73331bad

      SHA256

      97f49628921ada37adea7396f708135cbc80c7bfffcc4e68786d9afdf32450d8

      SHA512

      04801506bb388bcfd2f5fbb35ab1b51777a7cdb46cef927a07d25fd583cceae136ab1e11ae7408e717afe571793efa8393c1892469fc2ae5e23c35bc656b44a8

    • \Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñ.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2640-59-0x00000000008E0000-0x00000000008E1000-memory.dmp

      Filesize

      4KB

    • memory/2640-118-0x00000000008E0000-0x00000000008E1000-memory.dmp

      Filesize

      4KB

    • memory/2640-7-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-5-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-12-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-2-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-33-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-43-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-46-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-41-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-39-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-37-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-35-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-31-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-29-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-28-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-25-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-23-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-21-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-19-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-17-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-68-0x0000000002A60000-0x0000000002A61000-memory.dmp

      Filesize

      4KB

    • memory/2640-13-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-1-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-58-0x00000000008E0000-0x00000000008E1000-memory.dmp

      Filesize

      4KB

    • memory/2640-57-0x00000000008E0000-0x00000000008E1000-memory.dmp

      Filesize

      4KB

    • memory/2640-9-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-60-0x0000000003C00000-0x0000000003C40000-memory.dmp

      Filesize

      256KB

    • memory/2640-15-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-67-0x00000000023D0000-0x00000000023D1000-memory.dmp

      Filesize

      4KB

    • memory/2640-66-0x0000000002A70000-0x0000000002A71000-memory.dmp

      Filesize

      4KB

    • memory/2640-65-0x0000000003C00000-0x0000000003C40000-memory.dmp

      Filesize

      256KB

    • memory/2640-64-0x0000000002A70000-0x0000000002A71000-memory.dmp

      Filesize

      4KB

    • memory/2640-63-0x00000000023D0000-0x00000000023D1000-memory.dmp

      Filesize

      4KB

    • memory/2640-62-0x0000000002A70000-0x0000000002A71000-memory.dmp

      Filesize

      4KB

    • memory/2640-61-0x00000000023D0000-0x00000000023D1000-memory.dmp

      Filesize

      4KB

    • memory/2640-111-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2640-121-0x00000000023D0000-0x00000000023D1000-memory.dmp

      Filesize

      4KB

    • memory/2640-122-0x0000000003C00000-0x0000000003C40000-memory.dmp

      Filesize

      256KB

    • memory/2640-120-0x0000000003C00000-0x0000000003C40000-memory.dmp

      Filesize

      256KB

    • memory/2640-119-0x0000000002A60000-0x0000000002A61000-memory.dmp

      Filesize

      4KB

    • memory/2640-69-0x0000000002A60000-0x0000000002A61000-memory.dmp

      Filesize

      4KB

    • memory/2640-0-0x00000000003C0000-0x00000000003FE000-memory.dmp

      Filesize

      248KB

    • memory/2788-72-0x0000000000400000-0x0000000000498000-memory.dmp

      Filesize

      608KB

    • memory/2820-84-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2820-85-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2820-80-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2880-108-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2880-105-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2880-96-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2880-98-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2880-99-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2880-110-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB