Overview

overview

10

Static

static

3

8b492c9a9b...7a.exe

windows7-x64

10

8b492c9a9b...7a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 18:47

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General

  • Target
    8b492c9a9b3d48b0fedc183834b0fcba6fc4c0b5da8a0ab88e0a631c9b503b7a.exe
  • Size 2.4MB
  • Sample240528-xff2cagh65
  • SHA256 8b492c9a9b3d48b0fedc183834b0fcba6fc4c0b5da8a0ab88e0a631c9b503b7a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
gh0stratpurplefoxpersistenceratrootkittrojanupx

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

    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.

    ratgh0strat
  • PurpleFox

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

    rootkittrojanpurplefox
  • Drops file in Drivers directory 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
    persistence
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 10 IoCs

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

    upx
  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 1 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: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b492c9a9b3d48b0fedc183834b0fcba6fc4c0b5da8a0ab88e0a631c9b503b7a.exe
    "C:\Users\Admin\AppData\Local\Temp\8b492c9a9b3d48b0fedc183834b0fcba6fc4c0b5da8a0ab88e0a631c9b503b7a.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1820
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4992
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3356
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3076
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2644
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:408
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240651609.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3088
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3876
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.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:2392
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4052 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2644

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            HD_X.dat
            • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
            • Size 2.4MB
            • SHA256 8b492c9a9b3d48b0fedc183834b0fcba6fc4c0b5da8a0ab88e0a631c9b503b7a
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            N.exe
            • Path C:\Users\Admin\AppData\Local\Temp\N.exe
            • Size 377KB
            • SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            R.exe
            • Path C:\Users\Admin\AppData\Local\Temp\R.exe
            • Size 941KB
            • SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            RCXB989.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\RCXB989.tmp
            • Size 2.5MB
            • SHA256 0ef10a49c18bc92a98f1cd6f436d6d83b4e12d7b50fa8b10b30c512bcc1dab5c
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            X.ico
            • Path C:\Users\Admin\AppData\Local\Temp\X.ico
            • Size 69KB
            • SHA256 020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            240651609.txt
            • Path C:\Windows\SysWOW64\240651609.txt
            • Size 899KB
            • SHA256 83d3efa6eae81d70dc2f52912d0f0748ecd005a784e75f2b9b2b825a74b76174
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Remote Data.exe
            • Path C:\Windows\SysWOW64\Remote Data.exe
            • Size 60KB
            • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            memory/2392-36-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/2392-43-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/2392-40-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/3876-26-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/3876-28-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/3876-27-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/4992-15-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/4992-16-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/4992-12-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download

            memory/4992-14-0x0000000010000000-0x00000000101B6000-memory.dmp
            Download