Analysis

  • max time kernel
    157s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 18:40

General

  • Target

    b6c039855f42f45f9798b0b1e20d4dd007aa8ac183c1ba6bedd5fc649cb5c688.exe

  • Size

    1.2MB

  • MD5

    57a3260fc813b9a84482972f2e7c79c9

  • SHA1

    ef9bfaf2d344b777ddcb040d3dc3a1fccf5980f3

  • SHA256

    b6c039855f42f45f9798b0b1e20d4dd007aa8ac183c1ba6bedd5fc649cb5c688

  • SHA512

    f45f611b8c2e24d056250be8e82c46a0e2ffc5072ba3443b9d3e2a33552e91a954c99e8c7cad33321de7517d86a8b772fd334fc8fdb7306f3a40a7e340d226d7

  • SSDEEP

    24576:cQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVZRxo:cQZAdVyVT9n/Gg0P+Whouxo

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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 5 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 5 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\b6c039855f42f45f9798b0b1e20d4dd007aa8ac183c1ba6bedd5fc649cb5c688.exe
    "C:\Users\Admin\AppData\Local\Temp\b6c039855f42f45f9798b0b1e20d4dd007aa8ac183c1ba6bedd5fc649cb5c688.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2772
    • 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:3336
      • 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:1456
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3864
    • 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:536
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1820
    • 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:1604
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3928
    • 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:528
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240662265.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4944
    • 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=1044 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:232

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1.2MB

        MD5

        57a3260fc813b9a84482972f2e7c79c9

        SHA1

        ef9bfaf2d344b777ddcb040d3dc3a1fccf5980f3

        SHA256

        b6c039855f42f45f9798b0b1e20d4dd007aa8ac183c1ba6bedd5fc649cb5c688

        SHA512

        f45f611b8c2e24d056250be8e82c46a0e2ffc5072ba3443b9d3e2a33552e91a954c99e8c7cad33321de7517d86a8b772fd334fc8fdb7306f3a40a7e340d226d7

      • C:\Users\Admin\AppData\Local\Temp\RCXDE4A.tmp

        Filesize

        1.3MB

        MD5

        47791f75d56dc7fbee58a55ecd319ca0

        SHA1

        f29f8ee3b078ff57f82304ce4158991cbec706c3

        SHA256

        8118b7c23811b818d5ae00340ef9ba58609621e53185a865430080cc28998bd2

        SHA512

        3cc024522342863a0d717a5aaa12e8c4e548058becb085b59b67bc853ab782cedd5156e334f38bfa6da6f3a7db7b55609e19b5743b7ff56e162482903fcd3844

      • C:\Users\Admin\AppData\Local\Temp\X.ico

        Filesize

        69KB

        MD5

        e33fb6d686b1a8b171349572c5a33f67

        SHA1

        29f24fe536adf799b69b63c83efadc1bce457a54

        SHA256

        020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

        SHA512

        cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

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

        Filesize

        93KB

        MD5

        3b377ad877a942ec9f60ea285f7119a2

        SHA1

        60b23987b20d913982f723ab375eef50fafa6c70

        SHA256

        62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

        SHA512

        af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

        Filesize

        377KB

        MD5

        a4329177954d4104005bce3020e5ef59

        SHA1

        23c29e295e2dbb8454012d619ca3f81e4c16e85a

        SHA256

        6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

        SHA512

        81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

      • C:\Windows\SysWOW64\240662265.txt

        Filesize

        50KB

        MD5

        d10f372a1b2cf35ad6c0538d2f39da16

        SHA1

        2c4f8e93c66102525c4e6d2cf7090217dfc4c010

        SHA256

        eeb19fe83290de231070d3919d6490081f44211c6c8c0a0aeca77565a77b6bd7

        SHA512

        770f45a57914ce47f3430cacd91570029803361f366727d17f9f3b7199d0a441fa53fb96176566c3725ef6a6cfab7d0f85fbf501db5d3f4aa1fde8e3849d1d3e

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

        Filesize

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/1604-49-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/1604-85-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/1604-62-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/1820-18-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/1820-44-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/1820-20-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/1820-22-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/1820-21-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3336-31-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3336-4-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3336-7-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3336-8-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3336-6-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB