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
    25-05-2024 20:17

General

  • Target

    9c8389a96ed4eea43ac294c341d0997248631defda791d728f092ea9e713529a.exe

  • Size

    12.2MB

  • MD5

    c0749da6e81d81ccd06b9456e70ca502

  • SHA1

    7657c0b07e855399195f8279d67d587196e00b20

  • SHA256

    9c8389a96ed4eea43ac294c341d0997248631defda791d728f092ea9e713529a

  • SHA512

    101aaaa56da8c30a08b53696763332727e82e6214847157d7a76593ddde28bf176304bd1ba307b772bb90808b412f0821ddd1eb933dec63bd76f807264c8cc5b

  • SSDEEP

    196608:FWT9nO78MCSfR6m5VPyBiifMrVOMS/V8MQOj+GcBf7/x5e/tylQlfXlnBzDFu+97:H78BsPT0ii0rW/uMQObo7jayKrBv8Ykw

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 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 3 IoCs
  • UPX packed file 14 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: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c8389a96ed4eea43ac294c341d0997248631defda791d728f092ea9e713529a.exe
    "C:\Users\Admin\AppData\Local\Temp\9c8389a96ed4eea43ac294c341d0997248631defda791d728f092ea9e713529a.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4136
    • 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:3572
      • 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:1452
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2428
    • 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:4968
    • C:\Users\Admin\AppData\Local\Temp\HD_9c8389a96ed4eea43ac294c341d0997248631defda791d728f092ea9e713529a.exe
      C:\Users\Admin\AppData\Local\Temp\HD_9c8389a96ed4eea43ac294c341d0997248631defda791d728f092ea9e713529a.exe
      2⤵
      • Executes dropped EXE
      PID:4500
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4636
    • 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:5088
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3688
    • 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:1188
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240652781.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4388
    • 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=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1944

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Defense Evasion

      Modify Registry

      2
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Remote System Discovery

      1
      T1018

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\HD_9c8389a96ed4eea43ac294c341d0997248631defda791d728f092ea9e713529a.exe
        Filesize

        10.7MB

        MD5

        f023cf8fa8730d21bae5b7ce09acbaac

        SHA1

        dda2569344f0463213ce056925aa6ece02da5d0b

        SHA256

        13a32099d2772e9059ad9a8c1896ccaafbf446f33fc5cfb5ed16e28ef3383934

        SHA512

        551169868bf26eea658d434c4c582f51df339694127125da544713fd46c90e3038a6fd85ba0257f298b65a79f1e923848607f88703a2721e00b960c19433f658

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

        1.3MB

        MD5

        f50d9e6461f639354fb6566119db276a

        SHA1

        999e63ba16dfee844d0471411ea1eca9734563d3

        SHA256

        b45ad6ed5bb7a28076124c6a77f789676dc16f9d4ee927db526f1b9a8ad24515

        SHA512

        c236a3dcf3803639cc8a96b18273917565072c88cde5745d68e31b2da97fd290e08f21edaf89c7583825be448e72722bc6560419bb0a3fca8f24d19bdd100bef

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

        1.5MB

        MD5

        5cbfe1b5c4714fca45b2716eb794dc80

        SHA1

        2565dfbd7b86daa990962a0aef8b9233fb59745f

        SHA256

        ba0814f012e26ba7f809bc1e415f164256f7306ea87317a68a2eb079d55789ad

        SHA512

        0e0410783d4d688f6596a7348f5210d37cdf6e13fea301b40d478839f45a6504b559bb6851ff8fd708ae0bb802fbb28ed4c5dae78e0ee1851bef9e2fdd0c2a63

      • 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\240652781.txt
        Filesize

        50KB

        MD5

        b81215ee5c9507884fa92db97308c817

        SHA1

        642df45bd69633ffe2303235e3dc1cf361caebcf

        SHA256

        5d69b1cb3ca04ee9216d82cf4a7459282617576c9262636f077fa841e813abbe

        SHA512

        fe53feec672defe9afdd64ec703749a43854ecbc145d24da461958900c23d254c7f6c702aa16e01b8e834707a4cfe227a226aa3c5810a1877ffe51722ae57a44

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

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/3572-7-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3572-20-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3572-6-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3572-8-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3572-4-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4636-15-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4636-21-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4636-16-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4636-17-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4636-13-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/5088-33-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/5088-30-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/5088-39-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/5088-29-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB