Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 14:42

General

  • Target

    9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe

  • Size

    4.6MB

  • MD5

    06392ad7dd4129ac0df78a50ab739cf3

  • SHA1

    dae35cd95be4580e16bddd39cb5eb885b5f7b603

  • SHA256

    9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b

  • SHA512

    67e6d1b3119ad2f3b023520d3bc405a2308f63b85aa340e73c0399476bf1570fe63b7395cf5ef7fd3deae7a9e125129af59b1aef3e19bf2e0a22d3c855a6e78c

  • SSDEEP

    49152:oQZAdVyVT9n/Gg0P+WhodlbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8bU:BGdVyVT9nOgmhclbXsPN5kiQaZ56

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
  • 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 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: 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\9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe
    "C:\Users\Admin\AppData\Local\Temp\9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3144
    • 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:3416
      • 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:3604
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4624
    • 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:1948
    • C:\Users\Admin\AppData\Local\Temp\HD_9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe
      C:\Users\Admin\AppData\Local\Temp\HD_9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe
      2⤵
      • Executes dropped EXE
      PID:184
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3532
    • 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:2632
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:5084
    • 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:1232
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240642406.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:944
    • 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 --field-trial-handle=3816,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
      1⤵
        PID:3308

      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_9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe
        Filesize

        3.1MB

        MD5

        fb083acd60fe5c3156dc25442be815e3

        SHA1

        61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

        SHA256

        f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

        SHA512

        7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

      • C:\Users\Admin\AppData\Local\Temp\RCX89D1.tmp
        Filesize

        1.2MB

        MD5

        73db729d298d6d398db37196f9d2d30a

        SHA1

        2c7b8afce39f9ebf3a5f8439aa0174f46c5d8e37

        SHA256

        9297fea48242342b77fe61c425fc66fb79aa352417cf2c0052dd744ec3d95e2c

        SHA512

        02e5ef58fd95e222053a00f100468b4a7f92c447e26029acda4d0c0ed38df67142d290d4b4273924fa414f48becf35cf7a9642b201d3592010c30be7a7bd6f1e

      • C:\Users\Admin\AppData\Local\Temp\RCXEC73.tmp
        Filesize

        1.5MB

        MD5

        4c4b869a375bfa0d9224e6005bed6c0c

        SHA1

        20d124fa90eccb48ecea686b81a7f5d5da078dad

        SHA256

        f58b3c8d870a97f612371b54b54dfcc6563f0cc52668826b3d1d7ef555213864

        SHA512

        41a9aed3ebd7dcabab7d159965e92c9e7d25044ab92197e884161e0f03858d1808516741a005989d67c9515559da939519f164d5e820653dcb7d6da8281be779

      • 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\240642406.txt
        Filesize

        50KB

        MD5

        b0167e941abdd623017a66a98768834c

        SHA1

        9eda602d6cab0af168f90be5132a59925f7cc27a

        SHA256

        8e402c8553aad71692adc8b448576f403c493bf2092aa918e6cc7db893deea59

        SHA512

        9a3eaaa122a87abf3356a2fc4573c099ec09c6c07d0adc21390345b80124ff105eae8a175f0492ce80888def7f256f5b9fa79f3b3caf63861ad2177f7bea7d79

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

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/2632-38-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2632-27-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2632-45-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2632-44-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3416-6-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3416-7-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3416-10-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3416-4-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3532-13-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3532-23-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3532-16-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3532-17-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3532-15-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB