Analysis

  • max time kernel
    155s
  • max time network
    159s
  • 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 18:27

General

  • Target

    4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89.exe

  • Size

    2.3MB

  • MD5

    ab277a24b26db612b4de39c9d3e7cc17

  • SHA1

    50c45a164cb594eb3e71b364d0b7aabab9d18e6a

  • SHA256

    4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89

  • SHA512

    f871f9834908fef61fff26cc305455d8d8f2601b9340c1af442ae69dbbf3d2ac50f0b290f1adfad12fa7d8f3427d38ebd8aa52b78f9d141f4e48f20e18187106

  • SSDEEP

    49152:RQZAdVyVT9n/Gg0P+WhoMmkjzlE3c6pp9NtWPu1yK33wWyuclgzmba:SGdVyVT9nOgmhZnlE3CnuN

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89.exe
    "C:\Users\Admin\AppData\Local\Temp\4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1480
    • 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:5048
      • 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:1636
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2788
    • 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:1488
    • C:\Users\Admin\AppData\Local\Temp\HD_4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89.exe
      C:\Users\Admin\AppData\Local\Temp\HD_4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:324
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4620
    • 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:2796
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2356
    • 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:4396
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240665671.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4232
    • 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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2548

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\HD_4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89.exe

        Filesize

        603KB

        MD5

        42486cc600e1d6c9056f73ad46005f50

        SHA1

        0f6fb259d662380544f2290fb0b584adb33407db

        SHA256

        36333b7252aa0a8c4762c8f7db9afb00c5b88bf706910de780965b7589364102

        SHA512

        dd3fca21c38985ea13842696c452ac40accb93cfc75d49dfe03f30ce2a422b743ecdb94eb58d771806de6113dd42f5e34ecf8f97aa8d919905286c576b0e0fbe

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

        Filesize

        1.7MB

        MD5

        e812622ed7698526f50dca54286386f7

        SHA1

        c16c6f3581fba34f5d78b8228cbc16fec9cfd4dd

        SHA256

        d202408d4eafd2ad6ab19c4dcd77b6dd7ab8668f8f704ff026c60b4cb2570d5b

        SHA512

        16c763d67fbc8ecc5734a97956baf853769b57d09b5cc3f6362e421a03e848bbce69ab4f29447ed2245e7f859b062fd1809265652a6750206aa38e708b89708e

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

        Filesize

        1.4MB

        MD5

        2d1e16ca83ad0712e2de5d0b077aa4e4

        SHA1

        5ead773309c45c81836bb6c473ea8a27bf87a2ca

        SHA256

        b5fa04d97acb062ccee00dc12430e865f6d1ef5253c9d0961b0b1fa7797a7c85

        SHA512

        83a4a4565c44a13948245cea71d9109238e716a244303bf36fc1ead42a321a9b6757f6454a153530fbf12fed577516c509a80409cd1756162be903d1aaa29d7b

      • 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\240665671.txt

        Filesize

        50KB

        MD5

        13c72fa9f5a98c7ef00602f7f30b913f

        SHA1

        32474e33d74df067a32c4cbad4c759a32ebb6972

        SHA256

        160b8941db26cc39e893dc461b0a3a6d2608387eef13cc036cadc064ad80633b

        SHA512

        cc10a8fdd605e5c8d8a2b5b0046753b07939a25c3d99a9a00321b96b1eadf4feff54679b7358777a15b15369721f4f5c09b488bfe41af578a634b5afd7fd7097

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

        Filesize

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/2796-42-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2796-41-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/2796-37-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4620-20-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4620-34-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4620-21-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4620-19-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4620-17-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/5048-32-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/5048-7-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/5048-8-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/5048-6-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/5048-4-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB