Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-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 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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 8 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 4 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 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89.exe
    "C:\Users\Admin\AppData\Local\Temp\4f0496ea9db03a9c2e23631ec79dc6491c6040ba83adb6a91d261cfe4b3a0f89.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2288
    • 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:2604
      • 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:2716
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2124
    • 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:2672
    • 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:2640
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2228
    • 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:2736
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:1676
    • 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:2576
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259392955.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • 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\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

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

      Filesize

      603KB

      MD5

      42486cc600e1d6c9056f73ad46005f50

      SHA1

      0f6fb259d662380544f2290fb0b584adb33407db

      SHA256

      36333b7252aa0a8c4762c8f7db9afb00c5b88bf706910de780965b7589364102

      SHA512

      dd3fca21c38985ea13842696c452ac40accb93cfc75d49dfe03f30ce2a422b743ecdb94eb58d771806de6113dd42f5e34ecf8f97aa8d919905286c576b0e0fbe

    • \Windows\SysWOW64\259392955.txt

      Filesize

      50KB

      MD5

      13c72fa9f5a98c7ef00602f7f30b913f

      SHA1

      32474e33d74df067a32c4cbad4c759a32ebb6972

      SHA256

      160b8941db26cc39e893dc461b0a3a6d2608387eef13cc036cadc064ad80633b

      SHA512

      cc10a8fdd605e5c8d8a2b5b0046753b07939a25c3d99a9a00321b96b1eadf4feff54679b7358777a15b15369721f4f5c09b488bfe41af578a634b5afd7fd7097

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2228-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2604-12-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2604-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2604-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2604-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2736-34-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2736-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2736-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB