Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 18:27

General

  • Target

    fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe

  • Size

    4.4MB

  • MD5

    b7f3346046325f03217779df0c582063

  • SHA1

    bd392177e760fb6dfa6516ac147d30a6518492b5

  • SHA256

    fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc

  • SHA512

    e18c5a5f3e9a28bd5e0682e76420d072eed6fa4d13e235375a0d81c57701e152847368cc20108e537dad5e39a9bc04119da7ed8c7c49f08981ca004dc953dca6

  • SSDEEP

    98304:KGdVyVT9nOgmhHWvL5gpBXTHTRVM6JHBjtLUqlvP:5WT9nO7gz6nxVpBjtIAP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 6 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 37 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe
    "C:\Users\Admin\AppData\Local\Temp\fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2348
    • 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:1676
      • 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:2304
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2580
    • 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:2516
    • C:\Users\Admin\AppData\Local\Temp\HD_fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe
      C:\Users\Admin\AppData\Local\Temp\HD_fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Modifies Internet Explorer settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2412
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2896
    • 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:2752
    • 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:2444
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259393439.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1456

    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

      1c6b24992141d96f9bbb92c3363736ea

      SHA1

      4814052d99af5e9e25e5c202d26798e0bc18c004

      SHA256

      f56f96a84b1f94797a5f755b53bfe1c3df29753e212e618e677f9cff914d3827

      SHA512

      d24c8076b2cbf614d05ba9315d2d6bf4774c1cd28c2ae2c725b5ce1889bbc6ea5b9daadc371167d1ea5b2c6de1ebfc57e0fa6630f113eda2330c0dba6b4b7e01

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

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • \Users\Admin\AppData\Local\Temp\HD_fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe

      Filesize

      3.2MB

      MD5

      6a023d4c685370a396c1eb880a528c5e

      SHA1

      ed44726a1f7eda4c4353456b4911a454685b63bb

      SHA256

      23eca09c42fbee68be53cf7493d15ab30941eef7e760f73e0a2365bd152fff94

      SHA512

      d926e8fb33354ee2d502330b0c70fb3f244f8f0f6316ac7c10707c9ee978c490ce1557ba06eb724ebb9976e11f7e29bf9055a2da9b139914bbc61d31839d9a7b

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

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259393439.txt

      Filesize

      50KB

      MD5

      2188e86c919ad3e45b0ec16328143ea9

      SHA1

      55092dfbbb57f998e7d886228bee376e617a4b85

      SHA256

      37cf2c0924521ba1d7e864cf24cc0e7120e8d592cea7edb55d282adb1f12971c

      SHA512

      c921b318bee19907faf8f0ed96adb925fdbb1661c10feeebf7a36141b3d7a0d9ee9ab4baa8f27f1f8a802bcb69b751b38579ca9fcaefa2f8d3f62c7afac4eae1

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1676-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1676-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1676-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1676-9-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2348-51-0x0000000003020000-0x00000000035D2000-memory.dmp

      Filesize

      5.7MB

    • memory/2412-903-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-875-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-873-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-879-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-883-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-887-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-53-0x0000000000400000-0x00000000009B2000-memory.dmp

      Filesize

      5.7MB

    • memory/2412-54-0x00000000756E0000-0x0000000075727000-memory.dmp

      Filesize

      284KB

    • memory/2412-869-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-867-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-865-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-864-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-871-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-877-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-885-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-897-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-905-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-889-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-881-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-895-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-909-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-907-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-891-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-901-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-899-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2412-893-0x00000000028E0000-0x00000000029F1000-memory.dmp

      Filesize

      1.1MB

    • memory/2632-34-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2632-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2632-33-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2632-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2632-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2632-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2896-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2896-27-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB