Analysis

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

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 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
  • 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 38 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 7 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe
    "C:\Users\Admin\AppData\Local\Temp\fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4856
    • 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:628
      • 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:1496
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1396
    • 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:1320
    • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4464
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4364
    • 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:4788
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:5024
    • 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:4676
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240601062.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:18180

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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\HD_fbb953ab36511152266202f07f5d2ad1dbef1b62cc944a402b692f7eba49c3dc.exe

      Filesize

      3.2MB

      MD5

      6a023d4c685370a396c1eb880a528c5e

      SHA1

      ed44726a1f7eda4c4353456b4911a454685b63bb

      SHA256

      23eca09c42fbee68be53cf7493d15ab30941eef7e760f73e0a2365bd152fff94

      SHA512

      d926e8fb33354ee2d502330b0c70fb3f244f8f0f6316ac7c10707c9ee978c490ce1557ba06eb724ebb9976e11f7e29bf9055a2da9b139914bbc61d31839d9a7b

    • 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\240601062.txt

      Filesize

      50KB

      MD5

      2188e86c919ad3e45b0ec16328143ea9

      SHA1

      55092dfbbb57f998e7d886228bee376e617a4b85

      SHA256

      37cf2c0924521ba1d7e864cf24cc0e7120e8d592cea7edb55d282adb1f12971c

      SHA512

      c921b318bee19907faf8f0ed96adb925fdbb1661c10feeebf7a36141b3d7a0d9ee9ab4baa8f27f1f8a802bcb69b751b38579ca9fcaefa2f8d3f62c7afac4eae1

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/628-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/628-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/628-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/628-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4364-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4364-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4364-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4364-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4364-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4464-13121-0x0000000000400000-0x00000000009B2000-memory.dmp

      Filesize

      5.7MB

    • memory/4464-13120-0x0000000000400000-0x00000000009B2000-memory.dmp

      Filesize

      5.7MB

    • memory/4464-49-0x0000000000400000-0x00000000009B2000-memory.dmp

      Filesize

      5.7MB

    • memory/4464-50-0x0000000077310000-0x0000000077525000-memory.dmp

      Filesize

      2.1MB

    • memory/4464-3924-0x0000000076380000-0x0000000076520000-memory.dmp

      Filesize

      1.6MB

    • memory/4464-5933-0x0000000075B10000-0x0000000075B8A000-memory.dmp

      Filesize

      488KB

    • memory/4464-13186-0x0000000000400000-0x00000000009B2000-memory.dmp

      Filesize

      5.7MB

    • memory/4464-13169-0x0000000000400000-0x00000000009B2000-memory.dmp

      Filesize

      5.7MB

    • memory/4464-13119-0x0000000000400000-0x00000000009B2000-memory.dmp

      Filesize

      5.7MB

    • memory/4464-13118-0x0000000000400000-0x00000000009B2000-memory.dmp

      Filesize

      5.7MB

    • memory/4788-38-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4788-32-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4788-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4788-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB