Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 06:19

General

  • Target

    941e19a79c272a3c71548ec12de900328af87a3ed7f4b63836a2685cd1fe87cc.exe

  • Size

    4.5MB

  • MD5

    9721ca89fd28c31abb70ce8225de2f52

  • SHA1

    78db29705d5eec96c1ea868fd63a7d7474a36bdb

  • SHA256

    941e19a79c272a3c71548ec12de900328af87a3ed7f4b63836a2685cd1fe87cc

  • SHA512

    0faba8c29ebd45d77873b1e6e72595197a2a5e5401d0a14d1f9693da8ae5e086942327c2c4460783d2fdfbdeddcf52b1e2115b0e906b551e7eb21b64562db52a

  • SSDEEP

    98304:EGdVyVT9nOgmhA6QleFN5r6YqPyZ6Aaaz0r3M93:7WT9nO7rseFrGYqPysATo3M93

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 15 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 22 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\941e19a79c272a3c71548ec12de900328af87a3ed7f4b63836a2685cd1fe87cc.exe
    "C:\Users\Admin\AppData\Local\Temp\941e19a79c272a3c71548ec12de900328af87a3ed7f4b63836a2685cd1fe87cc.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3008
    • 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:4792
      • 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:2592
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:468
    • 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:3228
    • C:\Users\Admin\AppData\Local\Temp\HD_941e19a79c272a3c71548ec12de900328af87a3ed7f4b63836a2685cd1fe87cc.exe
      C:\Users\Admin\AppData\Local\Temp\HD_941e19a79c272a3c71548ec12de900328af87a3ed7f4b63836a2685cd1fe87cc.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Users\Admin\AppData\Roaming\FSCapture\FSCapture.exe
        "C:\Users\Admin\AppData\Roaming\FSCapture\FSCapture.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:3488
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1496
    • 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:1544
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:640
    • 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:1284
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240595406.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4448

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_941e19a79c272a3c71548ec12de900328af87a3ed7f4b63836a2685cd1fe87cc.exe

      Filesize

      3.2MB

      MD5

      d9866ec979b7593951ca07c0b6fad100

      SHA1

      56e4328b089a7e9725672117f4bf84b1cb6f5a6e

      SHA256

      0a92bc22f03a8a63d909855d4173213c933349ea2f56a44b777d0de4cfe063e1

      SHA512

      3468b0bbc74ee4927ac48d970fd810eb835a856df3592c74e0e2620376d4897f4867fd8f023165285dfe104bb289f3ce5812890eeafa86612b18993fb73de304

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

      Filesize

      1.3MB

      MD5

      982d372728915813ccbe368d82f79368

      SHA1

      3e564d1bd54e131d3014331e4b5b060afd4fe29b

      SHA256

      e539a10f2e6b354a073a516a2342d317e3dc80fda4327481b327b716a2535535

      SHA512

      88584fccd51684894de6029e8fcde8ec77652c84dfeadd1b923e81ac7cc58dd6c01d2ab5d9c130d7cd830e31f8cc01b2e78016177898f32bfd547932b353c5cf

    • 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:\Users\Admin\AppData\Roaming\FSCapture\FSCapture.exe

      Filesize

      6.4MB

      MD5

      20a65f4183b1c0f99facb9ef6769ae20

      SHA1

      0189eae4fec2c66125806ee5e5ebb9bcd02575a9

      SHA256

      cd823f3befec3ae789e441c7439630883fa2e35bf68907f31773c7dfdee7eeef

      SHA512

      29dec51e47dc796b6ca7e36c27f96e3e38d96dd6eb313f81e5efe26f703ebaa0757588fb1d1da341592f388a36ae64c711b48d814967ee213590d73c99dd7727

    • C:\Users\Admin\AppData\Roaming\FSCapture\Languages\FSC02.fslang

      Filesize

      174KB

      MD5

      d941f6676e2818e64717129b70e657b7

      SHA1

      946bb72b50e785a6aa0c72c4067c3458fe067883

      SHA256

      41082b4281c2b93b12502583a6baacad91eebe56b0ca6132d2cfbc724586898a

      SHA512

      1727439bed9a7e3a05a76e47260ea1ef3897b9ca9a1df9c38965155da76af4c8f214a4c6ab6ba56c7f748656d5854416c2db481efe155e761147b29e1f776925

    • C:\Users\Admin\AppData\Roaming\FSCapture\fsc.db

      Filesize

      7KB

      MD5

      52f3d26e6c836f88eaecc3c48de1f971

      SHA1

      931cf495a96b77281ec18a3bbeca3f3e984d0c3e

      SHA256

      5ce4868d1ad343b459cc56a89e8e0a7fd4584ed9216b9e3bcec8ce81df987df5

      SHA512

      be7cf4c719c9231f44c23bc3e031b17381d1d73209a74aa6f3434fe3746d0cd333e846e2c94e0ad9f16b0e39695a39d411482bf8a1f337e75aee679c27b8f6ce

    • C:\Windows\SysWOW64\240595406.txt

      Filesize

      50KB

      MD5

      bba0806280ad8eea926fe1439421dcbd

      SHA1

      c69ca455e62ba85880f6cedaaa77869f69c9cd1e

      SHA256

      65ed63b411366bd68732c77a7c3dd4809b543557ee8507bc2bcfb73d38439285

      SHA512

      225e39069284e656e40ec83583ddcc131d5de30483e405c7f21cd059d635fd6f3e7cec4e647b34bff40185be4f622ea85b0bb59977f3c3cfe3aac96254a63070

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/1496-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1496-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1496-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1496-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1496-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1544-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1544-45-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1544-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1544-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3488-128-0x0000000000400000-0x0000000000A69000-memory.dmp

      Filesize

      6.4MB

    • memory/4064-49-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/4792-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4792-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4792-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4792-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB