Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 18:19

General

  • Target

    a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

  • Size

    2.1MB

  • MD5

    97c2f5ddfcd75fc6d0373405618256c7

  • SHA1

    a378f415ab92c3b56b696a2b3a34eb8caea06fbf

  • SHA256

    a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b

  • SHA512

    3842dec029ddcd45d45994fa0d4235598bf0bfb63172b654b64612418523bbec6641d343122ca3aecbc44dc4e59fdf3e8a0771bbc13ad02b6caf6f3691f8a375

  • SSDEEP

    49152:fQZAdVyVT9n/Gg0P+Who40L1RjvQoIUwiz:YGdVyVT9nOgmhB0ZRjYi

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
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 IoCs
  • UPX packed file 12 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 3 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 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
    "C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1676
    • 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:1948
      • 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:2148
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2560
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2568
    • C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
      C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
        "C:\Windows\Temp\{709D9B13-42D7-4D9E-A32E-D22AD83B0C7A}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2444
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1284
    • 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:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.4MB

    MD5

    296ab41bd0c1ebaf6df4342b048cb9da

    SHA1

    b731facd26f40aff2afe3373273674b44a3f43ba

    SHA256

    3aacd468a9c8313257868679aad03762e4cb278aef3200ffea24e657dc770add

    SHA512

    c3f7820a9c8f61d40e935bb47aef7364b4be0c71c7824a9d8171e66a8fe51a463301befa3bb97ffab113220e2cd760062ae7472204cbd867316705d551476f7e

  • C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe

    Filesize

    632KB

    MD5

    6065c118c0500bbe46ef7d7e16765d9d

    SHA1

    e6c8771c583f8b0cb0be72f01ea8f166bb979637

    SHA256

    68ae62ac88f4974b09729f6b78cea6e1c478af8a93341a3b4e4b03fd723e828b

    SHA512

    a5790e2e3232f851a896b3c835f9e9280b768c6444219b3f49a5f463c547b3d6d4e8321419d7250cb5da663739d6b7dea1b90e1c9c36435e36b903efdae33466

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

    Filesize

    93KB

    MD5

    3b377ad877a942ec9f60ea285f7119a2

    SHA1

    60b23987b20d913982f723ab375eef50fafa6c70

    SHA256

    62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

    SHA512

    af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

  • C:\Windows\Temp\{A6834A3B-B595-4829-9946-42FEE182C5A4}\.ba\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

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

    Filesize

    377KB

    MD5

    a4329177954d4104005bce3020e5ef59

    SHA1

    23c29e295e2dbb8454012d619ca3f81e4c16e85a

    SHA256

    6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

    SHA512

    81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

  • \Windows\SysWOW64\259399663.txt

    Filesize

    50KB

    MD5

    10b74097db214695351f8f7e5b2994a3

    SHA1

    289a46ca4b8315f61bf19f916350af900d0699aa

    SHA256

    cca4a301e3ff07dd987e4c8ab45fc9cbfcc34af556b4e66dd2e1a642c6acd932

    SHA512

    44d053093008b929f2b3fbdbc3ed0e6dc6e6004f9dbb35da780a97975d94aed1a4833ec410d1b67becc7cf53ad654b0cb5d3fbfaab78cfbc6119b9460dc2aca9

  • \Windows\Temp\{A6834A3B-B595-4829-9946-42FEE182C5A4}\.ba\wixstdba.dll

    Filesize

    191KB

    MD5

    eab9caf4277829abdf6223ec1efa0edd

    SHA1

    74862ecf349a9bedd32699f2a7a4e00b4727543d

    SHA256

    a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

    SHA512

    45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

  • memory/1284-30-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1284-23-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1948-8-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1948-9-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1948-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1948-5-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2872-33-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2872-44-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2872-70-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2872-39-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2872-31-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2872-34-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB