Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 01:44

General

  • Target

    71f7ba515bb6b52859811438e8a6ce34ebc1e143f4310f56a7c63ca9353dd5d8.exe

  • Size

    1.5MB

  • MD5

    567319a0803abd6a3ad6801ddc5b9c85

  • SHA1

    389fce156c9987124202b1b1ddc323bc8bd794f6

  • SHA256

    71f7ba515bb6b52859811438e8a6ce34ebc1e143f4310f56a7c63ca9353dd5d8

  • SHA512

    fe584809009f6ba5ba65364ee356c6ea939a6529c54df929252f2d78a1dfd30ab6e4edf8ad39cf7b8794dae18d06709dd544f16967aa5cd09737ed60ae764a26

  • SSDEEP

    24576:lxZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVmV1Dfun2ilDMT:lxZAdVyVT9n/Gg0P+WhonDmn2ii

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 DLL path for service in the registry 2 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
  • 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\71f7ba515bb6b52859811438e8a6ce34ebc1e143f4310f56a7c63ca9353dd5d8.exe
    "C:\Users\Admin\AppData\Local\Temp\71f7ba515bb6b52859811438e8a6ce34ebc1e143f4310f56a7c63ca9353dd5d8.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1744
    • 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:2528
      • 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:2820
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2456
    • 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:2600
    • C:\Users\Admin\AppData\Local\Temp\HD_71f7ba515bb6b52859811438e8a6ce34ebc1e143f4310f56a7c63ca9353dd5d8.exe
      C:\Users\Admin\AppData\Local\Temp\HD_71f7ba515bb6b52859811438e8a6ce34ebc1e143f4310f56a7c63ca9353dd5d8.exe
      2⤵
      • Executes dropped EXE
      PID:2496
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2584
    • 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:2816
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2620
    • 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:2616
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259396637.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2224

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1.5MB

      MD5

      4ea5869450169102db09089b48cafd70

      SHA1

      16f6347a5d0f4024b8ec3caa7a9410f9acf729f3

      SHA256

      047ee2967e8a16fe6da0ea6f20f8becee5f64cae1f9624e03bfc9340da22db29

      SHA512

      8c7553922089e735c384f8ccb4baec1a75f3c6835d333c8c2dedd83304a3800dcdedda03c0b61a3f26a50e827e7860e5f0198b5126e99712306d45d6766c1ae2

    • \Users\Admin\AppData\Local\Temp\HD_71f7ba515bb6b52859811438e8a6ce34ebc1e143f4310f56a7c63ca9353dd5d8.exe
      Filesize

      60KB

      MD5

      7801c5d664d74dd2db07b17b21bfae86

      SHA1

      a43b00f642617db9a05bce97d393ee3423bd4919

      SHA256

      5ddcba68c77650ea7f9f2b16a58b9e3e54461c5319ee7cc6612d87c61ba5b06e

      SHA512

      07576f4ade202b0fac789f568a0e8382fedf00eb6e2df06a7af8c8c8cbb3d787db571cad0ecadbc4d6e3a38c9b1d63d01500e0aca3ef318563abc92cf5b5b528

    • \Users\Admin\AppData\Local\Temp\svchos.exe
      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259396637.txt
      Filesize

      50KB

      MD5

      7466ac6453140bc6355510b5392df841

      SHA1

      8ae085ae0bfe19f33118d541258529136d19e96e

      SHA256

      23c5011c0fc1f2966c097d70670d14a55e10d9c2e0e167f061dcc8079ef522b3

      SHA512

      a070cd777c82e84ba68690368fcad53d39e7d215b0ccef1dbe55300bff8d949fc82ac654dc197145f90b527bfd4aa55b493fdd98d73a6c69c2a8fd0a604af086

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

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2528-8-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2528-9-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2528-7-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2528-5-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2584-27-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2584-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2816-31-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2816-29-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2816-37-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2816-32-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2816-35-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2816-51-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB