Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 13:02

General

  • Target

    67bd60438c1d5066664da8b70b815aaf65177b98be42a44e01bb14db0d6396ff.exe

  • Size

    4.5MB

  • MD5

    0828b8a9c9f4cb5b541f5a4c4ac0be51

  • SHA1

    2279e1e3e63c3e6bcfa4a036156bce84279a723f

  • SHA256

    67bd60438c1d5066664da8b70b815aaf65177b98be42a44e01bb14db0d6396ff

  • SHA512

    ae8a156722af167e33e3b5ecfb7d8e513cb13a89d274e82e986d1d79314f66b5f58973b6ade91d324476fd51a6e64fe8c76dd155ba8b27d9ee75e5f8c080d9d9

  • SSDEEP

    98304:8GdVyVT9nOgmhDILDmn220f6ijFULXeeDihnYcMoe0Ig:jWT9nO7+vmnX0fzjS9DSYcPOg

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 9 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\67bd60438c1d5066664da8b70b815aaf65177b98be42a44e01bb14db0d6396ff.exe
    "C:\Users\Admin\AppData\Local\Temp\67bd60438c1d5066664da8b70b815aaf65177b98be42a44e01bb14db0d6396ff.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1988
    • 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:2100
      • 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:2736
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2568
    • 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:2604
    • C:\Users\Admin\AppData\Local\Temp\HD_67bd60438c1d5066664da8b70b815aaf65177b98be42a44e01bb14db0d6396ff.exe
      C:\Users\Admin\AppData\Local\Temp\HD_67bd60438c1d5066664da8b70b815aaf65177b98be42a44e01bb14db0d6396ff.exe
      2⤵
      • Executes dropped EXE
      PID:2520
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2600
    • 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:2748
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2308
    • 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:2620
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259394203.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1644

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\VideoLAN\VLC\vlc.exe

      Filesize

      2.6MB

      MD5

      7d46b73652015e0ed33bc5ed9e7a425e

      SHA1

      3aabe70942b1b17b167babe8bc9efb5ddec5d681

      SHA256

      a40ba3582822c44cba593359e4c643a18f942aae8d6fc4737cac91f271387583

      SHA512

      d640bb045f00a0bae9ccdcb107c9ced5a03de73e6efa0841cda962fc1367efa24a129ae5dc23a5485db45be1b32c2a1e1aaef2ce2e024e7113322f075d410699

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

      Filesize

      1.6MB

      MD5

      6fe8baf37adedfe598c1f5ae517219bd

      SHA1

      826a3fb6c24942633e59b67e78c3a8ef6f1c2845

      SHA256

      ae3c2fecbbfbb160ed9bd9f87443c45f6aecce528d7595921c40b0277ac3bc81

      SHA512

      9438c023d54f34e90ccd70d4f9f0717bd5c10cdfd3e374eec211035230c820c4a6512528f6682cbd4801fd77e762f5ddf86d8c115372af35c3529031b9be56d7

    • \Users\Admin\AppData\Local\Temp\HD_67bd60438c1d5066664da8b70b815aaf65177b98be42a44e01bb14db0d6396ff.exe

      Filesize

      2.9MB

      MD5

      42ec481a7599902174e2afddd721e6da

      SHA1

      1e33b1874ca945e5db6b10187c2ea4e40c24a71d

      SHA256

      3d52b26d86e7bf1bd839843bee8f769c0ec36bd964d237885638b6ded0abb1e4

      SHA512

      763e5b9c75be999b8e58090a1fa86ddb40f72f02cbaa4d0aff31254a6b27491198bb7b3cd0e97d918c95e3c2ec4d3010d5cb052987d0f86bf115fc767d976c14

    • \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\259394203.txt

      Filesize

      50KB

      MD5

      fe1cf2ff78e424cdd5e4d6cd0a7fa9e3

      SHA1

      56e12c7d3ca2dac9ce79a2eea784b3ffd1736ba9

      SHA256

      86f62e58767f6d4792a413dada65e126424097c860e7dac701dc20f3d5360438

      SHA512

      383fd912250b69fa0262b5544bd22037f58b0c7d1ee8bfb4bff2be1384dd2b3c57055becc87792ba719b56e7634601405c3c3004d28afbf6d9a5f2d985a9f525

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2100-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2100-24-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2748-53-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2748-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2748-41-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB