Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 18:37

General

  • Target

    b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe

  • Size

    3.6MB

  • MD5

    94070bf7e88439c4f46d45a00756b11c

  • SHA1

    761b39348c98db518bb8ec1e6f73aef350ab604c

  • SHA256

    b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08

  • SHA512

    9e4437371291505309370118fb35a6fa6fc9fbab55cb71da07757e2c7fa782924bfd146636efd48f8bd9735e046d112842bb1ea1e21909401ce9360cf0380f8d

  • SSDEEP

    98304:NGdVyVT9nOgmhONCKK1KKK1KKKHXX0fEojPKYTdlm6JBAUZLB:KWT9nO7a0X0pLLJVl

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 9 IoCs
  • UPX packed file 33 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 7 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe
    "C:\Users\Admin\AppData\Local\Temp\b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2860
    • 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:2960
      • 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:2692
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2468
    • 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:2192
    • C:\Users\Admin\AppData\Local\Temp\HD_b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:524
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2608
    • 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:2448
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:1964
    • 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:1644
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259416932.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2008

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.3MB

      MD5

      57eec3867bfa4bbbe532900163bdcf66

      SHA1

      f2ee1d2bd895c6add491e94b903bf7c7e8baec97

      SHA256

      2228f8f21137d49443774dc86998663e839f0015e374d439c195a523afa39d37

      SHA512

      69ed246fdaddc4b49b3fc97fb80c584b0d9652d784e695bf11d8d4a7f717a41e34542fa50b2c28ebc07c03c22c09a097b0797165fbdfa1262116977420e16bcc

    • \Users\Admin\AppData\Local\Temp\HD_b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe

      Filesize

      2.3MB

      MD5

      30f8d7f450a69aae17bfc82e5e5b094c

      SHA1

      6a767bfef64f9d5d86f198eb01ac6eedcfb2f673

      SHA256

      909b744abe647859f4e2a41b48f62aea0e6ac1aa7c2cf89fd4897f5fcc69522c

      SHA512

      32025ceb0229d77bd7850ccbf1ce8b51014421ca8621be067341984e595b8226df3fd4d75731a1dfa9bdf05501a399651c3da8e28f268999384b453e8cb8547e

    • \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\259416932.txt

      Filesize

      50KB

      MD5

      81fead3ff2933c9ec505ebce02516c34

      SHA1

      2f45d47aa8f6165a6d74a5f0f47a2e1963122c69

      SHA256

      6051848a5a1e53157879782acce4d6866d63ba0857eaea1b4f54169e9169ac9e

      SHA512

      b549cd05ba9a93eda4d690571793bcfbcd37dc4d66be0a34ca3e01d2636e4d2e1b6d19c4800ce7e24c637c71e447e90b515489d3c8c075bdaa316901b5119094

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/524-116-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-114-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-98-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-101-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-102-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-104-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-106-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-110-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-67-0x0000000010000000-0x0000000010041000-memory.dmp

      Filesize

      260KB

    • memory/524-112-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-108-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-142-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-140-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-138-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-136-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-135-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-132-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-130-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-128-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-126-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-124-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-122-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-120-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/524-118-0x0000000000390000-0x00000000003CE000-memory.dmp

      Filesize

      248KB

    • memory/2448-41-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2448-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2448-36-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2608-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2608-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2960-9-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2960-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2960-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2960-22-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2960-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB