Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 18:33

General

  • Target

    a501d3ecfa7eacda2330562e59eb0b545f944aef98ce1eff73e0471ce2270967.exe

  • Size

    3.6MB

  • MD5

    cfdf2347d9fc489fa84dd9356b5be982

  • SHA1

    ef87beea54fd557c470c96cacda163f75dbab78c

  • SHA256

    a501d3ecfa7eacda2330562e59eb0b545f944aef98ce1eff73e0471ce2270967

  • SHA512

    d6b3c20995c1fecdf63cbe5d275d37d0f339f9d598d5f9a7e53aab66f50479f49ee120f30d5e97f6372589c1df7dfe5cb5e55118d9a887c09f6a2100b2aedf8b

  • SSDEEP

    49152:fQZAdVyVT9n/Gg0P+WholL90sc10F7H49vZU6X9nd7bs8BAcKYhzhn+8FPk6fH8r:YGdVyVT9nOgmhM90LvrhFnpMAckM

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
  • 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 8 IoCs
  • UPX packed file 13 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\a501d3ecfa7eacda2330562e59eb0b545f944aef98ce1eff73e0471ce2270967.exe
    "C:\Users\Admin\AppData\Local\Temp\a501d3ecfa7eacda2330562e59eb0b545f944aef98ce1eff73e0471ce2270967.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2444
    • 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:1784
      • 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:2816
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2756
    • 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:1372
    • C:\Users\Admin\AppData\Local\Temp\HD_a501d3ecfa7eacda2330562e59eb0b545f944aef98ce1eff73e0471ce2270967.exe
      C:\Users\Admin\AppData\Local\Temp\HD_a501d3ecfa7eacda2330562e59eb0b545f944aef98ce1eff73e0471ce2270967.exe
      2⤵
      • Executes dropped EXE
      PID:2648
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2620
    • 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:2660
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2704
    • 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:2580
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259395545.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.4MB

      MD5

      7d90a9d9887d9d4c016bd91d8a05141b

      SHA1

      e4618ebd758fd9b0f774cdbc5443a595d5898a89

      SHA256

      33b8325513bc7eee8577925fe0140a785573646cf7fd5e8128bae9ecdd4a9728

      SHA512

      66bcb7bdf293b07c71a475046a0663d6195e909a386a4cbeab66ffa750ddc10f284691dc585db05781639845bb5481005d3eec6989369357e990d24297c7abb1

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

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • \Users\Admin\AppData\Local\Temp\HD_a501d3ecfa7eacda2330562e59eb0b545f944aef98ce1eff73e0471ce2270967.exe

      Filesize

      2.3MB

      MD5

      0663891b7e18dfcc1db0bbdc2cea43c1

      SHA1

      c36f7dd2aeefae9ff2e1ad1e7cb7af3a1eca5232

      SHA256

      5132872c66d40fe4db990cca7de4f3063b5fafbb5c7bda466f0d34b2693d5239

      SHA512

      bc8f132d29c26fdd1b00fdbd7f6fb61bce1bb0f1ae4870b9642d5b1fade99ba5c10b2895019c97927711c144c7b01b4f9ace2879d540e5e7489cee295652e4be

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

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259395545.txt

      Filesize

      50KB

      MD5

      97ba5e29e5c320420e2b1f25fe581c31

      SHA1

      3ace85241e137207df9bd7a2f63529e051022d08

      SHA256

      34a57c1188b402184f2912615792577f97244a56eaa2c103fa01c08473e5925c

      SHA512

      dc67c7ff215292a97632b488ac3fbd8dee00eb06574c3eb169209767b93dd0c10e3e178a18421413068d1f75d7d16b5e9be53eda60083d90729d72aa27613f42

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1784-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1784-9-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1784-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1784-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1784-22-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2620-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2620-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2660-32-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2660-36-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2660-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2660-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2660-34-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2660-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB