Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 05:27

General

  • Target

    8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe

  • Size

    683KB

  • MD5

    3c18e92b342ee0899db68f2f80bf1585

  • SHA1

    04f9ddbcfe58580295c9de966c1b752302b9703d

  • SHA256

    8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa

  • SHA512

    6b90c0e3c428117c5325aaa7e47edc9d0392140e8eff8ff0541acaf1593dfde90ded4340ca5bb9baed1895283ede5386364f94481aaac7dce5941e0663210dd8

  • SSDEEP

    12288:FIZIJ8lG4fIFE+wM0QUeW/AxKD1pH6tKpjAriCACE1ppp/3GxmP1xoM+/hXB1gjU:SZIJ8lG4fIFEhM54IEP/CACCh2IfM5Xv

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe
    "C:\Users\Admin\AppData\Local\Temp\8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\3333333.exe
      "C:\Users\Admin\AppData\Local\Temp\3333333.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1696
    • C:\Users\Admin\AppData\Local\Temp\JDNumberScreen.exe
      "C:\Users\Admin\AppData\Local\Temp\JDNumberScreen.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 584
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2288
  • C:\Program Files (x86)\Microsoft Wiceuk\Gaagmqi.exe
    "C:\Program Files (x86)\Microsoft Wiceuk\Gaagmqi.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\3333333.exe

    Filesize

    748KB

    MD5

    94febfb790dd667281a39ef721223eb8

    SHA1

    e6a1463b4efab77eb49f4f50657af3299647cf43

    SHA256

    491058d241900b54024e2182de42fac9cbf648922a69a757348689195f7da75f

    SHA512

    4c247a7acda401f38eeb9a248fa93bcb12e2d55f8c884fef6f8fd0c48a583763903dea43444994e3301f931326be3101b735cfea39af712c87bf4785c668466b

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

    Filesize

    829KB

    MD5

    fd50dbca6ccc3242a53ce06c6814d784

    SHA1

    bc5603f3e30bd8b6839e2694b034a8545ef71d4f

    SHA256

    95e63537cacbbcc50c9041c8bab2cc772220a0ef994f246e4734b17d6f73c203

    SHA512

    f4f71f6d67169fe13c0a68e03594a9e97bdb09e7ec1adceeb923276f295c4820b70b2d2336618d68c06c689508ea96a0db14475cc3f6023a0bb8eee953a94cef

  • memory/1696-17-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/1960-20-0x00000000011B0000-0x0000000001304000-memory.dmp

    Filesize

    1.3MB

  • memory/2224-0-0x0000000000220000-0x00000000002CC000-memory.dmp

    Filesize

    688KB