Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2023 11:35

General

  • Target

    44a221fb44f8aaf015c6998c6909a4a57dac0735d7fae2e607bf53779d0236d5.exe

  • Size

    5.8MB

  • MD5

    f5c5ce3c6754aa7335b75f2269f2d104

  • SHA1

    fe89de0079e21787876eff14287b34ff7fdd3af7

  • SHA256

    44a221fb44f8aaf015c6998c6909a4a57dac0735d7fae2e607bf53779d0236d5

  • SHA512

    c7af90bb9c07e43378b93ecd17dbc43e1d1462270f854816968915b90056482835fe2b36375b79772ba4c420f817d8a1a60cf71182893fc29151b4a16918b7d9

  • SSDEEP

    98304:AqVQ4tml/iUm4XHb8vFtYkQJrSz9rAmLJHORm6UJamI3LeojzZARZpkAdcc6IjWF:/J+jX7oDarSpru+W3KMZkvdagNXhJs0I

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44a221fb44f8aaf015c6998c6909a4a57dac0735d7fae2e607bf53779d0236d5.exe
    "C:\Users\Admin\AppData\Local\Temp\44a221fb44f8aaf015c6998c6909a4a57dac0735d7fae2e607bf53779d0236d5.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\GameLoadep.exe
      C:\Windows\GameLoadep.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:5024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\GameLoadep.exe

    Filesize

    864KB

    MD5

    645a7e5dc4adc68141447b01cb9cec49

    SHA1

    2f83beeb3031aa238c8eba4ae04398ff38274780

    SHA256

    76931bce0663f68f95a46414d389042181c690749eed44cb09aae325a0b9ef17

    SHA512

    fdf56fcacc1b43c94bd2811ad3926706f7382fc1d3e20c58b050cf254019c3b6226d0ffa8d4ba6aec259d3a99cb63d06d02156dd6dabab59b91418ba462885de

  • C:\Windows\GameLoadep.exe

    Filesize

    864KB

    MD5

    645a7e5dc4adc68141447b01cb9cec49

    SHA1

    2f83beeb3031aa238c8eba4ae04398ff38274780

    SHA256

    76931bce0663f68f95a46414d389042181c690749eed44cb09aae325a0b9ef17

    SHA512

    fdf56fcacc1b43c94bd2811ad3926706f7382fc1d3e20c58b050cf254019c3b6226d0ffa8d4ba6aec259d3a99cb63d06d02156dd6dabab59b91418ba462885de

  • memory/1800-134-0x00000000029D0000-0x00000000029D1000-memory.dmp

    Filesize

    4KB

  • memory/1800-135-0x00000000029D0000-0x00000000029D1000-memory.dmp

    Filesize

    4KB

  • memory/1800-6074-0x00000000029D0000-0x00000000029D1000-memory.dmp

    Filesize

    4KB

  • memory/5024-4015-0x0000000076E20000-0x0000000076FC0000-memory.dmp

    Filesize

    1.6MB

  • memory/5024-141-0x00000000773B0000-0x00000000775C5000-memory.dmp

    Filesize

    2.1MB

  • memory/5024-6024-0x0000000076930000-0x00000000769AA000-memory.dmp

    Filesize

    488KB

  • memory/5024-140-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5024-13210-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5024-13211-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5024-13213-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5024-13214-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/5024-13215-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/5024-13218-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB