Analysis

  • max time kernel
    157s
  • max time network
    162s
  • 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, 11:46

General

  • Target

    76cf960f8f6b804c27f0de49fd534dcf75c266d5b1db41c26f59794b469dc4a8.exe

  • Size

    5.8MB

  • MD5

    27a367e64aef65250239a768b429d34e

  • SHA1

    882f6d67574116348ac96b8a68e5fd0934f86a12

  • SHA256

    76cf960f8f6b804c27f0de49fd534dcf75c266d5b1db41c26f59794b469dc4a8

  • SHA512

    80aed76154784b6cdae4d81696aafd6544dd74eaddbac97ef8135e879d5bc1c2ef3973d07e41e2a2d4c187e24e31a12107a387d72e7580615feb7df25d24e296

  • SSDEEP

    98304:AqVQ4tml/iUm4XHb8vFtYkQUrSz9rAmLJHORm6UJamI3LeojzZARZpkAdcc6IjWF:/J+jX7oDvrSpru+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\76cf960f8f6b804c27f0de49fd534dcf75c266d5b1db41c26f59794b469dc4a8.exe
    "C:\Users\Admin\AppData\Local\Temp\76cf960f8f6b804c27f0de49fd534dcf75c266d5b1db41c26f59794b469dc4a8.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3712
    • 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:1948

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/1948-4015-0x0000000076AD0000-0x0000000076C70000-memory.dmp

    Filesize

    1.6MB

  • memory/1948-140-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1948-141-0x00000000754A0000-0x00000000756B5000-memory.dmp

    Filesize

    2.1MB

  • memory/1948-6025-0x00000000764A0000-0x000000007651A000-memory.dmp

    Filesize

    488KB

  • memory/1948-13210-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1948-13211-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1948-13213-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1948-13214-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1948-13215-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/1948-13218-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/3712-135-0x00000000029D0000-0x00000000029D1000-memory.dmp

    Filesize

    4KB

  • memory/3712-134-0x00000000029D0000-0x00000000029D1000-memory.dmp

    Filesize

    4KB

  • memory/3712-5730-0x00000000029D0000-0x00000000029D1000-memory.dmp

    Filesize

    4KB