Analysis

  • max time kernel
    151s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2023 11:54

General

  • Target

    fc35c92c7990c972e2e54428788ae4e60eed5e27d09074429349e76784bd7dfc.exe

  • Size

    5.8MB

  • MD5

    2776724a45ac3cb2b8f86dd29a40374e

  • SHA1

    8c199252cc0c6e4123cb9b506685da98ddb1a212

  • SHA256

    fc35c92c7990c972e2e54428788ae4e60eed5e27d09074429349e76784bd7dfc

  • SHA512

    48ee3572affd1cc2a70d756a3b1afe9a9608cec1654b88c9c0b10e9acb5bd66dad38630dd085e4ae529ece12681d6063ebed86740ca948685aab66b46a248aab

  • SSDEEP

    98304:egEI4LQQ/QUm4XHb8vFtYkQYrSz9rAmLJHORm6UJamI3LeojzZARZpkAdcc6IjWF:LqPjX7oD5rSpru+W3KMZkvdagNXhJs0I

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc35c92c7990c972e2e54428788ae4e60eed5e27d09074429349e76784bd7dfc.exe
    "C:\Users\Admin\AppData\Local\Temp\fc35c92c7990c972e2e54428788ae4e60eed5e27d09074429349e76784bd7dfc.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Windows\GameLoadep.exe
      C:\Windows\GameLoadep.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1304
  • C:\Program Files (x86)\Terms.exe
    "C:\Program Files (x86)\Terms.exe"
    1⤵
    • Executes dropped EXE
    PID:936

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Terms.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

  • 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/936-4833-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-504-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-497-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-475-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-476-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-477-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-472-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-478-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-479-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-480-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-481-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-482-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-483-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-484-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-485-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-487-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-486-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-488-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-489-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-490-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-491-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-492-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-494-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-493-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-496-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-495-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-513-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-500-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-498-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-499-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-502-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-501-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-503-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-505-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-506-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-507-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-473-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-508-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-509-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-65-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-5120-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-474-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-512-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-515-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-516-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-514-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-518-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-517-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-519-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-520-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-523-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-521-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-522-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-524-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-527-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-525-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-526-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-528-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-529-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-530-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-531-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-532-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-534-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-533-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-1601-0x0000000001E00000-0x0000000001F00000-memory.dmp

    Filesize

    1024KB

  • memory/1304-1603-0x0000000001F90000-0x0000000002111000-memory.dmp

    Filesize

    1.5MB

  • memory/1304-511-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-510-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-66-0x0000000076E10000-0x0000000076E57000-memory.dmp

    Filesize

    284KB

  • memory/1304-4827-0x0000000001E00000-0x0000000001F00000-memory.dmp

    Filesize

    1024KB

  • memory/1304-4822-0x0000000002240000-0x0000000002351000-memory.dmp

    Filesize

    1.1MB

  • memory/1304-4823-0x0000000002360000-0x0000000002461000-memory.dmp

    Filesize

    1.0MB

  • memory/1344-64-0x0000000003430000-0x000000000354F000-memory.dmp

    Filesize

    1.1MB

  • memory/1344-63-0x0000000003430000-0x000000000354F000-memory.dmp

    Filesize

    1.1MB

  • memory/1344-61-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/1344-62-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/1344-3004-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/1344-5119-0x0000000003430000-0x000000000354F000-memory.dmp

    Filesize

    1.1MB