Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 11:11

General

  • Target

    14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe

  • Size

    386KB

  • MD5

    7dc5ac82bb6ad9349aa264cf21b89f87

  • SHA1

    61904ea7be46eaf3749136d4095b1f158b8d70aa

  • SHA256

    14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc

  • SHA512

    6223155c9ef7b79077b2d6f83f28c89dfa2fc6c8bec2a8ba9dccd8f5718139ea243ca44d7af6cc1d1365ec6986521b3ad59b7a7b7c0f8232be707493390cac9a

  • SSDEEP

    3072:N6h5LJ0Q0CJpiw1w1HoFN6WtljaJuloHs+dtE3KznO:N6h5LJ5TJgZ1HoFN6WtljaJul+pnE6j

Malware Config

Signatures

  • Chinese_generic_botnet family
  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe
    "C:\Users\Admin\AppData\Local\Temp\14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    PID:2100
  • C:\Program Files (x86)\Microsoft Cuisgm\Nkdnwua.exe
    "C:\Program Files (x86)\Microsoft Cuisgm\Nkdnwua.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft Cuisgm\Nkdnwua.exe

    Filesize

    386KB

    MD5

    7dc5ac82bb6ad9349aa264cf21b89f87

    SHA1

    61904ea7be46eaf3749136d4095b1f158b8d70aa

    SHA256

    14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc

    SHA512

    6223155c9ef7b79077b2d6f83f28c89dfa2fc6c8bec2a8ba9dccd8f5718139ea243ca44d7af6cc1d1365ec6986521b3ad59b7a7b7c0f8232be707493390cac9a

  • memory/2100-0-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2100-2-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/2100-4-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2896-11-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2896-17-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB