Overview

overview

10

Static

static

3

f22b785b33...e9.exe

windows7-x64

10

f22b785b33...e9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-07-2024 06:36

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General

  • Target

    f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe

  • Size

    3.3MB

  • MD5

    0d3bbd53d76c3b625da39c50fb00ea30

  • SHA1

    2c919e370cf9166b91f3d586a1618df24a349d7c

  • SHA256

    f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9

  • SHA512

    bd919245623db347895af691c8d7705740aa39e9c44a634aa9c8f9918125de46c955cc69397a9caf84203a033750d4443552f08e64bc74305111bed339b07168

  • SSDEEP

    49152:t/3Uxi03zDWi26fs2cWDAbcl7jkv4+9Ry4kjCz:t/ET0uDhEv4n4M

Score
10/10
chinese_generic_botnetbotnet

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

    botnetchinese_generic_botnet
  • Chinese Botnet payload 2 IoCs
    botnet
  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe
    "C:\Users\Admin\AppData\Local\Temp\f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    PID:2360
  • C:\Program Files (x86)\Windows NT\Bkcphfl.exe
    "C:\Program Files (x86)\Windows NT\Bkcphfl.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Program Files (x86)\Windows NT\Bkcphfl.exe
      "C:\Program Files (x86)\Windows NT\Bkcphfl.exe" Win7
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Windows NT\Bkcphfl.exe
    Filesize

    3.3MB

    MD5

    0d3bbd53d76c3b625da39c50fb00ea30

    SHA1

    2c919e370cf9166b91f3d586a1618df24a349d7c

    SHA256

    f22b785b33c40c33339c6aca991d641eed3242d26d3aeab1dcb09b2d98989ce9

    SHA512

    bd919245623db347895af691c8d7705740aa39e9c44a634aa9c8f9918125de46c955cc69397a9caf84203a033750d4443552f08e64bc74305111bed339b07168

    Download Submit

  • memory/2360-0-0x0000000010000000-0x000000001001F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2360-19-0x0000000000400000-0x000000000074F000-memory.dmp

    Filesize

    3.3MB

    Download