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Analysis

  • max time kernel
    151s
  • max time network
    72s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 06:00

General

  • Target

    c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f.exe

  • Size

    305KB

  • MD5

    669e4e6c812d43d0b1961c82014b922b

  • SHA1

    7f9e2d943721388fc2761f7496c8af1d77a5d498

  • SHA256

    c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f

  • SHA512

    72a34fbb63f6db14d1605ccde0ac7728390b1f891650a058b3b54b1f6894e09463803b6104d525397cf678a4623e24271071f9612b407df286a57c911a49b436

  • SSDEEP

    6144:z059bF7N7lPiRD81EOt+uocfOgOxdEbkPJaCZovEXxQvxDy8H23flTYJ1ajgnr/k:zS9bF7Ny5Ep7f1OkIBbXxQvxDybt81ah

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

insalahstar.no-ip.biz:81

insalahstar.zapto.org:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    you must have luinix

  • message_box_title

    wrong

  • password

    abcd1234

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 14 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f.exe
    "C:\Users\Admin\AppData\Local\Temp\c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f.exe
      "C:\Users\Admin\AppData\Local\Temp\c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f.exe"
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:884
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:936
        • C:\Users\Admin\AppData\Local\Temp\c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f.exe
          "C:\Users\Admin\AppData\Local\Temp\c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f.exe"
          3⤵
          • Loads dropped DLL
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2032
          • C:\Windows\install\server.exe
            "C:\Windows\install\server.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            PID:1944
            • C:\Windows\install\server.exe
              "C:\Windows\install\server.exe"
              5⤵
              • Executes dropped EXE
              PID:1700

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

      Filesize

      229KB

      MD5

      3cfa1e152a8ab02af6d0eefaa7b2c612

      SHA1

      ad262a8c5114fd053ba563576f4c12fe43f9d633

      SHA256

      19c1486be35860f5532c296e64a2eb4d32553ac2ded065edb0935a0cc60e70c8

      SHA512

      021d6485c3e0a21aac1a9f77e5603155927082bf572d09c925846a3402e3fa90582dd5b37b80d96f7a1f0d0c808b602b933e68a6480100665916780f983a7f1f

    • C:\Windows\install\server.exe

      Filesize

      305KB

      MD5

      669e4e6c812d43d0b1961c82014b922b

      SHA1

      7f9e2d943721388fc2761f7496c8af1d77a5d498

      SHA256

      c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f

      SHA512

      72a34fbb63f6db14d1605ccde0ac7728390b1f891650a058b3b54b1f6894e09463803b6104d525397cf678a4623e24271071f9612b407df286a57c911a49b436

    • C:\Windows\install\server.exe

      Filesize

      305KB

      MD5

      669e4e6c812d43d0b1961c82014b922b

      SHA1

      7f9e2d943721388fc2761f7496c8af1d77a5d498

      SHA256

      c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f

      SHA512

      72a34fbb63f6db14d1605ccde0ac7728390b1f891650a058b3b54b1f6894e09463803b6104d525397cf678a4623e24271071f9612b407df286a57c911a49b436

    • C:\Windows\install\server.exe

      Filesize

      305KB

      MD5

      669e4e6c812d43d0b1961c82014b922b

      SHA1

      7f9e2d943721388fc2761f7496c8af1d77a5d498

      SHA256

      c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f

      SHA512

      72a34fbb63f6db14d1605ccde0ac7728390b1f891650a058b3b54b1f6894e09463803b6104d525397cf678a4623e24271071f9612b407df286a57c911a49b436

    • \Windows\install\server.exe

      Filesize

      305KB

      MD5

      669e4e6c812d43d0b1961c82014b922b

      SHA1

      7f9e2d943721388fc2761f7496c8af1d77a5d498

      SHA256

      c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f

      SHA512

      72a34fbb63f6db14d1605ccde0ac7728390b1f891650a058b3b54b1f6894e09463803b6104d525397cf678a4623e24271071f9612b407df286a57c911a49b436

    • \Windows\install\server.exe

      Filesize

      305KB

      MD5

      669e4e6c812d43d0b1961c82014b922b

      SHA1

      7f9e2d943721388fc2761f7496c8af1d77a5d498

      SHA256

      c53437438f74ee62bbc21cc6c62ef2d8257f43edebbbbe0016128ce067bac90f

      SHA512

      72a34fbb63f6db14d1605ccde0ac7728390b1f891650a058b3b54b1f6894e09463803b6104d525397cf678a4623e24271071f9612b407df286a57c911a49b436

    • memory/884-63-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/884-65-0x0000000024010000-0x0000000024072000-memory.dmp

      Filesize

      392KB

    • memory/884-71-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/884-55-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/884-77-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/884-57-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/884-62-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/884-61-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1620-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

      Filesize

      8KB

    • memory/1700-93-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1700-92-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1700-94-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1700-96-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2032-76-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/2032-74-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/2032-95-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/2032-97-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB