Analysis

  • max time kernel
    399s
  • max time network
    439s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 09:31

General

  • Target

    935a5257f430d0e9de3e7941b778fe19e20b559d0010d10856aa563384818f3f.exe

  • Size

    281KB

  • MD5

    9a50b8d18637d6d870cfe93291e0a83a

  • SHA1

    ca83cc2d964e3ab4c1c3a3c25584649f582d19d3

  • SHA256

    935a5257f430d0e9de3e7941b778fe19e20b559d0010d10856aa563384818f3f

  • SHA512

    538c80eafe0a42ea07a562b8f2989c63299eba7c3425df876ac2707b1a51a3024e6f1008b4d2ff5bc5cce96e66a45ed17b64b59adf1d6ea147f6ad02eca708b0

  • SSDEEP

    6144:gScrLt4mp8D6WGc/YSlIipB+eubLzeh7Yy0DMIdeXijX:xcKy78QSV8NyhsFMCeSjX

Malware Config

Extracted

Family

cybergate

Version

v1.18.0 - Crack Version

Botnet

remote

C2

merabti01.no-ip.info:288

Mutex

2TH4461J3K8JE7

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs

  • ftp_interval

    30

  • injected_process

    svchost.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

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 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 9 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2628
      • C:\Users\Admin\AppData\Local\Temp\935a5257f430d0e9de3e7941b778fe19e20b559d0010d10856aa563384818f3f.exe
        "C:\Users\Admin\AppData\Local\Temp\935a5257f430d0e9de3e7941b778fe19e20b559d0010d10856aa563384818f3f.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Checks computer location settings
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2272
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:560
        • C:\Users\Admin\AppData\Local\Temp\935a5257f430d0e9de3e7941b778fe19e20b559d0010d10856aa563384818f3f.exe
          "C:\Users\Admin\AppData\Local\Temp\935a5257f430d0e9de3e7941b778fe19e20b559d0010d10856aa563384818f3f.exe"
          3⤵
          • Drops file in System32 directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1200
        • C:\Windows\SysWOW64\install\server.exe
          "C:\Windows\system32\install\server.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3768

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Admin2.txt

      Filesize

      236KB

      MD5

      d0625b762635ab21bc907d483c97bb2b

      SHA1

      6129bb00a0861a3e2b20d68a7b4a116f8a11b21c

      SHA256

      890e83ff791eaff774c2326615489d9cb436ba06c59a0ed3d35c11ceb6e09de7

      SHA512

      5a80e073ddbd36997479b1f34dfac43b7e310b98615b60e598abe4c73e037f7fe59c12a1d73057a67d8361a46b709959392c8713b8e1b275fe4005aa0706aab9

    • C:\Windows\SysWOW64\install\server.exe

      Filesize

      281KB

      MD5

      9a50b8d18637d6d870cfe93291e0a83a

      SHA1

      ca83cc2d964e3ab4c1c3a3c25584649f582d19d3

      SHA256

      935a5257f430d0e9de3e7941b778fe19e20b559d0010d10856aa563384818f3f

      SHA512

      538c80eafe0a42ea07a562b8f2989c63299eba7c3425df876ac2707b1a51a3024e6f1008b4d2ff5bc5cce96e66a45ed17b64b59adf1d6ea147f6ad02eca708b0

    • C:\Windows\SysWOW64\install\server.exe

      Filesize

      281KB

      MD5

      9a50b8d18637d6d870cfe93291e0a83a

      SHA1

      ca83cc2d964e3ab4c1c3a3c25584649f582d19d3

      SHA256

      935a5257f430d0e9de3e7941b778fe19e20b559d0010d10856aa563384818f3f

      SHA512

      538c80eafe0a42ea07a562b8f2989c63299eba7c3425df876ac2707b1a51a3024e6f1008b4d2ff5bc5cce96e66a45ed17b64b59adf1d6ea147f6ad02eca708b0

    • memory/560-141-0x0000000010490000-0x0000000010502000-memory.dmp

      Filesize

      456KB

    • memory/560-142-0x0000000010490000-0x0000000010502000-memory.dmp

      Filesize

      456KB

    • memory/1200-152-0x0000000010510000-0x0000000010582000-memory.dmp

      Filesize

      456KB

    • memory/1200-153-0x0000000010510000-0x0000000010582000-memory.dmp

      Filesize

      456KB

    • memory/1200-158-0x0000000010510000-0x0000000010582000-memory.dmp

      Filesize

      456KB

    • memory/2272-149-0x0000000010510000-0x0000000010582000-memory.dmp

      Filesize

      456KB

    • memory/2272-133-0x0000000010410000-0x0000000010482000-memory.dmp

      Filesize

      456KB

    • memory/2272-144-0x0000000000450000-0x00000000004C2000-memory.dmp

      Filesize

      456KB

    • memory/2272-138-0x0000000010490000-0x0000000010502000-memory.dmp

      Filesize

      456KB