Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2022 08:49

General

  • Target

    c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783.exe

  • Size

    396KB

  • MD5

    957a0e3a0c6ce53146461b59ee3f19ad

  • SHA1

    0f1699e7809c50a357977285a540549cd9a72ef9

  • SHA256

    c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783

  • SHA512

    b43f8f328d067b25e3b8e15ecb5db0f476e850a9cc22cd39928c068cbd9bb124446610f501c29b1e5d7f055e5dadaec4ebf1c13eddabe84cd638495fe58b3c92

  • SSDEEP

    12288:HQoErg+/r+U9Gh0DbIm0Ge033bG83bOMk:tig+/cmbd3rGYbOv

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

remote

C2

IkWeet.No-ip.biz:100

Mutex

OKUG266RF65C8T

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    WinDir

  • install_file

    svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    no1sperfect

  • 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 2 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 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:980
      • C:\Users\Admin\AppData\Local\Temp\c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783.exe
        "C:\Users\Admin\AppData\Local\Temp\c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Users\Admin\AppData\Local\Temp\c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783.exe
          "C:\Users\Admin\AppData\Local\Temp\c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4480
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:4928
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:4460
            • C:\Users\Admin\AppData\Local\Temp\c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783.exe
              "C:\Users\Admin\AppData\Local\Temp\c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2836
              • C:\Windows\SysWOW64\WinDir\svchost.exe
                "C:\Windows\system32\WinDir\svchost.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:112
                • C:\Windows\SysWOW64\WinDir\svchost.exe
                  "C:\Windows\SysWOW64\WinDir\svchost.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:4564
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 596
                    7⤵
                    • Program crash
                    PID:4464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
        1⤵
          PID:948

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          224KB

          MD5

          a772a2d19ef353530732a6b0f9c29f76

          SHA1

          5508657bb35b28e52db98a73fa8cd52e9aa69f25

          SHA256

          2cf11e2dce3eaff6e1fa448e986c5ce90b4b6735ffc59f3f05b5a43f8e6d9411

          SHA512

          5f71bc3d61f66eae238b1cb9533502990de1a75bbe4b9efed6b4d1c08ad4848ac657a07ff2b68f6f4a7c34783a5b8f3c1daf7baf66d674fa65a199ab34b29266

        • C:\Windows\SysWOW64\WinDir\svchost.exe

          Filesize

          396KB

          MD5

          957a0e3a0c6ce53146461b59ee3f19ad

          SHA1

          0f1699e7809c50a357977285a540549cd9a72ef9

          SHA256

          c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783

          SHA512

          b43f8f328d067b25e3b8e15ecb5db0f476e850a9cc22cd39928c068cbd9bb124446610f501c29b1e5d7f055e5dadaec4ebf1c13eddabe84cd638495fe58b3c92

        • C:\Windows\SysWOW64\WinDir\svchost.exe

          Filesize

          396KB

          MD5

          957a0e3a0c6ce53146461b59ee3f19ad

          SHA1

          0f1699e7809c50a357977285a540549cd9a72ef9

          SHA256

          c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783

          SHA512

          b43f8f328d067b25e3b8e15ecb5db0f476e850a9cc22cd39928c068cbd9bb124446610f501c29b1e5d7f055e5dadaec4ebf1c13eddabe84cd638495fe58b3c92

        • C:\Windows\SysWOW64\WinDir\svchost.exe

          Filesize

          396KB

          MD5

          957a0e3a0c6ce53146461b59ee3f19ad

          SHA1

          0f1699e7809c50a357977285a540549cd9a72ef9

          SHA256

          c3146557e846a24e8839df4b45296b92b0f82fb130c6b82161c9fe7d57475783

          SHA512

          b43f8f328d067b25e3b8e15ecb5db0f476e850a9cc22cd39928c068cbd9bb124446610f501c29b1e5d7f055e5dadaec4ebf1c13eddabe84cd638495fe58b3c92

        • memory/2836-175-0x0000000010560000-0x00000000105C5000-memory.dmp

          Filesize

          404KB

        • memory/2836-163-0x0000000010560000-0x00000000105C5000-memory.dmp

          Filesize

          404KB

        • memory/2836-161-0x0000000010560000-0x00000000105C5000-memory.dmp

          Filesize

          404KB

        • memory/4480-153-0x00000000104F0000-0x0000000010555000-memory.dmp

          Filesize

          404KB

        • memory/4480-138-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/4480-135-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/4480-145-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB

        • memory/4480-158-0x0000000010560000-0x00000000105C5000-memory.dmp

          Filesize

          404KB

        • memory/4480-136-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/4480-162-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/4480-140-0x0000000010410000-0x0000000010475000-memory.dmp

          Filesize

          404KB

        • memory/4480-137-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/4564-172-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/4564-173-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/4564-174-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/4928-148-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB

        • memory/4928-151-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB