Analysis

  • max time kernel
    150s
  • max time network
    63s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 16:25

General

  • Target

    55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25.exe

  • Size

    320KB

  • MD5

    b86e4f43915a2dc9e037d2bd2b7f2389

  • SHA1

    14016f5543b76ff757fff046ab0c8019d51b2f71

  • SHA256

    55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25

  • SHA512

    2f288b12374f43c91b3528b080a6fe51960fce661ec8e44d5af80e4e5ba8b54f5d3eb2384ef7c951c7820bdec92ce989669a8342196b23ccb065c2efc6bd7c79

  • SSDEEP

    6144:5dEfA9ko2WlVAsCSGU+JDse9B1lLgjPrmU7gV4UVevTUBebvBg+ySLY:MQAsC97ssYzmOAerdVg+BLY

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Victima

C2

goldemadbeta.zapto.org:4662

Mutex

5BAA46377XH6LI

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    system

  • install_file

    windll.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Este archivo No se ha descargado Completamente, Vuelva a descargarlo

  • message_box_title

    Error

  • password

    123456

  • regkey_hkcu

    ctfmon

  • regkey_hklm

    ctfmon

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.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 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.

  • Suspicious behavior: EnumeratesProcesses 1 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:1224
      • C:\Users\Admin\AppData\Local\Temp\55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25.exe
        "C:\Users\Admin\AppData\Local\Temp\55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1404
        • C:\Users\Admin\AppData\Local\Temp\55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25.exe
          "C:\Users\Admin\AppData\Local\Temp\55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25.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:1780
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:268
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:2016
            • C:\Users\Admin\AppData\Local\Temp\55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25.exe
              "C:\Users\Admin\AppData\Local\Temp\55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1960
              • C:\Windows\SysWOW64\system\windll.exe
                "C:\Windows\system32\system\windll.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:1572
                • C:\Windows\SysWOW64\system\windll.exe
                  "C:\Windows\SysWOW64\system\windll.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:1764

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        224KB

        MD5

        3ddfbc5fe28e55a6400df54fa0ed45a5

        SHA1

        f0951e770f7ec228ed58cfd1925c9196942da4a6

        SHA256

        c0dd1f6fa8aa0b215c97941877b37614965d2f9eff5ff69185eddb4fa700580f

        SHA512

        a4b0ef2e2b65bf075d6a7cb2f973ee70a771a1cb19d0bee9229c2cde9686400758f6d0e48e98966e72e4691107d1ebbee412ad0578b542e4bab38857ac03d4f1

      • C:\Windows\SysWOW64\system\windll.exe
        Filesize

        320KB

        MD5

        b86e4f43915a2dc9e037d2bd2b7f2389

        SHA1

        14016f5543b76ff757fff046ab0c8019d51b2f71

        SHA256

        55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25

        SHA512

        2f288b12374f43c91b3528b080a6fe51960fce661ec8e44d5af80e4e5ba8b54f5d3eb2384ef7c951c7820bdec92ce989669a8342196b23ccb065c2efc6bd7c79

      • C:\Windows\SysWOW64\system\windll.exe
        Filesize

        320KB

        MD5

        b86e4f43915a2dc9e037d2bd2b7f2389

        SHA1

        14016f5543b76ff757fff046ab0c8019d51b2f71

        SHA256

        55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25

        SHA512

        2f288b12374f43c91b3528b080a6fe51960fce661ec8e44d5af80e4e5ba8b54f5d3eb2384ef7c951c7820bdec92ce989669a8342196b23ccb065c2efc6bd7c79

      • C:\Windows\SysWOW64\system\windll.exe
        Filesize

        320KB

        MD5

        b86e4f43915a2dc9e037d2bd2b7f2389

        SHA1

        14016f5543b76ff757fff046ab0c8019d51b2f71

        SHA256

        55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25

        SHA512

        2f288b12374f43c91b3528b080a6fe51960fce661ec8e44d5af80e4e5ba8b54f5d3eb2384ef7c951c7820bdec92ce989669a8342196b23ccb065c2efc6bd7c79

      • \Windows\SysWOW64\system\windll.exe
        Filesize

        320KB

        MD5

        b86e4f43915a2dc9e037d2bd2b7f2389

        SHA1

        14016f5543b76ff757fff046ab0c8019d51b2f71

        SHA256

        55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25

        SHA512

        2f288b12374f43c91b3528b080a6fe51960fce661ec8e44d5af80e4e5ba8b54f5d3eb2384ef7c951c7820bdec92ce989669a8342196b23ccb065c2efc6bd7c79

      • \Windows\SysWOW64\system\windll.exe
        Filesize

        320KB

        MD5

        b86e4f43915a2dc9e037d2bd2b7f2389

        SHA1

        14016f5543b76ff757fff046ab0c8019d51b2f71

        SHA256

        55cea9e978b0d4009a7d8a66f71bf0223038d3747ca595ec028e815d546e2a25

        SHA512

        2f288b12374f43c91b3528b080a6fe51960fce661ec8e44d5af80e4e5ba8b54f5d3eb2384ef7c951c7820bdec92ce989669a8342196b23ccb065c2efc6bd7c79

      • memory/268-78-0x0000000000000000-mapping.dmp
      • memory/268-86-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/268-80-0x00000000747F1000-0x00000000747F3000-memory.dmp
        Filesize

        8KB

      • memory/268-89-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/1224-75-0x0000000010410000-0x0000000010475000-memory.dmp
        Filesize

        404KB

      • memory/1572-107-0x0000000000000000-mapping.dmp
      • memory/1764-121-0x000000000040E1A8-mapping.dmp
      • memory/1764-125-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1764-126-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1764-127-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-67-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-63-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-72-0x0000000010410000-0x0000000010475000-memory.dmp
        Filesize

        404KB

      • memory/1780-70-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-69-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-68-0x0000000074F01000-0x0000000074F03000-memory.dmp
        Filesize

        8KB

      • memory/1780-91-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB

      • memory/1780-60-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-97-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1780-103-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-59-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-61-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-56-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-66-0x000000000040E1A8-mapping.dmp
      • memory/1780-65-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-57-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1780-81-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/1780-62-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/1960-104-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1960-102-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1960-95-0x0000000000000000-mapping.dmp
      • memory/1960-128-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB