Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 09:22

General

  • Target

    65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea.exe

  • Size

    274KB

  • MD5

    1674dc2c7d0d49b1384ab4f75b001e20

  • SHA1

    805b934d6cdd67dfaf254002817223b3345821b3

  • SHA256

    65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea

  • SHA512

    88e4875559c095c7018d82de2ef4c84f42b4d3acfdac06391ebc72aa63a0cbff8e0dc96fe5ebef5a540d47e5fa15d11d275aa987434763b25cd99a6cbe5cc4b0

  • SSDEEP

    6144:Uk4qmy0b/1FFElceOt3cnfUz8VHliDKcRi3Q/1qW8AHSK:39A/rFElp8Dz88RiA9qgHS

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Victima

C2

173.228.244.50:2000

Mutex

hola

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Win32

  • install_file

    notepad.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Error

  • message_box_title

    Goodbye v5.2.exe

  • password

    abcd1234

  • 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 29 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 4 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1280
      • C:\Users\Admin\AppData\Local\Temp\65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea.exe
        "C:\Users\Admin\AppData\Local\Temp\65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1544
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Loads dropped DLL
          PID:860
          • C:\Windows\Win32\notepad.exe
            "C:\Windows\Win32\notepad.exe"
            4⤵
            • Executes dropped EXE
            PID:2044
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:696
          • C:\Users\Admin\AppData\Local\Temp\65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea.exe
            "C:\Users\Admin\AppData\Local\Temp\65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea.exe"
            3⤵
            • Loads dropped DLL
            • Drops file in Windows directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:608
            • C:\Windows\Win32\notepad.exe
              "C:\Windows\Win32\notepad.exe"
              4⤵
              • Executes dropped EXE
              PID:796

      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\XX--XX--XX.txt
        Filesize

        229KB

        MD5

        d41ec9d8cfa2be3d40933c3c2f0e9b64

        SHA1

        afa3f269244ea861f9690146f73c3902febf97e2

        SHA256

        90a9360d42774cdf7dd2f0fc12e14c77106938329365a878decc5e5aa64ce36a

        SHA512

        f2880c9e08a9086cf57fa8c7d6bcbf0ad11d62b20e5aad10886415656a1aa7c8af06a7770beea33ef1d04b82ba1334a57932a27c63da9087bffd5d120d11f4c6

      • C:\Windows\Win32\notepad.exe
        Filesize

        274KB

        MD5

        1674dc2c7d0d49b1384ab4f75b001e20

        SHA1

        805b934d6cdd67dfaf254002817223b3345821b3

        SHA256

        65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea

        SHA512

        88e4875559c095c7018d82de2ef4c84f42b4d3acfdac06391ebc72aa63a0cbff8e0dc96fe5ebef5a540d47e5fa15d11d275aa987434763b25cd99a6cbe5cc4b0

      • C:\Windows\Win32\notepad.exe
        Filesize

        274KB

        MD5

        1674dc2c7d0d49b1384ab4f75b001e20

        SHA1

        805b934d6cdd67dfaf254002817223b3345821b3

        SHA256

        65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea

        SHA512

        88e4875559c095c7018d82de2ef4c84f42b4d3acfdac06391ebc72aa63a0cbff8e0dc96fe5ebef5a540d47e5fa15d11d275aa987434763b25cd99a6cbe5cc4b0

      • C:\Windows\Win32\notepad.exe
        Filesize

        274KB

        MD5

        1674dc2c7d0d49b1384ab4f75b001e20

        SHA1

        805b934d6cdd67dfaf254002817223b3345821b3

        SHA256

        65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea

        SHA512

        88e4875559c095c7018d82de2ef4c84f42b4d3acfdac06391ebc72aa63a0cbff8e0dc96fe5ebef5a540d47e5fa15d11d275aa987434763b25cd99a6cbe5cc4b0

      • \Windows\Win32\notepad.exe
        Filesize

        274KB

        MD5

        1674dc2c7d0d49b1384ab4f75b001e20

        SHA1

        805b934d6cdd67dfaf254002817223b3345821b3

        SHA256

        65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea

        SHA512

        88e4875559c095c7018d82de2ef4c84f42b4d3acfdac06391ebc72aa63a0cbff8e0dc96fe5ebef5a540d47e5fa15d11d275aa987434763b25cd99a6cbe5cc4b0

      • \Windows\Win32\notepad.exe
        Filesize

        274KB

        MD5

        1674dc2c7d0d49b1384ab4f75b001e20

        SHA1

        805b934d6cdd67dfaf254002817223b3345821b3

        SHA256

        65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea

        SHA512

        88e4875559c095c7018d82de2ef4c84f42b4d3acfdac06391ebc72aa63a0cbff8e0dc96fe5ebef5a540d47e5fa15d11d275aa987434763b25cd99a6cbe5cc4b0

      • \Windows\Win32\notepad.exe
        Filesize

        274KB

        MD5

        1674dc2c7d0d49b1384ab4f75b001e20

        SHA1

        805b934d6cdd67dfaf254002817223b3345821b3

        SHA256

        65881eb4d0e8d8ac530235d01980a93ff711b62ebca84c628fcbb554ef22a7ea

        SHA512

        88e4875559c095c7018d82de2ef4c84f42b4d3acfdac06391ebc72aa63a0cbff8e0dc96fe5ebef5a540d47e5fa15d11d275aa987434763b25cd99a6cbe5cc4b0

      • memory/608-80-0x0000000000000000-mapping.dmp
      • memory/608-92-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/608-113-0x0000000005E00000-0x0000000005E56000-memory.dmp
        Filesize

        344KB

      • memory/608-106-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/608-83-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB

      • memory/608-107-0x0000000005E00000-0x0000000005E56000-memory.dmp
        Filesize

        344KB

      • memory/608-95-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/796-103-0x0000000000000000-mapping.dmp
      • memory/796-108-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB

      • memory/796-112-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB

      • memory/860-99-0x0000000003830000-0x0000000003886000-memory.dmp
        Filesize

        344KB

      • memory/860-63-0x0000000000000000-mapping.dmp
      • memory/860-65-0x0000000074CE1000-0x0000000074CE3000-memory.dmp
        Filesize

        8KB

      • memory/860-94-0x0000000003830000-0x0000000003886000-memory.dmp
        Filesize

        344KB

      • memory/860-85-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/860-72-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/860-109-0x0000000003830000-0x0000000003886000-memory.dmp
        Filesize

        344KB

      • memory/860-71-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/1280-60-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/1544-87-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1544-93-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB

      • memory/1544-54-0x00000000764C1000-0x00000000764C3000-memory.dmp
        Filesize

        8KB

      • memory/1544-84-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB

      • memory/1544-82-0x0000000000220000-0x0000000000276000-memory.dmp
        Filesize

        344KB

      • memory/1544-76-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/1544-66-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/1544-57-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/1544-55-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB

      • memory/2044-100-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB

      • memory/2044-97-0x0000000000000000-mapping.dmp
      • memory/2044-110-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB

      • memory/2044-111-0x0000000000400000-0x0000000000456000-memory.dmp
        Filesize

        344KB