Analysis

  • max time kernel
    151s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 22:24

General

  • Target

    88ea04994abb3d6da877191f4994cd671435238201d8183bee47109118721f97.exe

  • Size

    389KB

  • MD5

    259c082d3faf1ec1dcf11662db235bab

  • SHA1

    43b7e114e166f2c37f21cf8856def17b3a0e3614

  • SHA256

    88ea04994abb3d6da877191f4994cd671435238201d8183bee47109118721f97

  • SHA512

    4302726460e44e58d020caa3b4ba7070134db0115999eebfbf8bb7ce9f40886dbd3bfe5f21b473fccdbb56364d62ea8f131a84f60ec393a0471368c3f10bf09f

  • SSDEEP

    12288:rtqVpuxTaVs1xaBch9vCer1/OtddFAwR33XY:rtqVoxTaigSh9Jr12tddFAwe

Malware Config

Extracted

Family

cybergate

Version

v1.04.8

Botnet

remote

C2

monsieur663.no-ip.biz:1223

Mutex

RT736G78UQG121

Attributes
  • enable_keylogger

    false

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    WinSys

  • 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

    yoyo0603

Signatures

  • CyberGate, Rebhip

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88ea04994abb3d6da877191f4994cd671435238201d8183bee47109118721f97.exe
    "C:\Users\Admin\AppData\Local\Temp\88ea04994abb3d6da877191f4994cd671435238201d8183bee47109118721f97.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:1924
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
          3⤵
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1788
          • C:\Users\Admin\AppData\Roaming\WinSys\svchost.exe
            "C:\Users\Admin\AppData\Roaming\WinSys\svchost.exe"
            4⤵
            • Executes dropped EXE
            PID:908
      • C:\Users\Admin\AppData\Local\Temp\88ea04994abb3d6da877191f4994cd671435238201d8183bee47109118721f97.exe
        "C:\Users\Admin\AppData\Local\Temp\88ea04994abb3d6da877191f4994cd671435238201d8183bee47109118721f97.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:588
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          3⤵
          • Drops file in System32 directory
          PID:1504
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1960
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
              4⤵
                PID:792

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          222KB

          MD5

          764be22bdb4cb28a5728918589cfd389

          SHA1

          386ba88d042851efe28c19ddacc8c7977077a7e6

          SHA256

          8d7497523a2b47fb71db4949195b3a5a88fefdcc586a793ec95f9649dbcf5ffd

          SHA512

          7f1ad086380fb763db47934ce14141bff38e44f3abcfa748f005f983236bafe3027b2c93954352ac2b5846aec37281c4161a3b6712bb135940ab2ea5836b9abf

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

          Filesize

          222KB

          MD5

          764be22bdb4cb28a5728918589cfd389

          SHA1

          386ba88d042851efe28c19ddacc8c7977077a7e6

          SHA256

          8d7497523a2b47fb71db4949195b3a5a88fefdcc586a793ec95f9649dbcf5ffd

          SHA512

          7f1ad086380fb763db47934ce14141bff38e44f3abcfa748f005f983236bafe3027b2c93954352ac2b5846aec37281c4161a3b6712bb135940ab2ea5836b9abf

        • C:\Users\Admin\AppData\Roaming\WinSys\svchost.exe

          Filesize

          1.1MB

          MD5

          34aa912defa18c2c129f1e09d75c1d7e

          SHA1

          9c3046324657505a30ecd9b1fdb46c05bde7d470

          SHA256

          6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

          SHA512

          d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

        • C:\Users\Admin\AppData\Roaming\WinSys\svchost.exe

          Filesize

          1.1MB

          MD5

          34aa912defa18c2c129f1e09d75c1d7e

          SHA1

          9c3046324657505a30ecd9b1fdb46c05bde7d470

          SHA256

          6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

          SHA512

          d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

          Filesize

          1.1MB

          MD5

          34aa912defa18c2c129f1e09d75c1d7e

          SHA1

          9c3046324657505a30ecd9b1fdb46c05bde7d470

          SHA256

          6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

          SHA512

          d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

        • \Users\Admin\AppData\Roaming\WinSys\svchost.exe

          Filesize

          1.1MB

          MD5

          34aa912defa18c2c129f1e09d75c1d7e

          SHA1

          9c3046324657505a30ecd9b1fdb46c05bde7d470

          SHA256

          6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

          SHA512

          d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

        • memory/588-74-0x00000000747F0000-0x0000000074D9B000-memory.dmp

          Filesize

          5.7MB

        • memory/588-110-0x00000000747F0000-0x0000000074D9B000-memory.dmp

          Filesize

          5.7MB

        • memory/588-61-0x0000000000000000-mapping.dmp

        • memory/792-102-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/792-86-0x0000000000000000-mapping.dmp

        • memory/792-108-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/844-60-0x00000000747F0000-0x0000000074D9B000-memory.dmp

          Filesize

          5.7MB

        • memory/844-54-0x0000000075651000-0x0000000075653000-memory.dmp

          Filesize

          8KB

        • memory/844-109-0x00000000747F0000-0x0000000074D9B000-memory.dmp

          Filesize

          5.7MB

        • memory/908-106-0x0000000000000000-mapping.dmp

        • memory/944-56-0x000000000040BBCC-mapping.dmp

        • memory/944-59-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/944-55-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/944-92-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/944-71-0x0000000010410000-0x0000000010471000-memory.dmp

          Filesize

          388KB

        • memory/944-57-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/944-70-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/944-87-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/1504-96-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/1504-101-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/1504-76-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/1504-65-0x000000000040BBCC-mapping.dmp

        • memory/1788-90-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/1788-77-0x0000000000000000-mapping.dmp

        • memory/1788-94-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/1788-93-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB

        • memory/1788-111-0x0000000010480000-0x00000000104E1000-memory.dmp

          Filesize

          388KB