Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2022, 19:50

General

  • Target

    2f5eae188be462e963439a83bc780777d597b9ea507d056d22e907dec82dec02.exe

  • Size

    275KB

  • MD5

    b79b3fe732cc27cd138595c7aced8b31

  • SHA1

    167f7b015841723f1ba10ea14fd6632678cea529

  • SHA256

    2f5eae188be462e963439a83bc780777d597b9ea507d056d22e907dec82dec02

  • SHA512

    006fc031043d39d198bcadea66b983804f1159f75e8c84918537077bdfd3eb2056c64fe575b231ff6b6625002885be0535025bb84997dabbf4167be458da6335

  • SSDEEP

    6144:D6XKkb0RGIwxLnO/jkMPcV2IV2uuSzNtigTkcz:mIMfxLnkdcfCSCSkI

Malware Config

Extracted

Family

cybergate

Version

2.7 J/M SE

Botnet

=P

C2

127.0.0.1:81

Mutex

JoKeR/M@SK

Attributes
  • enable_keylogger

    false

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    false

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

Signatures

  • CyberGate, Rebhip

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

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f5eae188be462e963439a83bc780777d597b9ea507d056d22e907dec82dec02.exe
    "C:\Users\Admin\AppData\Local\Temp\2f5eae188be462e963439a83bc780777d597b9ea507d056d22e907dec82dec02.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Users\Admin\AppData\Local\Temp\2f5eae188be462e963439a83bc780777d597b9ea507d056d22e907dec82dec02.exe
      "C:\Users\Admin\AppData\Local\Temp\2f5eae188be462e963439a83bc780777d597b9ea507d056d22e907dec82dec02.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      PID:4436
      • C:\Users\Admin\AppData\Local\Temp\2f5eae188be462e963439a83bc780777d597b9ea507d056d22e907dec82dec02.exe
        "C:\Users\Admin\AppData\Local\Temp\2f5eae188be462e963439a83bc780777d597b9ea507d056d22e907dec82dec02.exe"
        3⤵
          PID:4316
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 532
            4⤵
            • Program crash
            PID:3104
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 532
            4⤵
            • Program crash
            PID:4320
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4316 -ip 4316
      1⤵
        PID:4276

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              232KB

              MD5

              1e5f909d5e876d06c22cdc8f38ea6da8

              SHA1

              8e90ce327926bcd3a75595bf887d5f5e32664990

              SHA256

              0d876d96d74d5443edf5b08a22fffc5b600b8b919ddc862178b2996208eab2c0

              SHA512

              94804eff06377decdeca18e659bf8a7f3928241fad5ee04b2b6b72db63dd2d790aceb6ac135c096e54908eb29a16532589513c3ec0e4b2374e397c59e7a9282b

            • memory/4316-145-0x0000000000400000-0x0000000000456000-memory.dmp

              Filesize

              344KB

            • memory/4436-135-0x0000000000400000-0x0000000000456000-memory.dmp

              Filesize

              344KB

            • memory/4436-146-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/4436-140-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/4436-143-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/5004-136-0x0000000000400000-0x0000000000456000-memory.dmp

              Filesize

              344KB

            • memory/5004-141-0x0000000000400000-0x0000000000456000-memory.dmp

              Filesize

              344KB

            • memory/5004-137-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/5004-132-0x0000000000400000-0x0000000000456000-memory.dmp

              Filesize

              344KB