Analysis

  • max time kernel
    203s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 17:16

General

  • Target

    7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5.exe

  • Size

    274KB

  • MD5

    4526bbbfaec31f5ae5cc93b932717f6b

  • SHA1

    2ec01313ab871f910f2d9fc066ff116dbc9582ea

  • SHA256

    7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5

  • SHA512

    468cf546cda7069e970202cd3736d142a71eb353fc679292c131fe4a1512d24a85cd7264b9b1bc20066bb552778cc00ed402c6484d0cdf2356099752b8687812

  • SSDEEP

    6144:8MISq3LUYsnh1fUV1IFvlhGnd7fPWXtXuv:8bdbUYAeVolha7feXtXuv

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

test2

C2

127.0.0.1:83

jembotcok.no-ip.biz:83

192.168.0.1:83

192.168.0.15:83

Mutex

K4U85V8H0G3Q5S

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    svchost.exe

  • install_dir

    temp

  • install_file

    vchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    juv3ntus

  • 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 19 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:772
      • C:\Users\Admin\AppData\Local\Temp\7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5.exe
        "C:\Users\Admin\AppData\Local\Temp\7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:2680
        • C:\Users\Admin\AppData\Local\Temp\7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5.exe
          "C:\Users\Admin\AppData\Local\Temp\7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5.exe"
          3⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:4412
          • C:\temp\vchost.exe
            "C:\temp\vchost.exe"
            4⤵
            • Executes dropped EXE
            PID:1900
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 548
              5⤵
              • Program crash
              PID:4928
        • C:\temp\vchost.exe
          "C:\temp\vchost.exe"
          3⤵
          • Executes dropped EXE
          PID:4240
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 580
            4⤵
            • Program crash
            PID:4968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4240 -ip 4240
      1⤵
        PID:4704
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1900 -ip 1900
        1⤵
          PID:2452

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          224KB

          MD5

          1d9e9efbbcca57946eda4a1c2d85ead4

          SHA1

          7b1999087e2974ad1f805421d748d67ebe714d96

          SHA256

          a752535e95f76cd31f0337f6e0c51d6bd841ce3137cfedf0486400187b334618

          SHA512

          4d20a93d20959088d9db7a2f413d5dec2d6db111efe20d62be89ce9cf6806e0ab895a1674236cda2145ab29002cf4f776ae933607d3cb54e7983fcfa2e040bdc

        • C:\temp\vchost.exe

          Filesize

          274KB

          MD5

          4526bbbfaec31f5ae5cc93b932717f6b

          SHA1

          2ec01313ab871f910f2d9fc066ff116dbc9582ea

          SHA256

          7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5

          SHA512

          468cf546cda7069e970202cd3736d142a71eb353fc679292c131fe4a1512d24a85cd7264b9b1bc20066bb552778cc00ed402c6484d0cdf2356099752b8687812

        • C:\temp\vchost.exe

          Filesize

          274KB

          MD5

          4526bbbfaec31f5ae5cc93b932717f6b

          SHA1

          2ec01313ab871f910f2d9fc066ff116dbc9582ea

          SHA256

          7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5

          SHA512

          468cf546cda7069e970202cd3736d142a71eb353fc679292c131fe4a1512d24a85cd7264b9b1bc20066bb552778cc00ed402c6484d0cdf2356099752b8687812

        • C:\temp\vchost.exe

          Filesize

          274KB

          MD5

          4526bbbfaec31f5ae5cc93b932717f6b

          SHA1

          2ec01313ab871f910f2d9fc066ff116dbc9582ea

          SHA256

          7e4f90dc3ccabd1a62488fe8101457269b702f993cc791946399a42197d46de5

          SHA512

          468cf546cda7069e970202cd3736d142a71eb353fc679292c131fe4a1512d24a85cd7264b9b1bc20066bb552778cc00ed402c6484d0cdf2356099752b8687812

        • memory/1540-132-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/1540-139-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB

        • memory/1540-149-0x00000000023E0000-0x0000000002445000-memory.dmp

          Filesize

          404KB

        • memory/1540-152-0x00000000104F0000-0x0000000010555000-memory.dmp

          Filesize

          404KB

        • memory/1540-158-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/1540-134-0x0000000010410000-0x0000000010475000-memory.dmp

          Filesize

          404KB

        • memory/1900-166-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/1900-165-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/1900-163-0x0000000000000000-mapping.dmp

        • memory/2680-142-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB

        • memory/2680-145-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB

        • memory/2680-138-0x0000000000000000-mapping.dmp

        • memory/4240-156-0x0000000000000000-mapping.dmp

        • memory/4240-161-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/4240-167-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/4412-162-0x00000000104F0000-0x0000000010555000-memory.dmp

          Filesize

          404KB

        • memory/4412-160-0x00000000104F0000-0x0000000010555000-memory.dmp

          Filesize

          404KB

        • memory/4412-159-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/4412-155-0x00000000104F0000-0x0000000010555000-memory.dmp

          Filesize

          404KB

        • memory/4412-151-0x0000000000000000-mapping.dmp