Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 06:50

General

  • Target

    f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb.exe

  • Size

    389KB

  • MD5

    30464eecf372816062dd039ed14bacd0

  • SHA1

    a8ffc5816ff00d05ea2b0f76b4482fd240e732e0

  • SHA256

    f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb

  • SHA512

    9d53c59582f94f360ba66999655f81dd9f4db31a879769f10cc8cab58f8792e06ecb2807d85819f128fc98f3330e86fecc7240fdbf4d93d4f587ac75526ac7ec

  • SSDEEP

    6144:8UAHbuADPjhh/Pe2g+XZArPY4T5eFjOUzS2p6WPjUiOPjHfmo7IF2+fU:Qf5Zh9DSkPjGLHE3

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

ÖÍíÉ

C2

adgjsgy.servebeer.com:433

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    svchost.exe

  • install_file

    Win_Xp.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Please try again later.

  • message_box_title

    Error

  • password

    abcd1234

Signatures

  • CyberGate, Rebhip

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

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:2832
      • C:\Users\Admin\AppData\Local\Temp\f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb.exe
        "C:\Users\Admin\AppData\Local\Temp\f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3628
        • C:\Users\Admin\AppData\Local\Temp\f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb.exe
          C:\Users\Admin\AppData\Local\Temp\f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb.exe
          3⤵
          • Modifies Installed Components in the registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4980
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:3060
          • C:\Users\Admin\AppData\Local\Temp\f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb.exe
            "C:\Users\Admin\AppData\Local\Temp\f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb.exe"
            4⤵
            • Checks computer location settings
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:2716
            • C:\windows\SysWOW64\microsoft\Win_Xp.exe
              "C:\windows\system32\microsoft\Win_Xp.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:3640
              • C:\windows\SysWOW64\microsoft\Win_Xp.exe
                C:\windows\SysWOW64\microsoft\Win_Xp.exe
                6⤵
                • Executes dropped EXE
                PID:424

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            Filesize

            229KB

            MD5

            d8a3ce65311f6bd10247ad6217d3184f

            SHA1

            62c71a1cacdfb93b27a542bac1273549c3af00a3

            SHA256

            82fbc5c702026dd5cc24f5aaf360af45c91a90a39fed26dddc02effee26e267b

            SHA512

            220d492305ba288e54cfa4b2a6d78295426c6340a7fa45012a43cc71002c6021167e650c2b6060eeaed0acf929ec3ba783088abfd0934481139175ba4228f843

          • C:\Windows\SysWOW64\microsoft\Win_Xp.exe

            Filesize

            389KB

            MD5

            30464eecf372816062dd039ed14bacd0

            SHA1

            a8ffc5816ff00d05ea2b0f76b4482fd240e732e0

            SHA256

            f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb

            SHA512

            9d53c59582f94f360ba66999655f81dd9f4db31a879769f10cc8cab58f8792e06ecb2807d85819f128fc98f3330e86fecc7240fdbf4d93d4f587ac75526ac7ec

          • C:\Windows\SysWOW64\microsoft\Win_Xp.exe

            Filesize

            389KB

            MD5

            30464eecf372816062dd039ed14bacd0

            SHA1

            a8ffc5816ff00d05ea2b0f76b4482fd240e732e0

            SHA256

            f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb

            SHA512

            9d53c59582f94f360ba66999655f81dd9f4db31a879769f10cc8cab58f8792e06ecb2807d85819f128fc98f3330e86fecc7240fdbf4d93d4f587ac75526ac7ec

          • \??\c:\windows\SysWOW64\microsoft\Win_Xp.exe

            Filesize

            389KB

            MD5

            30464eecf372816062dd039ed14bacd0

            SHA1

            a8ffc5816ff00d05ea2b0f76b4482fd240e732e0

            SHA256

            f826a7f302072952f65dff9876dd6aa014fb246fab01f93fe7122d6157dc6ceb

            SHA512

            9d53c59582f94f360ba66999655f81dd9f4db31a879769f10cc8cab58f8792e06ecb2807d85819f128fc98f3330e86fecc7240fdbf4d93d4f587ac75526ac7ec

          • memory/424-183-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB

          • memory/2716-167-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/2716-166-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/2716-170-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/3060-156-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/3060-153-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4980-140-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB

          • memory/4980-150-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4980-158-0x00000000005E0000-0x0000000000642000-memory.dmp

            Filesize

            392KB

          • memory/4980-145-0x0000000024010000-0x0000000024072000-memory.dmp

            Filesize

            392KB

          • memory/4980-163-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/4980-143-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB

          • memory/4980-142-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB

          • memory/4980-139-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB

          • memory/4980-138-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB

          • memory/4980-136-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB

          • memory/4980-134-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB

          • memory/4980-133-0x0000000000400000-0x000000000044E000-memory.dmp

            Filesize

            312KB