Analysis

  • max time kernel
    152s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 08:04

General

  • Target

    a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810.exe

  • Size

    736KB

  • MD5

    647a61758b8251b84324ae647577cb46

  • SHA1

    bab10cfa5d9b314663d72ba717ae0a9e0c30e389

  • SHA256

    a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810

  • SHA512

    6f889aabb1622fd339fede4341488be30ab81a5d9f235bf4c8d60690f9babd27e7d27e6c8f6b36accac1328ae1678656ad6ad84b045e63b075b73e1e7d2af8cb

  • SSDEEP

    12288:zBMmKGnhDT+JlCbX4oeYLwOLAQTaWSYfl0LE5llf+OHra0As:NMmnDC+bjkOLXTaGGE3lfpra0As

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Hacked

C2

windows-linux.no-ip.org:999

Mutex

JHUCQ78O3JP877

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • 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

    coca

  • regkey_hkcu

    Microsoft

  • regkey_hklm

    Microsoft

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 2 IoCs
  • UPX packed file 13 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.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 2 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810.exe
    "C:\Users\Admin\AppData\Local\Temp\a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Users\Admin\AppData\Local\Temp\a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810.exe
      "C:\Users\Admin\AppData\Local\Temp\a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810.exe"
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:3556
        • C:\Users\Admin\AppData\Local\Temp\a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810.exe
          "C:\Users\Admin\AppData\Local\Temp\a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810.exe"
          3⤵
          • Checks computer location settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2076
          • C:\Windows\SysWOW64\install\svchost.exe
            "C:\Windows\system32\install\svchost.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            PID:4248
            • C:\Windows\SysWOW64\install\svchost.exe
              "C:\Windows\SysWOW64\install\svchost.exe"
              5⤵
              • Executes dropped EXE
              PID:1876
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 596
                6⤵
                • Program crash
                PID:4376
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1876 -ip 1876
      1⤵
        PID:1928

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        224KB

        MD5

        7521b22376ba339e1b8a7417d97099a4

        SHA1

        1b4561d08780feced4f085a26667c1fe1ecf491d

        SHA256

        b9fa64500c4b72688c8364cf93eb3ce13a306212b7f8ef8383df8cf4e652ceba

        SHA512

        a782d6dae802488b4fcb3ad4791bc084df3dde6322efe3d20c1f86259aed4104ce2628980933e719bc134f6e75d6041266f19cf1856ced6c60b62f61e7e88a85

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        736KB

        MD5

        647a61758b8251b84324ae647577cb46

        SHA1

        bab10cfa5d9b314663d72ba717ae0a9e0c30e389

        SHA256

        a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810

        SHA512

        6f889aabb1622fd339fede4341488be30ab81a5d9f235bf4c8d60690f9babd27e7d27e6c8f6b36accac1328ae1678656ad6ad84b045e63b075b73e1e7d2af8cb

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        736KB

        MD5

        647a61758b8251b84324ae647577cb46

        SHA1

        bab10cfa5d9b314663d72ba717ae0a9e0c30e389

        SHA256

        a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810

        SHA512

        6f889aabb1622fd339fede4341488be30ab81a5d9f235bf4c8d60690f9babd27e7d27e6c8f6b36accac1328ae1678656ad6ad84b045e63b075b73e1e7d2af8cb

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        736KB

        MD5

        647a61758b8251b84324ae647577cb46

        SHA1

        bab10cfa5d9b314663d72ba717ae0a9e0c30e389

        SHA256

        a4201a38fe7d7c2fd14526b39060beb386dd79ec3814926d79ceb62fe28dc810

        SHA512

        6f889aabb1622fd339fede4341488be30ab81a5d9f235bf4c8d60690f9babd27e7d27e6c8f6b36accac1328ae1678656ad6ad84b045e63b075b73e1e7d2af8cb

      • memory/384-153-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/384-139-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/384-137-0x0000000000000000-mapping.dmp
      • memory/384-142-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/384-144-0x0000000010410000-0x0000000010475000-memory.dmp
        Filesize

        404KB

      • memory/384-138-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/384-149-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/384-140-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/1876-165-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/1876-168-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/1876-160-0x0000000000000000-mapping.dmp
      • memory/1876-166-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/2076-154-0x0000000000400000-0x0000000000507000-memory.dmp
        Filesize

        1.0MB

      • memory/2076-155-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/2076-152-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/2076-148-0x0000000000000000-mapping.dmp
      • memory/2076-167-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/3968-141-0x0000000000400000-0x0000000000507000-memory.dmp
        Filesize

        1.0MB

      • memory/3968-136-0x0000000000400000-0x0000000000507000-memory.dmp
        Filesize

        1.0MB

      • memory/3968-135-0x0000000000400000-0x0000000000507000-memory.dmp
        Filesize

        1.0MB

      • memory/4248-164-0x0000000000400000-0x0000000000507000-memory.dmp
        Filesize

        1.0MB

      • memory/4248-158-0x0000000000000000-mapping.dmp