Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2022 12:50

General

  • Target

    d580a63c97c6253668994eb0f9d1361d2cdfff6ba9924a836865d1d2fc748949.exe

  • Size

    267KB

  • MD5

    3b45606e6ae265e95c4dc1adb971be06

  • SHA1

    47b5a3ee01c247853663c4a5b6ed34382f792007

  • SHA256

    d580a63c97c6253668994eb0f9d1361d2cdfff6ba9924a836865d1d2fc748949

  • SHA512

    770178cd9a77a4dfda88fc03e569b03ae537f4726c0d7d5c42679e6fbcbcfe96384ce8b1ac9dcd33be254c78a66a60bf8fb7f09f2099966ae907680b4ed6e200

  • SSDEEP

    6144:8i3VpJQjFXlL/5KOUV5njOzwqHabALuHmptYqdsN8rf4p:J+EB5njO5Hao3pU8rf

Malware Config

Extracted

Family

cybergate

Version

v1.05.1

Botnet

victime

C2

jerem13.no-ip.biz:1024

Mutex

2L081P0BN8BK8A

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Le format de l'image n'est pas pris en charge

  • message_box_title

    Erreur !

  • password

    administrator

  • 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 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 16 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
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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:\Users\Admin\AppData\Local\Temp\d580a63c97c6253668994eb0f9d1361d2cdfff6ba9924a836865d1d2fc748949.exe
    "C:\Users\Admin\AppData\Local\Temp\d580a63c97c6253668994eb0f9d1361d2cdfff6ba9924a836865d1d2fc748949.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • Modifies Installed Components in the registry
      PID:1644
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:3656
      • C:\Users\Admin\AppData\Local\Temp\d580a63c97c6253668994eb0f9d1361d2cdfff6ba9924a836865d1d2fc748949.exe
        "C:\Users\Admin\AppData\Local\Temp\d580a63c97c6253668994eb0f9d1361d2cdfff6ba9924a836865d1d2fc748949.exe"
        2⤵
        • Checks computer location settings
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:2472
        • C:\Windows\install\server.exe
          "C:\Windows\install\server.exe"
          3⤵
          • Executes dropped EXE
          PID:1816
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 576
            4⤵
            • Program crash
            PID:3492
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1816 -ip 1816
        1⤵
          PID:1132

        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\XX--XX--XX.txt
          Filesize

          222KB

          MD5

          c642f2169a0aa71f9046a1b00ff53cf9

          SHA1

          007b784d966b0ac833695d815a35d2163ef50f0a

          SHA256

          72d22baff47a2b474deff806ee9548a4239d6e711677817806a2e3195b6c25db

          SHA512

          dc446a18b790feab95dd375e3ae7cdf6662ac30755c52daf11517482eb17a1a64c8424d1900784abd83df3939e38bb417fb257e54ed57438f0ff810f5b961630

        • C:\Windows\install\server.exe
          Filesize

          267KB

          MD5

          3b45606e6ae265e95c4dc1adb971be06

          SHA1

          47b5a3ee01c247853663c4a5b6ed34382f792007

          SHA256

          d580a63c97c6253668994eb0f9d1361d2cdfff6ba9924a836865d1d2fc748949

          SHA512

          770178cd9a77a4dfda88fc03e569b03ae537f4726c0d7d5c42679e6fbcbcfe96384ce8b1ac9dcd33be254c78a66a60bf8fb7f09f2099966ae907680b4ed6e200

        • C:\Windows\install\server.exe
          Filesize

          267KB

          MD5

          3b45606e6ae265e95c4dc1adb971be06

          SHA1

          47b5a3ee01c247853663c4a5b6ed34382f792007

          SHA256

          d580a63c97c6253668994eb0f9d1361d2cdfff6ba9924a836865d1d2fc748949

          SHA512

          770178cd9a77a4dfda88fc03e569b03ae537f4726c0d7d5c42679e6fbcbcfe96384ce8b1ac9dcd33be254c78a66a60bf8fb7f09f2099966ae907680b4ed6e200

        • memory/1644-162-0x0000000010480000-0x00000000104E1000-memory.dmp
          Filesize

          388KB

        • memory/1644-138-0x0000000000000000-mapping.dmp
        • memory/1644-142-0x0000000010480000-0x00000000104E1000-memory.dmp
          Filesize

          388KB

        • memory/1644-143-0x0000000010480000-0x00000000104E1000-memory.dmp
          Filesize

          388KB

        • memory/1816-159-0x0000000000000000-mapping.dmp
        • memory/1816-161-0x0000000000400000-0x0000000000455000-memory.dmp
          Filesize

          340KB

        • memory/1828-147-0x00000000104F0000-0x0000000010551000-memory.dmp
          Filesize

          388KB

        • memory/1828-153-0x0000000010560000-0x00000000105C1000-memory.dmp
          Filesize

          388KB

        • memory/1828-157-0x0000000000400000-0x0000000000455000-memory.dmp
          Filesize

          340KB

        • memory/1828-132-0x0000000000400000-0x0000000000455000-memory.dmp
          Filesize

          340KB

        • memory/1828-139-0x0000000010480000-0x00000000104E1000-memory.dmp
          Filesize

          388KB

        • memory/1828-134-0x0000000010410000-0x0000000010471000-memory.dmp
          Filesize

          388KB

        • memory/2472-151-0x0000000000000000-mapping.dmp
        • memory/2472-152-0x0000000000400000-0x0000000000455000-memory.dmp
          Filesize

          340KB

        • memory/2472-156-0x0000000010560000-0x00000000105C1000-memory.dmp
          Filesize

          388KB

        • memory/2472-158-0x0000000010560000-0x00000000105C1000-memory.dmp
          Filesize

          388KB

        • memory/2472-163-0x0000000010560000-0x00000000105C1000-memory.dmp
          Filesize

          388KB