Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 15:09

General

  • Target

    e2358cdbb3cbee3d291a131fd4d8afa2d942ba2b2745ac47150279b2d00c9272.exe

  • Size

    366KB

  • MD5

    1ced584972d8292b170f2381b2978fd4

  • SHA1

    7e13077c0df5ee3d9828d63094446513fdcedff6

  • SHA256

    e2358cdbb3cbee3d291a131fd4d8afa2d942ba2b2745ac47150279b2d00c9272

  • SHA512

    604fc86bb8124e6a52e72bf8b04f1c8503db51336e7841f956c3e6fc4e3a45ecd6769d5393149ae37d97a8fb3ed4e68da15cecda896d0476338555e5232737e9

  • SSDEEP

    6144:rmcD66RRjAEncfEnc9CKFKbr5JGmrpQsK3RD2u270jupCJsCxCj:ycD663A7VDZ2zkPaCx8

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Server

C2

foryou0077.dyndns.biz:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    spynet

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    HKCU

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
  • UPX packed file 10 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 2 IoCs
  • Drops file in System32 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 2 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:980
      • C:\Users\Admin\AppData\Local\Temp\e2358cdbb3cbee3d291a131fd4d8afa2d942ba2b2745ac47150279b2d00c9272.exe
        "C:\Users\Admin\AppData\Local\Temp\e2358cdbb3cbee3d291a131fd4d8afa2d942ba2b2745ac47150279b2d00c9272.exe"
        2⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1604
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
            PID:4904
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            3⤵
              PID:3540
            • C:\Users\Admin\AppData\Local\Temp\e2358cdbb3cbee3d291a131fd4d8afa2d942ba2b2745ac47150279b2d00c9272.exe
              "C:\Users\Admin\AppData\Local\Temp\e2358cdbb3cbee3d291a131fd4d8afa2d942ba2b2745ac47150279b2d00c9272.exe"
              3⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2260
              • C:\Windows\SysWOW64\NOTEPAD.EXE
                "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\FLOOD IDS 3400.txt
                4⤵
                  PID:2060
                • C:\Windows\SysWOW64\spynet\server.exe
                  "C:\Windows\system32\spynet\server.exe"
                  4⤵
                  • Executes dropped EXE
                  PID:332
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 572
                    5⤵
                    • Program crash
                    PID:3904
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 332 -ip 332
            1⤵
              PID:2024

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\FLOOD IDS 3400.txt

                    Filesize

                    33KB

                    MD5

                    2044ed3f57b5def1f2f949d7b2a2674d

                    SHA1

                    703af488f2201d7b439e0757e392815f5848caf9

                    SHA256

                    cbae5d101f509716f339f6bb6ebe4d3c4bb23e535165ae49b1256c0c9f752091

                    SHA512

                    cc430e1e2d79308e640e9c940226ac6c24b240c4f6e268b723e3fcb4e9e372bdceebeef5269d748f327de1f797162fa16b7b64c9d0878907d5a73370551eddbb

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

                    Filesize

                    263KB

                    MD5

                    cd28f5cce2ca43c105ff9aec08e678bd

                    SHA1

                    55a580ba85665c03949a08b7743b1d63a2818926

                    SHA256

                    e7d3f574ff5373ab9cd85834a39dc1aa3133ead721a626c5160d5146bf1b5965

                    SHA512

                    571ac25dacd7570d89f3448404dd494603daf24b44f8c275867d34ab57c9cb0e06589b98cdb3a7d28d0aa2616d1a5b66c280bdebb9b332d9aefe09eff2619e32

                  • C:\Windows\SysWOW64\spynet\server.exe

                    Filesize

                    366KB

                    MD5

                    1ced584972d8292b170f2381b2978fd4

                    SHA1

                    7e13077c0df5ee3d9828d63094446513fdcedff6

                    SHA256

                    e2358cdbb3cbee3d291a131fd4d8afa2d942ba2b2745ac47150279b2d00c9272

                    SHA512

                    604fc86bb8124e6a52e72bf8b04f1c8503db51336e7841f956c3e6fc4e3a45ecd6769d5393149ae37d97a8fb3ed4e68da15cecda896d0476338555e5232737e9

                  • C:\Windows\SysWOW64\spynet\server.exe

                    Filesize

                    366KB

                    MD5

                    1ced584972d8292b170f2381b2978fd4

                    SHA1

                    7e13077c0df5ee3d9828d63094446513fdcedff6

                    SHA256

                    e2358cdbb3cbee3d291a131fd4d8afa2d942ba2b2745ac47150279b2d00c9272

                    SHA512

                    604fc86bb8124e6a52e72bf8b04f1c8503db51336e7841f956c3e6fc4e3a45ecd6769d5393149ae37d97a8fb3ed4e68da15cecda896d0476338555e5232737e9

                  • memory/1604-138-0x0000000024080000-0x00000000240E2000-memory.dmp

                    Filesize

                    392KB

                  • memory/1604-146-0x00000000240F0000-0x0000000024152000-memory.dmp

                    Filesize

                    392KB

                  • memory/1604-133-0x0000000024010000-0x0000000024072000-memory.dmp

                    Filesize

                    392KB

                  • memory/1604-151-0x0000000024160000-0x00000000241C2000-memory.dmp

                    Filesize

                    392KB

                  • memory/2260-156-0x0000000024160000-0x00000000241C2000-memory.dmp

                    Filesize

                    392KB

                  • memory/2260-154-0x0000000024160000-0x00000000241C2000-memory.dmp

                    Filesize

                    392KB

                  • memory/2260-161-0x0000000024160000-0x00000000241C2000-memory.dmp

                    Filesize

                    392KB

                  • memory/4904-142-0x0000000024080000-0x00000000240E2000-memory.dmp

                    Filesize

                    392KB

                  • memory/4904-141-0x0000000024080000-0x00000000240E2000-memory.dmp

                    Filesize

                    392KB

                  • memory/4904-160-0x0000000024080000-0x00000000240E2000-memory.dmp

                    Filesize

                    392KB