Analysis

  • max time kernel
    174s
  • max time network
    175s
  • 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, 06:43

General

  • Target

    53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19.exe

  • Size

    364KB

  • MD5

    63ae9f85778168aa4cd2fa53e4a37580

  • SHA1

    d1676765366550fd3d76f52c4afc3d0e9c7a8866

  • SHA256

    53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19

  • SHA512

    69b719333954d83cd0550eda162c27484a24155a2a486f395542159a04b9206220270bad3ec15a0470a96aa6e532e23affde985365372e3128089ee9aad4182a

  • SSDEEP

    6144:jM5rH0B9gIdPQAjNTrR47RwhwR4uiLZJzsZ7jpNaoQqd5uzkk4:XX3jNTtYRyZnLXKQqWzkk

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

BBVA

C2

127.0.0.1:80

rigodon.no-ip.info:80

Mutex

ASD7669AF

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    winlogon.exe

  • install_dir

    microsoft

  • install_file

    Winlog.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Archivo incompatible

  • message_box_title

    Error

  • password

    abcd1234

  • regkey_hkcu

    user

  • regkey_hklm

    machine

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 14 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
  • Suspicious use of SetThreadContext 2 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19.exe
    "C:\Users\Admin\AppData\Local\Temp\53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3252
    • C:\Users\Admin\AppData\Local\Temp\53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19.exe
      "C:\Users\Admin\AppData\Local\Temp\53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19.exe"
      2⤵
      • 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 WriteProcessMemory
      PID:4852
      • C:\Users\Admin\AppData\Local\Temp\53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19.exe
        "C:\Users\Admin\AppData\Local\Temp\53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19.exe"
        3⤵
        • Checks computer location settings
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:4656
        • C:\Windows\microsoft\Winlog.exe
          "C:\Windows\microsoft\Winlog.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          PID:5076
          • C:\Windows\microsoft\Winlog.exe
            "C:\Windows\microsoft\Winlog.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:2080

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

    a84d7255ee8bfbf5789c1975cfad3d64

    SHA1

    eac8312b94dbb7184b232c3af7b1099b95d31fa1

    SHA256

    6d3474fa4052b3e8c7ba6ef690525c1127c183a7210e34fbbdd29c0c9a7944d8

    SHA512

    b1d186507a9cb19356bcdd5f1b98ccd8436a4d28aba54e1f68956b10ef2579bd23d155f6ef27c0eed0981b6fb7655ae5c0ed7cd50ac8c390d137d4a944c81998

  • C:\Windows\microsoft\Winlog.exe

    Filesize

    364KB

    MD5

    63ae9f85778168aa4cd2fa53e4a37580

    SHA1

    d1676765366550fd3d76f52c4afc3d0e9c7a8866

    SHA256

    53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19

    SHA512

    69b719333954d83cd0550eda162c27484a24155a2a486f395542159a04b9206220270bad3ec15a0470a96aa6e532e23affde985365372e3128089ee9aad4182a

  • C:\Windows\microsoft\Winlog.exe

    Filesize

    364KB

    MD5

    63ae9f85778168aa4cd2fa53e4a37580

    SHA1

    d1676765366550fd3d76f52c4afc3d0e9c7a8866

    SHA256

    53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19

    SHA512

    69b719333954d83cd0550eda162c27484a24155a2a486f395542159a04b9206220270bad3ec15a0470a96aa6e532e23affde985365372e3128089ee9aad4182a

  • C:\Windows\microsoft\Winlog.exe

    Filesize

    364KB

    MD5

    63ae9f85778168aa4cd2fa53e4a37580

    SHA1

    d1676765366550fd3d76f52c4afc3d0e9c7a8866

    SHA256

    53d493cb1d89b755d39c6f4b2315e3a10fb38ad69abc2108429fdd59eb708b19

    SHA512

    69b719333954d83cd0550eda162c27484a24155a2a486f395542159a04b9206220270bad3ec15a0470a96aa6e532e23affde985365372e3128089ee9aad4182a

  • memory/2080-170-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/2080-169-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/2080-168-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/2080-167-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/3252-139-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3252-133-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4656-153-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4656-154-0x0000000024010000-0x0000000024072000-memory.dmp

    Filesize

    392KB

  • memory/4656-151-0x0000000024010000-0x0000000024072000-memory.dmp

    Filesize

    392KB

  • memory/4656-171-0x0000000024010000-0x0000000024072000-memory.dmp

    Filesize

    392KB

  • memory/4852-141-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/4852-152-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/4852-148-0x0000000024010000-0x0000000024072000-memory.dmp

    Filesize

    392KB

  • memory/4852-143-0x00000000006F0000-0x0000000000752000-memory.dmp

    Filesize

    392KB

  • memory/4852-140-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/4852-138-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/4852-136-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5076-161-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/5076-165-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB