Analysis

  • max time kernel
    154s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 02:32

General

  • Target

    4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d.exe

  • Size

    276KB

  • MD5

    703562e23ec4223b3a5731d0d87d6147

  • SHA1

    115936dd73e1f3e991a74a2202ac2e8e85cd6f57

  • SHA256

    4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d

  • SHA512

    a60a60889335d58e472602f6395cf6226f7064d632573c77cf78f3f4445f66bba180e67fbbd26c827cc856a817d89dc0c446093a850cf79f167ec00e32948507

  • SSDEEP

    6144:Uk4qmyZ2exivdHO/qR/GOLsTM5ZaxIY2KVuN7iRYRKbzRs:394dHtH0M5ZaxVUN7EYRgz

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Victima

C2

rossihacking.no-ip.biz:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • 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

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

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 2 IoCs
  • UPX packed file 15 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d.exe
    "C:\Users\Admin\AppData\Local\Temp\4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:1780
      • C:\Users\Admin\AppData\Local\Temp\4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d.exe
        "C:\Users\Admin\AppData\Local\Temp\4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1776
        • C:\dir\install\install\server.exe
          "C:\dir\install\install\server.exe"
          3⤵
          • Executes dropped EXE
          PID:1320

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    2
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      229KB

      MD5

      f5938c077f40c2236bedea83388b2e48

      SHA1

      8787c89c851618128d3b5f9a57ee4f5672b035ca

      SHA256

      770aa1d439763b3327c09e278dadf31bc39e621a2b80d0034e5e9d3d3ff27fb2

      SHA512

      8a0b1fb5f0da63b9930f71ba8b1f4d6d3090bde4be583125b71328d282a63c7e8a0cb4afbe75e08c616f44b2a604b21d9d2a08eb99ac464f335e28bc22965fb0

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

      276KB

      MD5

      703562e23ec4223b3a5731d0d87d6147

      SHA1

      115936dd73e1f3e991a74a2202ac2e8e85cd6f57

      SHA256

      4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d

      SHA512

      a60a60889335d58e472602f6395cf6226f7064d632573c77cf78f3f4445f66bba180e67fbbd26c827cc856a817d89dc0c446093a850cf79f167ec00e32948507

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

      276KB

      MD5

      703562e23ec4223b3a5731d0d87d6147

      SHA1

      115936dd73e1f3e991a74a2202ac2e8e85cd6f57

      SHA256

      4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d

      SHA512

      a60a60889335d58e472602f6395cf6226f7064d632573c77cf78f3f4445f66bba180e67fbbd26c827cc856a817d89dc0c446093a850cf79f167ec00e32948507

    • \dir\install\install\server.exe
      Filesize

      276KB

      MD5

      703562e23ec4223b3a5731d0d87d6147

      SHA1

      115936dd73e1f3e991a74a2202ac2e8e85cd6f57

      SHA256

      4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d

      SHA512

      a60a60889335d58e472602f6395cf6226f7064d632573c77cf78f3f4445f66bba180e67fbbd26c827cc856a817d89dc0c446093a850cf79f167ec00e32948507

    • \dir\install\install\server.exe
      Filesize

      276KB

      MD5

      703562e23ec4223b3a5731d0d87d6147

      SHA1

      115936dd73e1f3e991a74a2202ac2e8e85cd6f57

      SHA256

      4abf15a9cb1f443f426db4d8d5c349d251ec89503a0748e8b867bbd7a361225d

      SHA512

      a60a60889335d58e472602f6395cf6226f7064d632573c77cf78f3f4445f66bba180e67fbbd26c827cc856a817d89dc0c446093a850cf79f167ec00e32948507

    • memory/1320-82-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1320-76-0x0000000000000000-mapping.dmp
    • memory/1320-81-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1776-83-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1776-71-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1776-70-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1776-61-0x0000000000000000-mapping.dmp
    • memory/1776-68-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1776-66-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1776-84-0x0000000004AB0000-0x0000000004B07000-memory.dmp
      Filesize

      348KB

    • memory/1776-80-0x0000000004AB0000-0x0000000004B07000-memory.dmp
      Filesize

      348KB

    • memory/1776-79-0x0000000004AB0000-0x0000000004B07000-memory.dmp
      Filesize

      348KB

    • memory/1788-55-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1788-54-0x0000000076321000-0x0000000076323000-memory.dmp
      Filesize

      8KB

    • memory/1788-57-0x0000000024010000-0x0000000024072000-memory.dmp
      Filesize

      392KB

    • memory/1788-69-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1788-63-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB