Analysis

  • max time kernel
    162s
  • max time network
    192s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 20:09

General

  • Target

    f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe

  • Size

    404KB

  • MD5

    53424d1c59101bea615994e2b8cd8f25

  • SHA1

    53498b45262c92378171d9a778480e4dc7368502

  • SHA256

    f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2

  • SHA512

    4772f0d7043f79039858f1cf9a095900a4d0d353eb38effa783db8d3bf36595fc37949039860540848db9b9a7d72123a3097c8705c0b24df94b880e3b7c31ec1

  • SSDEEP

    12288:ltQ24ZWeQmSIlvZtWeycsMtmjsDxPCHkIrO:E24ZW7YlbWeDsMtmjAxKG

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

system

C2

steup.no-ip.org:85

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

    crack.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    system

  • regkey_hklm

    system

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 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Windows directory 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\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe
    "C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.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 WriteProcessMemory
    PID:624
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:1256
      • C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe
        "C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1064
        • C:\Windows\install\crack.exe
          "C:\Windows\install\crack.exe"
          3⤵
          • Executes dropped EXE
          PID:1768

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    3
    T1060

    Defense Evasion

    Modify Registry

    3
    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

      f78ff0e58b7290cccc1ec91beafb69b0

      SHA1

      a5be466a6504e5ff00a24a85e6023fadb71bcb50

      SHA256

      70648aefec95b2a4393002943a4956638001a48f87f6cb6b03b9dbe4709c2b09

      SHA512

      295a175e68d2642ccc86e21b1ef96812932ebc71f60d7aab77974d742dc6878d332dcbaee942c2ec4fb0dc966926a727bb6bff09dd7fe5b92e818a08060d5ed3

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

      404KB

      MD5

      53424d1c59101bea615994e2b8cd8f25

      SHA1

      53498b45262c92378171d9a778480e4dc7368502

      SHA256

      f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2

      SHA512

      4772f0d7043f79039858f1cf9a095900a4d0d353eb38effa783db8d3bf36595fc37949039860540848db9b9a7d72123a3097c8705c0b24df94b880e3b7c31ec1

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

      404KB

      MD5

      53424d1c59101bea615994e2b8cd8f25

      SHA1

      53498b45262c92378171d9a778480e4dc7368502

      SHA256

      f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2

      SHA512

      4772f0d7043f79039858f1cf9a095900a4d0d353eb38effa783db8d3bf36595fc37949039860540848db9b9a7d72123a3097c8705c0b24df94b880e3b7c31ec1

    • \Windows\install\crack.exe
      Filesize

      404KB

      MD5

      53424d1c59101bea615994e2b8cd8f25

      SHA1

      53498b45262c92378171d9a778480e4dc7368502

      SHA256

      f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2

      SHA512

      4772f0d7043f79039858f1cf9a095900a4d0d353eb38effa783db8d3bf36595fc37949039860540848db9b9a7d72123a3097c8705c0b24df94b880e3b7c31ec1

    • \Windows\install\crack.exe
      Filesize

      404KB

      MD5

      53424d1c59101bea615994e2b8cd8f25

      SHA1

      53498b45262c92378171d9a778480e4dc7368502

      SHA256

      f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2

      SHA512

      4772f0d7043f79039858f1cf9a095900a4d0d353eb38effa783db8d3bf36595fc37949039860540848db9b9a7d72123a3097c8705c0b24df94b880e3b7c31ec1

    • memory/624-61-0x0000000024010000-0x0000000024072000-memory.dmp
      Filesize

      392KB

    • memory/624-58-0x0000000000470000-0x00000000004A9000-memory.dmp
      Filesize

      228KB

    • memory/624-55-0x00000000766F1000-0x00000000766F3000-memory.dmp
      Filesize

      8KB

    • memory/624-67-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/624-57-0x00000000001B0000-0x00000000001B4000-memory.dmp
      Filesize

      16KB

    • memory/624-73-0x0000000000400000-0x0000000000465000-memory.dmp
      Filesize

      404KB

    • memory/624-74-0x0000000000470000-0x00000000004A9000-memory.dmp
      Filesize

      228KB

    • memory/624-56-0x0000000000400000-0x0000000000465000-memory.dmp
      Filesize

      404KB

    • memory/624-59-0x0000000000541000-0x0000000000545000-memory.dmp
      Filesize

      16KB

    • memory/624-54-0x0000000000400000-0x0000000000465000-memory.dmp
      Filesize

      404KB

    • memory/1064-72-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1064-70-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1064-65-0x0000000000000000-mapping.dmp
    • memory/1064-85-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1064-87-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1768-79-0x0000000000000000-mapping.dmp
    • memory/1768-81-0x0000000000400000-0x0000000000465000-memory.dmp
      Filesize

      404KB

    • memory/1768-84-0x0000000000270000-0x00000000002A9000-memory.dmp
      Filesize

      228KB

    • memory/1768-83-0x0000000000400000-0x0000000000465000-memory.dmp
      Filesize

      404KB

    • memory/1768-86-0x0000000000400000-0x0000000000465000-memory.dmp
      Filesize

      404KB