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Analysis

  • max time kernel
    153s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 23:25

General

  • Target

    ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3.exe

  • Size

    277KB

  • MD5

    53bd7b9ee969bced0bb4b0f62fd0772e

  • SHA1

    a7cb2cb9efa73c4873b7a8f6bb1479b2783a6667

  • SHA256

    ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3

  • SHA512

    87d5df224b81fac0b323af9012c4716d1dd795dad1afc0c413a4af181b497b35205ff67f7d3113bb2bc35129c6fbcc2f42605595ccb4148acad4c6b5b1b18f3f

  • SSDEEP

    6144:ak4qmsI+RGqjMsKslxSwQvu49myE8KjhFE2kuT0Vfo5J2N//YL5A4v:F9DndlYwQvu49mgODkzUJ2N//o3

Malware Config

Extracted

Family

cybergate

Version

2.7 Beta 02

Botnet

chiheb

C2

hack-bifrost.no-ip.org: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

    chiheb

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\ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3.exe
    "C:\Users\Admin\AppData\Local\Temp\ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:832
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:1284
      • C:\Users\Admin\AppData\Local\Temp\ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3.exe
        "C:\Users\Admin\AppData\Local\Temp\ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1356
        • C:\dir\install\install\server.exe
          "C:\dir\install\install\server.exe"
          3⤵
          • Executes dropped EXE
          PID:736

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      230KB

      MD5

      b6781074a3a122820ae84821f5f37f94

      SHA1

      843da159272975356ec7fe1b754ea08e31ef6542

      SHA256

      0e7beccec7c8195b5ac932a8a916d2dc212f713741771aff9b09d644fe336c51

      SHA512

      736244bf68fd85ba949b69584707e119cfece322589715238ed03ff116ee26434ad91c1620c0bd494106c770021750e3f7047d64c7c7bd5fe749705d90f66435

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

      Filesize

      277KB

      MD5

      53bd7b9ee969bced0bb4b0f62fd0772e

      SHA1

      a7cb2cb9efa73c4873b7a8f6bb1479b2783a6667

      SHA256

      ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3

      SHA512

      87d5df224b81fac0b323af9012c4716d1dd795dad1afc0c413a4af181b497b35205ff67f7d3113bb2bc35129c6fbcc2f42605595ccb4148acad4c6b5b1b18f3f

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

      Filesize

      277KB

      MD5

      53bd7b9ee969bced0bb4b0f62fd0772e

      SHA1

      a7cb2cb9efa73c4873b7a8f6bb1479b2783a6667

      SHA256

      ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3

      SHA512

      87d5df224b81fac0b323af9012c4716d1dd795dad1afc0c413a4af181b497b35205ff67f7d3113bb2bc35129c6fbcc2f42605595ccb4148acad4c6b5b1b18f3f

    • \dir\install\install\server.exe

      Filesize

      277KB

      MD5

      53bd7b9ee969bced0bb4b0f62fd0772e

      SHA1

      a7cb2cb9efa73c4873b7a8f6bb1479b2783a6667

      SHA256

      ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3

      SHA512

      87d5df224b81fac0b323af9012c4716d1dd795dad1afc0c413a4af181b497b35205ff67f7d3113bb2bc35129c6fbcc2f42605595ccb4148acad4c6b5b1b18f3f

    • \dir\install\install\server.exe

      Filesize

      277KB

      MD5

      53bd7b9ee969bced0bb4b0f62fd0772e

      SHA1

      a7cb2cb9efa73c4873b7a8f6bb1479b2783a6667

      SHA256

      ab4fd5313e3fac585c04d0a6735724fac0824bb6a06efc8bb6b1b9aa1a6948b3

      SHA512

      87d5df224b81fac0b323af9012c4716d1dd795dad1afc0c413a4af181b497b35205ff67f7d3113bb2bc35129c6fbcc2f42605595ccb4148acad4c6b5b1b18f3f

    • memory/736-83-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/736-82-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/832-71-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/832-65-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/832-57-0x0000000024010000-0x0000000024072000-memory.dmp

      Filesize

      392KB

    • memory/832-55-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/832-63-0x0000000000220000-0x0000000000278000-memory.dmp

      Filesize

      352KB

    • memory/832-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

      Filesize

      8KB

    • memory/1356-68-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/1356-79-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/1356-80-0x0000000004AB0000-0x0000000004B08000-memory.dmp

      Filesize

      352KB

    • memory/1356-81-0x0000000004AB0000-0x0000000004B08000-memory.dmp

      Filesize

      352KB

    • memory/1356-64-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1356-70-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/1356-84-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/1356-85-0x0000000004AB0000-0x0000000004B08000-memory.dmp

      Filesize

      352KB