Analysis

  • max time kernel
    151s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2022 01:34

General

  • Target

    dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a.exe

  • Size

    276KB

  • MD5

    43b18ef10680b7598f1a0913175d7a97

  • SHA1

    94559cb393666388068a14934d9093157cfbd923

  • SHA256

    dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a

  • SHA512

    afe1f7252116aa494364debde19d06a59b1b6e03ba7cbdbab94874fcb9b7139f881e63dc3514c0857859fcb7164f3c6f35dafafd30bac4d99e953e74092cb5b8

  • SSDEEP

    6144:gk4qmBwqz0ncgMOtWs7AYNr5bnF1tZbgSg9:b9/UgMARDbn

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

victima

C2

penesviolentos.no-ip.org:1604

192.168.1.38:1604

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Win32

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    penes

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

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 14 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 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.

  • 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\dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a.exe
    "C:\Users\Admin\AppData\Local\Temp\dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:1208
      • C:\Users\Admin\AppData\Local\Temp\dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a.exe
        "C:\Users\Admin\AppData\Local\Temp\dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a.exe"
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1956
        • C:\Windows\SysWOW64\Win32\server.exe
          "C:\Windows\system32\Win32\server.exe"
          3⤵
          • Executes dropped EXE
          PID:1060

    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

      b9d9b65f282eae0e2ed78de8d31fbfbd

      SHA1

      ba2d3cb8e9a45c807615e1f3efce183f39a4837b

      SHA256

      a2b9d77f9411e7683ba853f8ac70ae27618d324335acb2c0d1b5a29fffcb874a

      SHA512

      820a03ddf6771e6e83576e1acf7e18e4f77d2f2a4d90ddf37bbd3ac8a85ef855423b0262c1deb52b55a36a04931ce03768452601f5c96c6ff9d3cbb6ccfb343b

    • C:\Windows\SysWOW64\Win32\server.exe
      Filesize

      276KB

      MD5

      43b18ef10680b7598f1a0913175d7a97

      SHA1

      94559cb393666388068a14934d9093157cfbd923

      SHA256

      dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a

      SHA512

      afe1f7252116aa494364debde19d06a59b1b6e03ba7cbdbab94874fcb9b7139f881e63dc3514c0857859fcb7164f3c6f35dafafd30bac4d99e953e74092cb5b8

    • C:\Windows\SysWOW64\Win32\server.exe
      Filesize

      276KB

      MD5

      43b18ef10680b7598f1a0913175d7a97

      SHA1

      94559cb393666388068a14934d9093157cfbd923

      SHA256

      dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a

      SHA512

      afe1f7252116aa494364debde19d06a59b1b6e03ba7cbdbab94874fcb9b7139f881e63dc3514c0857859fcb7164f3c6f35dafafd30bac4d99e953e74092cb5b8

    • \Windows\SysWOW64\Win32\server.exe
      Filesize

      276KB

      MD5

      43b18ef10680b7598f1a0913175d7a97

      SHA1

      94559cb393666388068a14934d9093157cfbd923

      SHA256

      dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a

      SHA512

      afe1f7252116aa494364debde19d06a59b1b6e03ba7cbdbab94874fcb9b7139f881e63dc3514c0857859fcb7164f3c6f35dafafd30bac4d99e953e74092cb5b8

    • \Windows\SysWOW64\Win32\server.exe
      Filesize

      276KB

      MD5

      43b18ef10680b7598f1a0913175d7a97

      SHA1

      94559cb393666388068a14934d9093157cfbd923

      SHA256

      dcd158ecab490df88a41a15aec7139d7b677dccefd7fff6c0573ecbce2675c3a

      SHA512

      afe1f7252116aa494364debde19d06a59b1b6e03ba7cbdbab94874fcb9b7139f881e63dc3514c0857859fcb7164f3c6f35dafafd30bac4d99e953e74092cb5b8

    • memory/1060-76-0x0000000000000000-mapping.dmp
    • memory/1060-82-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1060-81-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1956-71-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1956-66-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1956-61-0x0000000000000000-mapping.dmp
    • memory/1956-70-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1956-79-0x0000000004BF0000-0x0000000004C47000-memory.dmp
      Filesize

      348KB

    • memory/1956-80-0x0000000004BF0000-0x0000000004C47000-memory.dmp
      Filesize

      348KB

    • memory/1956-68-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1956-83-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/2032-63-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/2032-57-0x0000000024010000-0x0000000024072000-memory.dmp
      Filesize

      392KB

    • memory/2032-55-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/2032-54-0x0000000075C21000-0x0000000075C23000-memory.dmp
      Filesize

      8KB

    • memory/2032-69-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB