Analysis

  • max time kernel
    252s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 14:15

General

  • Target

    e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822.exe

  • Size

    441KB

  • MD5

    3cf42afc34e519db0b0ebbac91b28380

  • SHA1

    0be86c224ec31a39a4f3ef2b93a505fea7d21143

  • SHA256

    e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822

  • SHA512

    7735b86e64ae7f4cfac5ec08596733192e28687f587c53b708cc56e97b6691a144bce94461a0491d2a98e05d39f42cef22bb70a7e18c862c256a61f83679fec1

  • SSDEEP

    12288:lpFwaHiTVYrnWGhrvGIU3Gz1GYOnVKj4w:rKaCTVYLZhra3GzgYOnVKj4w

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

víctima

C2

psychotoxic.no-ip.org:1950

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Win32

  • install_file

    alg.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Archivo incompatible.

  • message_box_title

    Error

  • password

    1234

  • 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 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 25 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 4 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.

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

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1284
      • C:\Users\Admin\AppData\Local\Temp\e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822.exe
        "C:\Users\Admin\AppData\Local\Temp\e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822.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 FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:472
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Loads dropped DLL
          PID:1840
          • C:\Windows\Win32\alg.exe
            "C:\Windows\Win32\alg.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:852
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:1320
          • C:\Users\Admin\AppData\Local\Temp\e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822.exe
            "C:\Users\Admin\AppData\Local\Temp\e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822.exe"
            3⤵
            • Loads dropped DLL
            • Drops file in Windows directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:812
            • C:\Windows\Win32\alg.exe
              "C:\Windows\Win32\alg.exe"
              4⤵
              • Executes dropped EXE
              PID:1612

      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

        f6272ca02fde7548254215efee555393

        SHA1

        a77428b279c26744aaf9d1a433c6ddc39c5e43e8

        SHA256

        66daabfecebb0bf794b7ae1ae79b5a1ad5db507efb47f1a88cc4637dfd4e623e

        SHA512

        621776a9362409709a6fcab0ab6fe379ef646e1118569cd23012d395d88f323679dd10b36e0d784b41ee1e54d264e25ffef2f5c000453e274416ce2f0e4a4f65

      • C:\Windows\Win32\alg.exe
        Filesize

        441KB

        MD5

        3cf42afc34e519db0b0ebbac91b28380

        SHA1

        0be86c224ec31a39a4f3ef2b93a505fea7d21143

        SHA256

        e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822

        SHA512

        7735b86e64ae7f4cfac5ec08596733192e28687f587c53b708cc56e97b6691a144bce94461a0491d2a98e05d39f42cef22bb70a7e18c862c256a61f83679fec1

      • C:\Windows\Win32\alg.exe
        Filesize

        441KB

        MD5

        3cf42afc34e519db0b0ebbac91b28380

        SHA1

        0be86c224ec31a39a4f3ef2b93a505fea7d21143

        SHA256

        e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822

        SHA512

        7735b86e64ae7f4cfac5ec08596733192e28687f587c53b708cc56e97b6691a144bce94461a0491d2a98e05d39f42cef22bb70a7e18c862c256a61f83679fec1

      • C:\Windows\Win32\alg.exe
        Filesize

        441KB

        MD5

        3cf42afc34e519db0b0ebbac91b28380

        SHA1

        0be86c224ec31a39a4f3ef2b93a505fea7d21143

        SHA256

        e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822

        SHA512

        7735b86e64ae7f4cfac5ec08596733192e28687f587c53b708cc56e97b6691a144bce94461a0491d2a98e05d39f42cef22bb70a7e18c862c256a61f83679fec1

      • \Windows\Win32\alg.exe
        Filesize

        441KB

        MD5

        3cf42afc34e519db0b0ebbac91b28380

        SHA1

        0be86c224ec31a39a4f3ef2b93a505fea7d21143

        SHA256

        e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822

        SHA512

        7735b86e64ae7f4cfac5ec08596733192e28687f587c53b708cc56e97b6691a144bce94461a0491d2a98e05d39f42cef22bb70a7e18c862c256a61f83679fec1

      • \Windows\Win32\alg.exe
        Filesize

        441KB

        MD5

        3cf42afc34e519db0b0ebbac91b28380

        SHA1

        0be86c224ec31a39a4f3ef2b93a505fea7d21143

        SHA256

        e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822

        SHA512

        7735b86e64ae7f4cfac5ec08596733192e28687f587c53b708cc56e97b6691a144bce94461a0491d2a98e05d39f42cef22bb70a7e18c862c256a61f83679fec1

      • \Windows\Win32\alg.exe
        Filesize

        441KB

        MD5

        3cf42afc34e519db0b0ebbac91b28380

        SHA1

        0be86c224ec31a39a4f3ef2b93a505fea7d21143

        SHA256

        e31e3af1006c72603842b20c6b7832d5cbd1cc90e88b40ca8ccc713618ae9822

        SHA512

        7735b86e64ae7f4cfac5ec08596733192e28687f587c53b708cc56e97b6691a144bce94461a0491d2a98e05d39f42cef22bb70a7e18c862c256a61f83679fec1

      • memory/472-54-0x0000000074FA1000-0x0000000074FA3000-memory.dmp
        Filesize

        8KB

      • memory/472-95-0x0000000000400000-0x00000000004B8000-memory.dmp
        Filesize

        736KB

      • memory/472-55-0x0000000000400000-0x00000000004B8000-memory.dmp
        Filesize

        736KB

      • memory/472-66-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/472-76-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/472-87-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/472-81-0x00000000004C0000-0x0000000000578000-memory.dmp
        Filesize

        736KB

      • memory/472-57-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/812-98-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/812-80-0x0000000000000000-mapping.dmp
      • memory/812-109-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/812-94-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/812-107-0x0000000000400000-0x00000000004B8000-memory.dmp
        Filesize

        736KB

      • memory/812-82-0x0000000000400000-0x00000000004B8000-memory.dmp
        Filesize

        736KB

      • memory/852-86-0x0000000000000000-mapping.dmp
      • memory/852-104-0x0000000000400000-0x00000000004B8000-memory.dmp
        Filesize

        736KB

      • memory/852-97-0x0000000000400000-0x00000000004B8000-memory.dmp
        Filesize

        736KB

      • memory/1284-60-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/1612-103-0x0000000000400000-0x00000000004B8000-memory.dmp
        Filesize

        736KB

      • memory/1612-100-0x0000000000000000-mapping.dmp
      • memory/1612-105-0x0000000000400000-0x00000000004B8000-memory.dmp
        Filesize

        736KB

      • memory/1840-63-0x0000000000000000-mapping.dmp
      • memory/1840-65-0x00000000743E1000-0x00000000743E3000-memory.dmp
        Filesize

        8KB

      • memory/1840-96-0x0000000003A50000-0x0000000003B08000-memory.dmp
        Filesize

        736KB

      • memory/1840-106-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/1840-71-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/1840-108-0x0000000003A50000-0x0000000003B08000-memory.dmp
        Filesize

        736KB

      • memory/1840-72-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB