Analysis

  • max time kernel
    150s
  • max time network
    81s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2022 01:15

General

  • Target

    d3289e75ea85b991fe224624cc93c1bbc4e0cba7ad66d56a85b50bf8af87515f.exe

  • Size

    399KB

  • MD5

    5c7ee88e5b8e989a1a48e8005a14140e

  • SHA1

    bd7e92e5b7420ee8a60174bdb163f43666df7186

  • SHA256

    d3289e75ea85b991fe224624cc93c1bbc4e0cba7ad66d56a85b50bf8af87515f

  • SHA512

    fe242631236aedb5b694b21f490838bc223710cfe4b2b2f6ccc0889e3d3c90ce0e64d3fc6f42055211dafbce4eb695bee3ecdf8ed7ff5dd7f49f89f2e3936f65

  • SSDEEP

    6144:+lBH/LMujtnvkp1TULQ2Ny84KUhyd6kaevYDGwlmfThxgaJYpPD0ThwkCl:e/LN583YY8ICaevKHlmfvfWpb0Tm

Malware Config

Extracted

Family

cybergate

Version

v3.4.2.2

Botnet

VPN

C2

internet.game-host.org:1000

Mutex

CATF41T8B41W7C

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

    false

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    cybergate

  • regkey_hkcu

    HKCU

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 13 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3289e75ea85b991fe224624cc93c1bbc4e0cba7ad66d56a85b50bf8af87515f.exe
    "C:\Users\Admin\AppData\Local\Temp\d3289e75ea85b991fe224624cc93c1bbc4e0cba7ad66d56a85b50bf8af87515f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\System32\svchost.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\SysWOW64\svchost.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1868
    • C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe
      "C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1768
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /v "Shell" /d "C:\Windows\explorer.exe, C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe" /f
        3⤵
          PID:884
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /v "Shell" /d "C:\Windows\explorer.exe, C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe" /f
            4⤵
            • Modifies WinLogon for persistence
            PID:1924
        • C:\Users\Admin\AppData\Local\Temp\typeperf.exe
          "C:\Users\Admin\AppData\Local\Temp\typeperf.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2040
          • C:\Windows\SysWOW64\svchost.exe
            "C:\Windows\System32\svchost.exe"
            4⤵
              PID:1808
        • C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe
          "C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:668

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Admin2.txt

        Filesize

        234KB

        MD5

        6acacfadc7cc3fd33f03b6362c3cbdca

        SHA1

        4921fa960cbffa9da87cf193520ef4fa9a5ebdd4

        SHA256

        01ffe801459e62d7e792dc7ff9f949452650795b039994c74ad042dbf5cbaa38

        SHA512

        3ba4c3f94126aea0e8be9f7cdf4d1e8ca69d4906757a5433e154348ddd9534829b9b58f13c30e44f61df91ed9e09ffde5b744309dd6a4da54a721db7111d8539

      • C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe

        Filesize

        11KB

        MD5

        b571cd24128879c2ad9086303a8dfddc

        SHA1

        84ceae0866be13f019bc86a31eaddf6980c6a9da

        SHA256

        388ad7ca4e6403b8804269cd6c73f6a5e3a232b1f1c63687c515da77b0406a78

        SHA512

        646219a8d925453f8b2b1a0a7a7e4be389e024563e387f44f481e0564032bb16e2b58359a38037be935cdaa77342ec440fa8655b0df8c72e244c7dc5d4d00a5d

      • C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe

        Filesize

        11KB

        MD5

        b571cd24128879c2ad9086303a8dfddc

        SHA1

        84ceae0866be13f019bc86a31eaddf6980c6a9da

        SHA256

        388ad7ca4e6403b8804269cd6c73f6a5e3a232b1f1c63687c515da77b0406a78

        SHA512

        646219a8d925453f8b2b1a0a7a7e4be389e024563e387f44f481e0564032bb16e2b58359a38037be935cdaa77342ec440fa8655b0df8c72e244c7dc5d4d00a5d

      • C:\Users\Admin\AppData\Local\Temp\VaultCmd.exe

        Filesize

        11KB

        MD5

        b571cd24128879c2ad9086303a8dfddc

        SHA1

        84ceae0866be13f019bc86a31eaddf6980c6a9da

        SHA256

        388ad7ca4e6403b8804269cd6c73f6a5e3a232b1f1c63687c515da77b0406a78

        SHA512

        646219a8d925453f8b2b1a0a7a7e4be389e024563e387f44f481e0564032bb16e2b58359a38037be935cdaa77342ec440fa8655b0df8c72e244c7dc5d4d00a5d

      • C:\Users\Admin\AppData\Local\Temp\typeperf.exe

        Filesize

        399KB

        MD5

        5c7ee88e5b8e989a1a48e8005a14140e

        SHA1

        bd7e92e5b7420ee8a60174bdb163f43666df7186

        SHA256

        d3289e75ea85b991fe224624cc93c1bbc4e0cba7ad66d56a85b50bf8af87515f

        SHA512

        fe242631236aedb5b694b21f490838bc223710cfe4b2b2f6ccc0889e3d3c90ce0e64d3fc6f42055211dafbce4eb695bee3ecdf8ed7ff5dd7f49f89f2e3936f65

      • C:\Users\Admin\AppData\Local\Temp\typeperf.exe

        Filesize

        399KB

        MD5

        5c7ee88e5b8e989a1a48e8005a14140e

        SHA1

        bd7e92e5b7420ee8a60174bdb163f43666df7186

        SHA256

        d3289e75ea85b991fe224624cc93c1bbc4e0cba7ad66d56a85b50bf8af87515f

        SHA512

        fe242631236aedb5b694b21f490838bc223710cfe4b2b2f6ccc0889e3d3c90ce0e64d3fc6f42055211dafbce4eb695bee3ecdf8ed7ff5dd7f49f89f2e3936f65

      • \Users\Admin\AppData\Local\Temp\VaultCmd.exe

        Filesize

        11KB

        MD5

        b571cd24128879c2ad9086303a8dfddc

        SHA1

        84ceae0866be13f019bc86a31eaddf6980c6a9da

        SHA256

        388ad7ca4e6403b8804269cd6c73f6a5e3a232b1f1c63687c515da77b0406a78

        SHA512

        646219a8d925453f8b2b1a0a7a7e4be389e024563e387f44f481e0564032bb16e2b58359a38037be935cdaa77342ec440fa8655b0df8c72e244c7dc5d4d00a5d

      • \Users\Admin\AppData\Local\Temp\VaultCmd.exe

        Filesize

        11KB

        MD5

        b571cd24128879c2ad9086303a8dfddc

        SHA1

        84ceae0866be13f019bc86a31eaddf6980c6a9da

        SHA256

        388ad7ca4e6403b8804269cd6c73f6a5e3a232b1f1c63687c515da77b0406a78

        SHA512

        646219a8d925453f8b2b1a0a7a7e4be389e024563e387f44f481e0564032bb16e2b58359a38037be935cdaa77342ec440fa8655b0df8c72e244c7dc5d4d00a5d

      • \Users\Admin\AppData\Local\Temp\typeperf.exe

        Filesize

        399KB

        MD5

        5c7ee88e5b8e989a1a48e8005a14140e

        SHA1

        bd7e92e5b7420ee8a60174bdb163f43666df7186

        SHA256

        d3289e75ea85b991fe224624cc93c1bbc4e0cba7ad66d56a85b50bf8af87515f

        SHA512

        fe242631236aedb5b694b21f490838bc223710cfe4b2b2f6ccc0889e3d3c90ce0e64d3fc6f42055211dafbce4eb695bee3ecdf8ed7ff5dd7f49f89f2e3936f65

      • memory/668-108-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/668-111-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/1396-60-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1396-67-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1396-65-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1396-76-0x0000000010410000-0x0000000010480000-memory.dmp

        Filesize

        448KB

      • memory/1396-64-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1396-59-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1396-57-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1396-56-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1396-85-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1768-94-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/1768-96-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/1768-82-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/1808-109-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1808-110-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1868-95-0x0000000010410000-0x0000000010480000-memory.dmp

        Filesize

        448KB

      • memory/1868-81-0x0000000010410000-0x0000000010480000-memory.dmp

        Filesize

        448KB

      • memory/1868-79-0x0000000010410000-0x0000000010480000-memory.dmp

        Filesize

        448KB

      • memory/1868-83-0x0000000010410000-0x0000000010480000-memory.dmp

        Filesize

        448KB

      • memory/1956-66-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/1956-54-0x0000000075141000-0x0000000075143000-memory.dmp

        Filesize

        8KB

      • memory/1956-55-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/2040-107-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/2040-93-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB