Analysis

  • max time kernel
    167s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 23:01

General

  • Target

    1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133.exe

  • Size

    398KB

  • MD5

    a3b2e59e855dca6beed09577cd9a79f0

  • SHA1

    7d01d58207ecba8b70150a9bce47b9a87d33ae8a

  • SHA256

    1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133

  • SHA512

    ab290bc076f71b982f051224d84acacf81383227da1562a2ac14693bba89fc3317e4840e068cc5b5f0f4aec3acc9a06aed89fe9fe1c759eaa0f1dd441057d8c1

  • SSDEEP

    6144:G+0WjLRSQlw0UO+9VouVKtWEGmAC5YILxeZD1g6BYuk/iDkLdk:GGLO3O+TouV4W9GBKD7BYF

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Cyber

C2

keng.servecounterstrike.com:100

Mutex

6B3O30Y052341S

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    WinDir

  • install_file

    Svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Is this your first use?

  • message_box_title

    First use

  • password

    654321

  • 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 9 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 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 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1256
      • C:\Users\Admin\AppData\Local\Temp\1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133.exe
        "C:\Users\Admin\AppData\Local\Temp\1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:780
        • C:\Users\Admin\AppData\Local\Temp\1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133.exe
          "C:\Users\Admin\AppData\Local\Temp\1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133.exe"
          3⤵
          • 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 FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:908
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1544
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1280
            • C:\Users\Admin\AppData\Local\Temp\1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133.exe
              "C:\Users\Admin\AppData\Local\Temp\1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1060
              • C:\Windows\SysWOW64\WinDir\Svchost.exe
                "C:\Windows\system32\WinDir\Svchost.exe"
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                PID:960
                • C:\Windows\SysWOW64\WinDir\Svchost.exe
                  "C:\Windows\system32\WinDir\Svchost.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:624

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

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

              Filesize

              224KB

              MD5

              821671b75cc2a3128b1c90d929066f77

              SHA1

              1de5df50e43fbe636a7c32dd49f4c832e7574514

              SHA256

              8ffdd6392c22840b064a633ea700ca84a277b60de59196fa0c389810ac623f4b

              SHA512

              95df1200d15d111641fbb3b5b019c79e2d9c910eb71ceb3d099fec64f0782374e235d3b647c84226550b991de10348d48a606d8e8b62dcff30a549d20cf1eff0

            • C:\Windows\SysWOW64\WinDir\Svchost.exe

              Filesize

              398KB

              MD5

              a3b2e59e855dca6beed09577cd9a79f0

              SHA1

              7d01d58207ecba8b70150a9bce47b9a87d33ae8a

              SHA256

              1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133

              SHA512

              ab290bc076f71b982f051224d84acacf81383227da1562a2ac14693bba89fc3317e4840e068cc5b5f0f4aec3acc9a06aed89fe9fe1c759eaa0f1dd441057d8c1

            • C:\Windows\SysWOW64\WinDir\Svchost.exe

              Filesize

              398KB

              MD5

              a3b2e59e855dca6beed09577cd9a79f0

              SHA1

              7d01d58207ecba8b70150a9bce47b9a87d33ae8a

              SHA256

              1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133

              SHA512

              ab290bc076f71b982f051224d84acacf81383227da1562a2ac14693bba89fc3317e4840e068cc5b5f0f4aec3acc9a06aed89fe9fe1c759eaa0f1dd441057d8c1

            • C:\Windows\SysWOW64\WinDir\Svchost.exe

              Filesize

              398KB

              MD5

              a3b2e59e855dca6beed09577cd9a79f0

              SHA1

              7d01d58207ecba8b70150a9bce47b9a87d33ae8a

              SHA256

              1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133

              SHA512

              ab290bc076f71b982f051224d84acacf81383227da1562a2ac14693bba89fc3317e4840e068cc5b5f0f4aec3acc9a06aed89fe9fe1c759eaa0f1dd441057d8c1

            • \Windows\SysWOW64\WinDir\Svchost.exe

              Filesize

              398KB

              MD5

              a3b2e59e855dca6beed09577cd9a79f0

              SHA1

              7d01d58207ecba8b70150a9bce47b9a87d33ae8a

              SHA256

              1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133

              SHA512

              ab290bc076f71b982f051224d84acacf81383227da1562a2ac14693bba89fc3317e4840e068cc5b5f0f4aec3acc9a06aed89fe9fe1c759eaa0f1dd441057d8c1

            • \Windows\SysWOW64\WinDir\Svchost.exe

              Filesize

              398KB

              MD5

              a3b2e59e855dca6beed09577cd9a79f0

              SHA1

              7d01d58207ecba8b70150a9bce47b9a87d33ae8a

              SHA256

              1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133

              SHA512

              ab290bc076f71b982f051224d84acacf81383227da1562a2ac14693bba89fc3317e4840e068cc5b5f0f4aec3acc9a06aed89fe9fe1c759eaa0f1dd441057d8c1

            • \Windows\SysWOW64\WinDir\Svchost.exe

              Filesize

              398KB

              MD5

              a3b2e59e855dca6beed09577cd9a79f0

              SHA1

              7d01d58207ecba8b70150a9bce47b9a87d33ae8a

              SHA256

              1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133

              SHA512

              ab290bc076f71b982f051224d84acacf81383227da1562a2ac14693bba89fc3317e4840e068cc5b5f0f4aec3acc9a06aed89fe9fe1c759eaa0f1dd441057d8c1

            • \Windows\SysWOW64\WinDir\Svchost.exe

              Filesize

              398KB

              MD5

              a3b2e59e855dca6beed09577cd9a79f0

              SHA1

              7d01d58207ecba8b70150a9bce47b9a87d33ae8a

              SHA256

              1a004f5b7efc291a339af2a17db393677b87fdd0cd48c506f2b73d07b5225133

              SHA512

              ab290bc076f71b982f051224d84acacf81383227da1562a2ac14693bba89fc3317e4840e068cc5b5f0f4aec3acc9a06aed89fe9fe1c759eaa0f1dd441057d8c1

            • memory/624-125-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/624-124-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/624-123-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-54-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-101-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-63-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-65-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-79-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/908-66-0x00000000758C1000-0x00000000758C3000-memory.dmp

              Filesize

              8KB

            • memory/908-60-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-59-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-55-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-89-0x00000000104F0000-0x0000000010555000-memory.dmp

              Filesize

              404KB

            • memory/908-67-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-95-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/908-70-0x0000000010410000-0x0000000010475000-memory.dmp

              Filesize

              404KB

            • memory/908-68-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-58-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-61-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/908-57-0x0000000000400000-0x0000000000451000-memory.dmp

              Filesize

              324KB

            • memory/1060-106-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/1060-100-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/1060-126-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/1256-73-0x0000000010410000-0x0000000010475000-memory.dmp

              Filesize

              404KB

            • memory/1544-87-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/1544-84-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/1544-78-0x0000000074E51000-0x0000000074E53000-memory.dmp

              Filesize

              8KB