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Analysis

  • max time kernel
    165s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 00:57

General

  • Target

    59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4.exe

  • Size

    740KB

  • MD5

    fc56c6c8f3ad8cb486739b26dc26baad

  • SHA1

    11c4a9a5f9d1ea6e84aae0e42647fcf9a54cfbad

  • SHA256

    59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4

  • SHA512

    1c36210890cd493394a541bc3fc25b21e3aabf82496cac813e6a9f43f255bf84bca272ef10622fa245be4c4e879f739b273e7ec3e167eb2194ac85a8b9bd1d8c

  • SSDEEP

    12288:ZjNRoRANUXCDhmo+l03S9r937B9ql9HGQOuS2HK2sglrsymvyQZ/W0rwc:VDoRANUXCDhmo+Nx9EMxuSkK0lIymBW

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

KURBAN

C2

Coded54.no-ip.org:81

Coded54.no-ip.org:80

Coded34.no-ip.org:81

Coded34.no-ip.org:80

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_file

    microsoftt.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    789456

  • 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 18 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3060
      • C:\Users\Admin\AppData\Local\Temp\59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4.exe
        "C:\Users\Admin\AppData\Local\Temp\59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4868
        • C:\Users\Admin\AppData\Local\Temp\59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4.exe
          "C:\Users\Admin\AppData\Local\Temp\59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4.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 use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2204
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4272
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1964
            • C:\Users\Admin\AppData\Local\Temp\59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4.exe
              "C:\Users\Admin\AppData\Local\Temp\59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1568
              • C:\Windows\SysWOW64\microsoftt.exe
                "C:\Windows\system32\microsoftt.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:4616
                • C:\Windows\SysWOW64\microsoftt.exe
                  "C:\Windows\SysWOW64\microsoftt.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:2876
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 576
                    7⤵
                    • Program crash
                    PID:2572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2876 -ip 2876
        1⤵
          PID:628

        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

          48f10bcdf2f76d8e595b149a3282ea03

          SHA1

          e6ee7e870ac4995e9284d24f0293446e2a7f1b2a

          SHA256

          e697418c61f4050a608e0f35b1e932686b2baa36bc26223bed9468d8810637e5

          SHA512

          63fa18335c4f996d43c5a1a5d15f9cc11bedfe3b2b55fb0eb2b69bc3ac039282d7f79dfd34adfecac7ef6205aed2f34973a4a1377333d8bc79e304dd561767f7

        • C:\Windows\SysWOW64\microsoftt.exe

          Filesize

          740KB

          MD5

          fc56c6c8f3ad8cb486739b26dc26baad

          SHA1

          11c4a9a5f9d1ea6e84aae0e42647fcf9a54cfbad

          SHA256

          59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4

          SHA512

          1c36210890cd493394a541bc3fc25b21e3aabf82496cac813e6a9f43f255bf84bca272ef10622fa245be4c4e879f739b273e7ec3e167eb2194ac85a8b9bd1d8c

        • C:\Windows\SysWOW64\microsoftt.exe

          Filesize

          740KB

          MD5

          fc56c6c8f3ad8cb486739b26dc26baad

          SHA1

          11c4a9a5f9d1ea6e84aae0e42647fcf9a54cfbad

          SHA256

          59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4

          SHA512

          1c36210890cd493394a541bc3fc25b21e3aabf82496cac813e6a9f43f255bf84bca272ef10622fa245be4c4e879f739b273e7ec3e167eb2194ac85a8b9bd1d8c

        • C:\Windows\SysWOW64\microsoftt.exe

          Filesize

          740KB

          MD5

          fc56c6c8f3ad8cb486739b26dc26baad

          SHA1

          11c4a9a5f9d1ea6e84aae0e42647fcf9a54cfbad

          SHA256

          59104a644d925e79d812e023669995dba5a1bec1e84b0ecefbe1b0c1ee03d0f4

          SHA512

          1c36210890cd493394a541bc3fc25b21e3aabf82496cac813e6a9f43f255bf84bca272ef10622fa245be4c4e879f739b273e7ec3e167eb2194ac85a8b9bd1d8c

        • memory/1568-164-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/1568-181-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/1568-167-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/1568-166-0x0000000000400000-0x0000000000475000-memory.dmp

          Filesize

          468KB

        • memory/2204-165-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2204-139-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2204-148-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/2204-135-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2204-156-0x00000000240F0000-0x0000000024152000-memory.dmp

          Filesize

          392KB

        • memory/2204-147-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2204-161-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/2204-140-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2204-138-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2204-142-0x0000000024010000-0x0000000024072000-memory.dmp

          Filesize

          392KB

        • memory/2876-180-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2876-178-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2876-179-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4272-154-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/4272-151-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/4616-170-0x0000000000400000-0x0000000000475000-memory.dmp

          Filesize

          468KB

        • memory/4616-177-0x0000000000400000-0x0000000000475000-memory.dmp

          Filesize

          468KB

        • memory/4868-137-0x0000000000400000-0x0000000000475000-memory.dmp

          Filesize

          468KB