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Analysis

  • max time kernel
    190s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2022, 19:49

General

  • Target

    f024f2f5dd437ed6fb5fb0bcc756d26bb28d945e2b4105519aac1b99c478b5a2.exe

  • Size

    290KB

  • MD5

    23acb2fe0a43a2011d7153108dc3490b

  • SHA1

    22eb05ab7ebb88bf23d558defdf9025b4d378b54

  • SHA256

    f024f2f5dd437ed6fb5fb0bcc756d26bb28d945e2b4105519aac1b99c478b5a2

  • SHA512

    dd324902e93c3da2e349ae88b679cba41c73cbe32a2bb31181f1a4e6cc010a325db85b8592c67e049692a1a1b4ce9b5fe4bbe3b31859ab7dc9ffe1a765167e26

  • SSDEEP

    6144:FmcD66R7m5JGmrpQsK3RD2u270jupCJsCxC:gcD669Z2zkPaCx

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

sanane2121.no-ip.org:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • 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 5 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\f024f2f5dd437ed6fb5fb0bcc756d26bb28d945e2b4105519aac1b99c478b5a2.exe
    "C:\Users\Admin\AppData\Local\Temp\f024f2f5dd437ed6fb5fb0bcc756d26bb28d945e2b4105519aac1b99c478b5a2.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:4796
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:2832
      • C:\Users\Admin\AppData\Local\Temp\f024f2f5dd437ed6fb5fb0bcc756d26bb28d945e2b4105519aac1b99c478b5a2.exe
        "C:\Users\Admin\AppData\Local\Temp\f024f2f5dd437ed6fb5fb0bcc756d26bb28d945e2b4105519aac1b99c478b5a2.exe"
        2⤵
        • Checks computer location settings
        • Drops file in System32 directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:4944
        • C:\Windows\SysWOW64\install\svchost.exe
          "C:\Windows\system32\install\svchost.exe"
          3⤵
          • Executes dropped EXE
          PID:2248
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 568
            4⤵
            • Program crash
            PID:4184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2248 -ip 2248
      1⤵
        PID:1508

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

        Filesize

        229KB

        MD5

        03265d0ce524b1eb8efae3261a1f0230

        SHA1

        ca2f134fe3f639ef0df2834b1b89b1a71eed2e58

        SHA256

        31d9f2b7fdeef5c032d1992b006f7fea4b203e50c03b95eca99418221596f938

        SHA512

        f27ab0632005e3e9d2178d531f56854afe10aa556465543772c54b6da693a62b1ede1153117328f73a3a5fd2f89f21d301060fced56cd08a1dadf00c769c8e8a

      • C:\Windows\SysWOW64\install\svchost.exe

        Filesize

        290KB

        MD5

        23acb2fe0a43a2011d7153108dc3490b

        SHA1

        22eb05ab7ebb88bf23d558defdf9025b4d378b54

        SHA256

        f024f2f5dd437ed6fb5fb0bcc756d26bb28d945e2b4105519aac1b99c478b5a2

        SHA512

        dd324902e93c3da2e349ae88b679cba41c73cbe32a2bb31181f1a4e6cc010a325db85b8592c67e049692a1a1b4ce9b5fe4bbe3b31859ab7dc9ffe1a765167e26

      • C:\Windows\SysWOW64\install\svchost.exe

        Filesize

        290KB

        MD5

        23acb2fe0a43a2011d7153108dc3490b

        SHA1

        22eb05ab7ebb88bf23d558defdf9025b4d378b54

        SHA256

        f024f2f5dd437ed6fb5fb0bcc756d26bb28d945e2b4105519aac1b99c478b5a2

        SHA512

        dd324902e93c3da2e349ae88b679cba41c73cbe32a2bb31181f1a4e6cc010a325db85b8592c67e049692a1a1b4ce9b5fe4bbe3b31859ab7dc9ffe1a765167e26

      • memory/4796-133-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/4796-138-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4944-141-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4944-144-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4944-145-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB