Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 22:08

General

  • Target

    93328a4aa25a41f35e203daebefa4f5e7b4eb33e0c3ec65d112c18c3ce1d15cc.exe

  • Size

    1007KB

  • MD5

    aecd043c13b2581b4604fdde90f87fae

  • SHA1

    a73ceb9f653903fff8fc01c9a8a6ef15e1cbee21

  • SHA256

    93328a4aa25a41f35e203daebefa4f5e7b4eb33e0c3ec65d112c18c3ce1d15cc

  • SHA512

    8aeb5988fe2a1ae30b1e891193fe142f3a164d05426bb1445821cc088bf73fb10b718a25fa69bf4135de86c0a69237bd6a3531e9603e28272e3d4d1981c46cae

  • SSDEEP

    24576:Bt245+7ErHtRJcDwNHa5m8RnYTUtzFtRR+OSgLphaZ3etWrV:d1TJcDwNOmH+bRC8hm3vV

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

MayMacro

C2

curtis1145.no-ip.org:1145

Mutex

P1RA63K1N04P7J

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    System32

  • install_file

    process

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    The application failed to initialize properly (0xc000007b). Click on OK to terminate the application.

  • message_box_title

    Adobe Reader Error

  • password

    omolabi

Signatures

  • CyberGate, Rebhip

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 9 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 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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:2056
      • C:\Users\Admin\AppData\Local\Temp\93328a4aa25a41f35e203daebefa4f5e7b4eb33e0c3ec65d112c18c3ce1d15cc.exe
        "C:\Users\Admin\AppData\Local\Temp\93328a4aa25a41f35e203daebefa4f5e7b4eb33e0c3ec65d112c18c3ce1d15cc.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1608
        • C:\Users\Admin\AppData\Roaming\KGZNY\UWBCE.cmd
          "C:\Users\Admin\AppData\Roaming\KGZNY\UWBCE.cmd" "BDGHM-YSR"
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4328
          • C:\Users\Admin\AppData\Roaming\KGZNY\UWBCE.cmd
            C:\Users\Admin\AppData\Roaming\KGZNY\UWBCE.cmd C:\Users\Admin\AppData\Roaming\KGZNY\EKXVD
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2024
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
              5⤵
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of WriteProcessMemory
              PID:3948
              • C:\Windows\SysWOW64\explorer.exe
                explorer.exe
                6⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:544
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe"
                6⤵
                  PID:3768
                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
                  6⤵
                  • Modifies registry class
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1948
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1248
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:2396

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        224KB

        MD5

        238f5039dbb3c08a51a8a13b47649e43

        SHA1

        afa98c07bbc8b0c875dee332f6a6943313f434b4

        SHA256

        bfe709bb060250cf997846525a65caa955a7757a9b34ed21b396fb8abbf78d0b

        SHA512

        bdda5aa4e508ef30a8626499e1811377a43619422c206d9663b7a54229d800f8bb548eeeae8b66ded63f73fa4b096ceb55dbe5f580fb0090936fc5e823313b89

      • C:\Users\Admin\AppData\Roaming\KGZNY\BDGHM-YSR
        Filesize

        5KB

        MD5

        a5869a817982cdeb4d0673514a2dd798

        SHA1

        e38ec6330dd340e656946db2c4af02f93bceee5d

        SHA256

        fb1abbcbd489b83dc0f7564d713c3362daa28c02ae1e643df7a8f82e6bb20ef3

        SHA512

        cb217d53dddcfbfe3722a025b2aad28c6d1f76bb431e2b388e8620f2bf4ff4f0e0f560723ad97d063d9314363039cf9e46802e5759cd8d831b511ea055bc2848

      • C:\Users\Admin\AppData\Roaming\KGZNY\EKXVD
        Filesize

        118KB

        MD5

        c346f5cd7684d742e218dc717b47c027

        SHA1

        c1486531db25d3c7f86e6a0031342885bd8580b5

        SHA256

        f4277a31ceba382ca8de4d8771e9d12e67dac07c421edbb9dc38be4d843bcb63

        SHA512

        90548e009e967c0151b3330c5070352a5de2e227d61a0695044ebaddad492d2a95a05fbeddb7155b959320ffbfbb0866f091348f8e7927a5810aa8ec2344edaf

      • C:\Users\Admin\AppData\Roaming\KGZNY\IUXSK.MRZ
        Filesize

        236KB

        MD5

        41b16d19b4354eb477fc86c232e91ce7

        SHA1

        776dba32f6b09d7ebd7484e6fac738482ffd3cdf

        SHA256

        ae6994c77a96eb0849e5dc0c8ba65755b5e38ca2c71e9ade530bb5d85558910e

        SHA512

        e0c62309573d8b6b6fef4bcf7e28bc9d0cf321e6645b3e13ff5b359683d6752b06d372a68eae6535e17389d171373e4de88fd4ee9b550aea997a0b807f6a0c9a

      • C:\Users\Admin\AppData\Roaming\KGZNY\OFKOM.BOS
        Filesize

        290KB

        MD5

        cf663a6978cfd3b26b717f9703cc3f1f

        SHA1

        126238976d2be8484c4a36b67267e01a50b8217d

        SHA256

        c7b86d01102590d6b34fd5d3baf64e34258b1d8e0e7dc1ec288c2d5ad808c80f

        SHA512

        94aab3d7dbd3bc735eb86d75920f08c6c5917f82841689bcb82044310b487c428ebbc8febd58bc1b81b2f6b397b969b9afdd620b5fcf5d4ee7fecc326c53bac3

      • C:\Users\Admin\AppData\Roaming\KGZNY\UWBCE.cmd
        Filesize

        732KB

        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • C:\Users\Admin\AppData\Roaming\KGZNY\UWBCE.cmd
        Filesize

        732KB

        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • C:\Users\Admin\AppData\Roaming\KGZNY\UWBCE.cmd
        Filesize

        732KB

        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • C:\Users\Admin\AppData\Roaming\KGZNY\YMQGIX
        Filesize

        32KB

        MD5

        fbc0b5d2f40b268ac7addcf78122525a

        SHA1

        30df1420226005ca15039b719b72e72d99c3abd1

        SHA256

        651b8aeedd164bd19183c4a8c1710b613b713ac036154241940fb5a268a3e9b6

        SHA512

        cc67aa6addd4827c4589869d696fdac71206fe154c4aec37da027f9233c7603d4c45bd4373982d3bd62c33970d83504b70113bdfba0b210762d949e14eb55ff7

      • C:\Windows\SysWOW64\System32\process
        Filesize

        32KB

        MD5

        3a77a4f220612fa55118fb8d7ddae83c

        SHA1

        b96fa726fc84fd46d03dd3c32689f645e0422278

        SHA256

        2cd6aacd0ed0f477f62833b13b97c26135f436dc59b0b09d4515a6c13cfe6e1f

        SHA512

        33a9cfc23d49505d7f2e1af4299ea2e6ccbe36daccc81c3dafc9652b8259083da88ee67312035e88dcbc1a6d76ce2c13b6067b6dbcc2afd310b91d4ee737c94d

      • memory/544-159-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/544-156-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/544-152-0x0000000000000000-mapping.dmp
      • memory/1948-172-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1948-170-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1948-169-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1948-165-0x0000000000000000-mapping.dmp
      • memory/2024-138-0x0000000000000000-mapping.dmp
      • memory/3948-148-0x0000000010410000-0x0000000010475000-memory.dmp
        Filesize

        404KB

      • memory/3948-142-0x0000000000000000-mapping.dmp
      • memory/3948-153-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/3948-161-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB

      • memory/3948-143-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/3948-166-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/3948-146-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/3948-145-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/3948-171-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/3948-144-0x0000000000400000-0x000000000044F000-memory.dmp
        Filesize

        316KB

      • memory/4328-132-0x0000000000000000-mapping.dmp