Analysis

  • max time kernel
    182s
  • max time network
    204s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 17:27

General

  • Target

    ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4.exe

  • Size

    1.9MB

  • MD5

    fb05bb3c1e01b182b3932f3fa10f82e2

  • SHA1

    a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

  • SHA256

    ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

  • SHA512

    d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

  • SSDEEP

    24576:g6dLL/QndzBliEz6T5VuzBliEz6T5VezBliEz6T5V:gILLQnd9PuVM9PuVM9PuV

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vic

C2

mastercaster.myftp.biz:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    winupdate

  • install_file

    wupdate32.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    4hx84dyyyyx

  • 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 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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:1256
      • C:\Users\Admin\AppData\Local\Temp\ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4.exe
        "C:\Users\Admin\AppData\Local\Temp\ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1828
        • C:\Users\Admin\AppData\Local\Temp\ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4.exe
          C:\Users\Admin\AppData\Local\Temp\ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1120
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:960
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1936
            • C:\Users\Admin\AppData\Local\Temp\ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4.exe
              "C:\Users\Admin\AppData\Local\Temp\ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4.exe"
              4⤵
              • Loads dropped DLL
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1916
              • C:\Windows\winupdate\wupdate32.exe
                "C:\Windows\winupdate\wupdate32.exe"
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious use of SetWindowsHookEx
                PID:756
                • C:\Windows\winupdate\wupdate32.exe
                  C:\Windows\winupdate\wupdate32.exe
                  6⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:2028

      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

        37a6b5caef33d0bb2c01e628299210f2

        SHA1

        bba9f308273ce6b860e8495932e1884b4c9ac753

        SHA256

        6ad7d60e980d4f0b642d85f49698bd835d2ab8fc0780a97da784a24e2b3ce4ac

        SHA512

        4311414781ba8641a668a233217c4aa9e9b8bad7bdfa848348be1537cd0de28ca037b561e26541f02ed6140b7b2e53461cdcf7306b033b6819c43a8138d53e45

      • C:\Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • C:\Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • C:\Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • \Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • \Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • \Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • \Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • \Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • \Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • \Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • \Windows\winupdate\wupdate32.exe

        Filesize

        1.9MB

        MD5

        fb05bb3c1e01b182b3932f3fa10f82e2

        SHA1

        a946bbb2b46bab2d1575bcf3257e538ea8fb22ad

        SHA256

        ca2e5e183dc8fa5f22d7015aafef0be378211a13954511546ff969f25ea2dcb4

        SHA512

        d3b38292856d54798ef3e9b7ee4c08237fa8603afef34c0d94efd3e3c6680f446f7b9d6625e429df2a21519025abdb8d5f5e083581038400f3907a22a7e7940b

      • memory/960-86-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/960-89-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/960-80-0x0000000074711000-0x0000000074713000-memory.dmp

        Filesize

        8KB

      • memory/1120-103-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-59-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-60-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-72-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1120-70-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-91-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/1120-57-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-97-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1120-56-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-62-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-69-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-68-0x0000000075F51000-0x0000000075F53000-memory.dmp

        Filesize

        8KB

      • memory/1120-67-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-65-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-63-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-61-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/1120-81-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1256-75-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1916-115-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1916-157-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1916-102-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/2028-138-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-134-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-136-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-129-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-140-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-142-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-144-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-146-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-155-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2028-156-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB