Analysis

  • max time kernel
    168s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 15:50

General

  • Target

    ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe

  • Size

    426KB

  • MD5

    438667f73e7f085f52180a45edaaf3ba

  • SHA1

    94b2c6f21f7623f78f05ca66d75a9219622c1e49

  • SHA256

    ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6

  • SHA512

    bcd7efba57ac29fd006316dfcf446e656bb898727f004c975fbd3e89e8cfd50681a42d3dddebf85fd69beeb5e326b1d96ac4e3dd5bd54ca24bd60c6d7ef02522

  • SSDEEP

    6144:R/0uoEpLqaaYOfRB1I1EgXjR5P65E4ih6vWRdb0ILthhKAyeev7ydDINvLNCtKGR:RJlQfoz9kEPgO3/evOCNAJ55O7lcfkj+

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

127.0.0.1:81

chabchoub.no-ip.info: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

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

Signatures

  • CyberGate, Rebhip

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

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 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.

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2340
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3432
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4612
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3708
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3520
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3368
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3260
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:2736
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:2456
                            • C:\Users\Admin\AppData\Local\Temp\ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe
                              "C:\Users\Admin\AppData\Local\Temp\ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe"
                              2⤵
                              • Adds Run key to start application
                              • Suspicious use of WriteProcessMemory
                              PID:4776
                              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
                                C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
                                3⤵
                                • Modifies firewall policy service
                                • UAC bypass
                                • Windows security bypass
                                • Adds policy Run key to start application
                                • Executes dropped EXE
                                • Modifies Installed Components in the registry
                                • Windows security modification
                                • Checks whether UAC is enabled
                                • Drops file in System32 directory
                                • Drops file in Windows directory
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                • System policy modification
                                PID:4180
                                • C:\Program Files\Internet Explorer\iexplore.exe
                                  "C:\Program Files\Internet Explorer\iexplore.exe"
                                  4⤵
                                    PID:4788
                                  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
                                    "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe"
                                    4⤵
                                    • Executes dropped EXE
                                    • Checks computer location settings
                                    • Suspicious behavior: GetForegroundWindowSpam
                                    PID:4696
                                    • C:\Windows\SysWOW64\install\server.exe
                                      "C:\Windows\system32\install\server.exe"
                                      5⤵
                                      • Executes dropped EXE
                                      PID:956
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2464
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2368

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe

                                  Filesize

                                  348KB

                                  MD5

                                  d0cecee8329227e6ffd2a687c7d8c477

                                  SHA1

                                  5dda19f636506a724a88e9bf02def9ddb3c49d21

                                  SHA256

                                  48c9db522fe6ed967f3e714568d5337b9ceaa42c1714ffb772310f353ac4f6e2

                                  SHA512

                                  24919b0542e1454824f3012d21adadbbcfbd8997e7db6ed97d97820fb1d5c42463d6a7bb33553ac2c44836a380ff2d2fa2fe582bd30e312fa540fa0a7fd57167

                                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe

                                  Filesize

                                  348KB

                                  MD5

                                  d0cecee8329227e6ffd2a687c7d8c477

                                  SHA1

                                  5dda19f636506a724a88e9bf02def9ddb3c49d21

                                  SHA256

                                  48c9db522fe6ed967f3e714568d5337b9ceaa42c1714ffb772310f353ac4f6e2

                                  SHA512

                                  24919b0542e1454824f3012d21adadbbcfbd8997e7db6ed97d97820fb1d5c42463d6a7bb33553ac2c44836a380ff2d2fa2fe582bd30e312fa540fa0a7fd57167

                                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe

                                  Filesize

                                  348KB

                                  MD5

                                  d0cecee8329227e6ffd2a687c7d8c477

                                  SHA1

                                  5dda19f636506a724a88e9bf02def9ddb3c49d21

                                  SHA256

                                  48c9db522fe6ed967f3e714568d5337b9ceaa42c1714ffb772310f353ac4f6e2

                                  SHA512

                                  24919b0542e1454824f3012d21adadbbcfbd8997e7db6ed97d97820fb1d5c42463d6a7bb33553ac2c44836a380ff2d2fa2fe582bd30e312fa540fa0a7fd57167

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

                                  Filesize

                                  229KB

                                  MD5

                                  dd727b5df4fce4a9c469beea11596f0c

                                  SHA1

                                  e99bf001feb053cd76134bd7269aab79c6e86de8

                                  SHA256

                                  5f43500216544a82508409aa50af5e6ac00e31fb59277c5b7b1706dd37c0179e

                                  SHA512

                                  18e10d8a86135db3f556cb39461be65e8ade876098ae754532ed273ba6c011939fb9d8fef1b618db1ec4e390be9386f84a6b5c6deed60dc6fb138bb5e2ac657a

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

                                  Filesize

                                  348KB

                                  MD5

                                  d0cecee8329227e6ffd2a687c7d8c477

                                  SHA1

                                  5dda19f636506a724a88e9bf02def9ddb3c49d21

                                  SHA256

                                  48c9db522fe6ed967f3e714568d5337b9ceaa42c1714ffb772310f353ac4f6e2

                                  SHA512

                                  24919b0542e1454824f3012d21adadbbcfbd8997e7db6ed97d97820fb1d5c42463d6a7bb33553ac2c44836a380ff2d2fa2fe582bd30e312fa540fa0a7fd57167

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

                                  Filesize

                                  348KB

                                  MD5

                                  d0cecee8329227e6ffd2a687c7d8c477

                                  SHA1

                                  5dda19f636506a724a88e9bf02def9ddb3c49d21

                                  SHA256

                                  48c9db522fe6ed967f3e714568d5337b9ceaa42c1714ffb772310f353ac4f6e2

                                  SHA512

                                  24919b0542e1454824f3012d21adadbbcfbd8997e7db6ed97d97820fb1d5c42463d6a7bb33553ac2c44836a380ff2d2fa2fe582bd30e312fa540fa0a7fd57167

                                • memory/956-155-0x0000000000000000-mapping.dmp

                                • memory/956-158-0x0000000000400000-0x0000000000469000-memory.dmp

                                  Filesize

                                  420KB

                                • memory/956-157-0x0000000002350000-0x000000000340A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4180-136-0x0000000000400000-0x0000000000469000-memory.dmp

                                  Filesize

                                  420KB

                                • memory/4180-132-0x0000000000000000-mapping.dmp

                                • memory/4180-149-0x0000000000400000-0x0000000000469000-memory.dmp

                                  Filesize

                                  420KB

                                • memory/4180-150-0x0000000002370000-0x000000000342A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4180-145-0x0000000024080000-0x00000000240E2000-memory.dmp

                                  Filesize

                                  392KB

                                • memory/4180-139-0x0000000024010000-0x0000000024072000-memory.dmp

                                  Filesize

                                  392KB

                                • memory/4180-137-0x0000000002370000-0x000000000342A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4180-135-0x0000000002370000-0x000000000342A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4696-148-0x0000000024080000-0x00000000240E2000-memory.dmp

                                  Filesize

                                  392KB

                                • memory/4696-153-0x0000000024080000-0x00000000240E2000-memory.dmp

                                  Filesize

                                  392KB

                                • memory/4696-152-0x0000000000400000-0x0000000000469000-memory.dmp

                                  Filesize

                                  420KB

                                • memory/4696-143-0x0000000000000000-mapping.dmp

                                • memory/4696-159-0x0000000024080000-0x00000000240E2000-memory.dmp

                                  Filesize

                                  392KB