Analysis

  • max time kernel
    151s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 19:49

General

  • Target

    5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4.exe

  • Size

    275KB

  • MD5

    032ea18b55a45ffe96a70cc8c1de2db8

  • SHA1

    78abd3f9ab2d3cefefb76f607d95e11f1db8e7e2

  • SHA256

    5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4

  • SHA512

    c145b7e2e1672bff39fab0e544b67805f82c3cda642ef9f5311ab634eacc007cc60d9de6baa3e61fd32997faa61883266062eadc281a3bc38d1f96af582dfd41

  • SSDEEP

    6144:Sk4qmssUnHTHuLgipeuj+qgh+BAmwg+EB0o9:t9sUTuLgQ5S+4gt0

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

rulin

C2

rulin.zapto.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

    123456

  • 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 15 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 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\5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4.exe
    "C:\Users\Admin\AppData\Local\Temp\5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4.exe"
    1⤵
    • 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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:1728
      • C:\Users\Admin\AppData\Local\Temp\5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4.exe
        "C:\Users\Admin\AppData\Local\Temp\5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4.exe"
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1356
        • C:\Windows\install\svchost.exe
          "C:\Windows\install\svchost.exe"
          3⤵
          • Executes dropped EXE
          PID:1540

    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

      a7ff1c61a8f8f239d0043096359b9969

      SHA1

      861a38e3c5642efe20659a102575761f465ad636

      SHA256

      470b503d6ed39b2b41d5d491483928c6f9928de353c19b736361abd3f9b82df4

      SHA512

      fe05d5ed8e536ca53045f05e9a31aa354b3a6e68ffdca6576687b1829a28cc6012e759380c3a1faa2820e6b73ef80fdac990a3e5a43800f21c8ab06a6c0b47ed

    • C:\Windows\install\svchost.exe

      Filesize

      275KB

      MD5

      032ea18b55a45ffe96a70cc8c1de2db8

      SHA1

      78abd3f9ab2d3cefefb76f607d95e11f1db8e7e2

      SHA256

      5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4

      SHA512

      c145b7e2e1672bff39fab0e544b67805f82c3cda642ef9f5311ab634eacc007cc60d9de6baa3e61fd32997faa61883266062eadc281a3bc38d1f96af582dfd41

    • C:\Windows\install\svchost.exe

      Filesize

      275KB

      MD5

      032ea18b55a45ffe96a70cc8c1de2db8

      SHA1

      78abd3f9ab2d3cefefb76f607d95e11f1db8e7e2

      SHA256

      5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4

      SHA512

      c145b7e2e1672bff39fab0e544b67805f82c3cda642ef9f5311ab634eacc007cc60d9de6baa3e61fd32997faa61883266062eadc281a3bc38d1f96af582dfd41

    • \Windows\install\svchost.exe

      Filesize

      275KB

      MD5

      032ea18b55a45ffe96a70cc8c1de2db8

      SHA1

      78abd3f9ab2d3cefefb76f607d95e11f1db8e7e2

      SHA256

      5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4

      SHA512

      c145b7e2e1672bff39fab0e544b67805f82c3cda642ef9f5311ab634eacc007cc60d9de6baa3e61fd32997faa61883266062eadc281a3bc38d1f96af582dfd41

    • \Windows\install\svchost.exe

      Filesize

      275KB

      MD5

      032ea18b55a45ffe96a70cc8c1de2db8

      SHA1

      78abd3f9ab2d3cefefb76f607d95e11f1db8e7e2

      SHA256

      5f25e58e806ddc57ae94fdb7027c344a0c50f84176fc0de6ab65b223215e56b4

      SHA512

      c145b7e2e1672bff39fab0e544b67805f82c3cda642ef9f5311ab634eacc007cc60d9de6baa3e61fd32997faa61883266062eadc281a3bc38d1f96af582dfd41

    • memory/844-55-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/844-63-0x0000000001CC0000-0x0000000001D17000-memory.dmp

      Filesize

      348KB

    • memory/844-54-0x0000000076401000-0x0000000076403000-memory.dmp

      Filesize

      8KB

    • memory/844-65-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/844-71-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/844-57-0x0000000024010000-0x0000000024072000-memory.dmp

      Filesize

      392KB

    • memory/1356-81-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/1356-70-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/1356-68-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/1356-64-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1356-79-0x0000000004BF0000-0x0000000004C47000-memory.dmp

      Filesize

      348KB

    • memory/1356-80-0x0000000004BF0000-0x0000000004C47000-memory.dmp

      Filesize

      348KB

    • memory/1356-84-0x0000000004BF0000-0x0000000004C47000-memory.dmp

      Filesize

      348KB

    • memory/1356-85-0x0000000024080000-0x00000000240E2000-memory.dmp

      Filesize

      392KB

    • memory/1540-82-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1540-83-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB