Analysis

  • max time kernel
    150s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2022, 07:09

General

  • Target

    93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe

  • Size

    726KB

  • MD5

    7271f686efdad2e30380ecabc2d73e10

  • SHA1

    3278009ca3fa9dcfbe5310424ebfbe9ad5b828ef

  • SHA256

    93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca

  • SHA512

    45d51cf1c43a0fcc124998ed4ebc0d27a4c39defd1d0cbcedd32c71eb98b3a20f8c590086f29a77ed0a3075ab9b3cf2d3edb81bd9699462950a1c4932ee043a4

  • SSDEEP

    12288:WS0yaHQXxcOlrxbQ0VGrcJ98F6/gvI+LeDFkUMmJj4h/xQp6+tqOYy9zo08:oxwBcOZx1/PqNUMiE0ltYYoP

Malware Config

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 4 IoCs
  • UPX packed file 9 IoCs

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

  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Checks processor information in registry 2 TTPs 16 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1360
      • C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe
        "C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Checks BIOS information in registry
        • Adds Run key to start application
        • Drops file in System32 directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:648
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:268
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Drops desktop.ini file(s)
          • Drops file in System32 directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1028
          • C:\Windows\SysWOW64\Microsoft\Chromo.exe
            "C:\Windows\system32\Microsoft\Chromo.exe"
            4⤵
            • Executes dropped EXE
            • Checks BIOS information in registry
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:1096

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            222KB

            MD5

            5159f1d162f51b0e1d2d1073a293fcfb

            SHA1

            959e4a5aba56f7a5a29b05ccee711a16c7ba48a4

            SHA256

            66a519449f57076b7fa2604697fa20ff0dfab7b39149596ae2bac4bcb3db6095

            SHA512

            5fdf5f2df15d12ca918c3f07dca623a927e95241383b721068fc5716011af4b99e7a63686aca6d944c659b8a52c346749daf7e709769760e6a3d59f7c3b0714b

          • C:\Windows\SysWOW64\Microsoft\Chromo.exe

            Filesize

            726KB

            MD5

            7271f686efdad2e30380ecabc2d73e10

            SHA1

            3278009ca3fa9dcfbe5310424ebfbe9ad5b828ef

            SHA256

            93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca

            SHA512

            45d51cf1c43a0fcc124998ed4ebc0d27a4c39defd1d0cbcedd32c71eb98b3a20f8c590086f29a77ed0a3075ab9b3cf2d3edb81bd9699462950a1c4932ee043a4

          • C:\Windows\SysWOW64\Microsoft\Chromo.exe

            Filesize

            726KB

            MD5

            7271f686efdad2e30380ecabc2d73e10

            SHA1

            3278009ca3fa9dcfbe5310424ebfbe9ad5b828ef

            SHA256

            93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca

            SHA512

            45d51cf1c43a0fcc124998ed4ebc0d27a4c39defd1d0cbcedd32c71eb98b3a20f8c590086f29a77ed0a3075ab9b3cf2d3edb81bd9699462950a1c4932ee043a4

          • memory/268-70-0x000000003F6E0000-0x000000003F740000-memory.dmp

            Filesize

            384KB

          • memory/268-67-0x000000003F6E0000-0x000000003F740000-memory.dmp

            Filesize

            384KB

          • memory/268-64-0x0000000074BA1000-0x0000000074BA3000-memory.dmp

            Filesize

            8KB

          • memory/648-59-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

          • memory/648-85-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

          • memory/648-58-0x00000000002C0000-0x00000000002D1000-memory.dmp

            Filesize

            68KB

          • memory/648-57-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

          • memory/648-56-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

          • memory/648-79-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

          • memory/648-80-0x00000000002C0000-0x00000000002D1000-memory.dmp

            Filesize

            68KB

          • memory/648-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

            Filesize

            8KB

          • memory/648-55-0x00000000002C0000-0x00000000002D1000-memory.dmp

            Filesize

            68KB

          • memory/1028-91-0x000000003FCC0000-0x000000003FD20000-memory.dmp

            Filesize

            384KB

          • memory/1028-78-0x000000003FCC0000-0x000000003FD20000-memory.dmp

            Filesize

            384KB

          • memory/1028-81-0x000000003FCC0000-0x000000003FD20000-memory.dmp

            Filesize

            384KB

          • memory/1096-88-0x00000000002C0000-0x00000000002D1000-memory.dmp

            Filesize

            68KB

          • memory/1096-87-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

          • memory/1096-89-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

          • memory/1096-90-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

          • memory/1360-60-0x000000003F600000-0x000000003F660000-memory.dmp

            Filesize

            384KB