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Analysis

  • max time kernel
    30s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    05/07/2023, 20:32

General

  • Target

    2142f2c3a330bdexeexeexeex.exe

  • Size

    2.3MB

  • MD5

    2142f2c3a330bd74fb65defe2cf67479

  • SHA1

    ed68a0d92c85f767085b0f8edf8132c78c8c0fac

  • SHA256

    5fa8301eecc2703a31d25983258bbc2591976d5a9159f5286904ad53c6ae74ec

  • SHA512

    fa949b2c6566b9c4fb66d3a8a1146e24614ca6ef49f33e3123411374ef693a1b8b69020a09c10d90258e0eab117d9396a4b3cb04584dd9e17844ab1040ebfddd

  • SSDEEP

    49152:ELlxExO753ZS29JmApY+JmbeePlvwCJJrioSK8eeCNUm3uRRvIy7LjviD9hP1u:ELlMO7vS2/BY+JWeGlvwCJJeoCmcRvIu

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

Signatures

  • 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
  • UPX packed file 13 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1212
        • C:\Users\Admin\AppData\Local\Temp\2142f2c3a330bdexeexeexeex.exe
          "C:\Users\Admin\AppData\Local\Temp\2142f2c3a330bdexeexeexeex.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2320
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1164
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1880

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1128-58-0x0000000001C40000-0x0000000001C42000-memory.dmp

            Filesize

            8KB

          • memory/2320-76-0x00000000037A0000-0x00000000037A1000-memory.dmp

            Filesize

            4KB

          • memory/2320-56-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-57-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-60-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-62-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-64-0x0000000000400000-0x000000000065B000-memory.dmp

            Filesize

            2.4MB

          • memory/2320-72-0x0000000003640000-0x0000000003642000-memory.dmp

            Filesize

            8KB

          • memory/2320-77-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-54-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-75-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-71-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-73-0x00000000037A0000-0x00000000037A1000-memory.dmp

            Filesize

            4KB

          • memory/2320-74-0x0000000003640000-0x0000000003642000-memory.dmp

            Filesize

            8KB

          • memory/2320-78-0x0000000003640000-0x0000000003642000-memory.dmp

            Filesize

            8KB

          • memory/2320-79-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-82-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-83-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-84-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-85-0x0000000002130000-0x00000000031EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-102-0x0000000000400000-0x000000000065B000-memory.dmp

            Filesize

            2.4MB