Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2023, 14:02

General

  • Target

    NEAS.de2d3c13fa313ec2c093bf93383a31b0.exe

  • Size

    65KB

  • MD5

    de2d3c13fa313ec2c093bf93383a31b0

  • SHA1

    3a0b8a6bf358ebb2b6d9eeefc5d872c4c6095c33

  • SHA256

    55d5aff9074ef885160bd8f7175d7f9e7075524a66b6a94a3bc4b7bafae3883c

  • SHA512

    2c1803a4a8971661bc1ee1d0b72f04d666f8e4d145cb9374c668a420e68f96f592d3c505d6325d026ac21fcda786a447545b97064dcbd3ddf213a56bed10637e

  • SSDEEP

    1536:wXsGRuQFCOuvQC7qKXVFIZvZ1WMXPPgn4U/SAOtYy1n:wXsouQFCOotoXoMgn4U/Pbyh

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 26 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
  • Enumerates connected drives 3 TTPs 10 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    1⤵
      PID:2240
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1208
        • C:\Users\Admin\AppData\Local\Temp\NEAS.de2d3c13fa313ec2c093bf93383a31b0.exe
          "C:\Users\Admin\AppData\Local\Temp\NEAS.de2d3c13fa313ec2c093bf93383a31b0.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2756
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1164
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1096

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/1096-6-0x0000000000350000-0x0000000000352000-memory.dmp

                  Filesize

                  8KB

                • memory/2756-31-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-33-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-2-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-5-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-11-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-16-0x0000000002E20000-0x0000000002E22000-memory.dmp

                  Filesize

                  8KB

                • memory/2756-17-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

                  Filesize

                  4KB

                • memory/2756-15-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-20-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

                  Filesize

                  4KB

                • memory/2756-19-0x0000000002E20000-0x0000000002E22000-memory.dmp

                  Filesize

                  8KB

                • memory/2756-34-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-22-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-28-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-29-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-30-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-0-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2756-4-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-32-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-21-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-35-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-37-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-38-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-39-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-41-0x0000000002E20000-0x0000000002E22000-memory.dmp

                  Filesize

                  8KB

                • memory/2756-42-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-49-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-51-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-53-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-57-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-61-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-68-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-74-0x0000000002E20000-0x0000000002E22000-memory.dmp

                  Filesize

                  8KB

                • memory/2756-70-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2756-88-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB