Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-02-2024 14:33

General

  • Target

    ac1d973d8f6cfb618d2cba70a91a5e9d.exe

  • Size

    147KB

  • MD5

    ac1d973d8f6cfb618d2cba70a91a5e9d

  • SHA1

    eb6a600676f51b82ea2617313c5073e4b7b3595e

  • SHA256

    43227af919923ec656f3c3b4adbd311507928d64d52ecabed6e0f33205daba3f

  • SHA512

    e7d46f28fbe5c450db16d66a0e73ab85dc2ba8e985538ab3e202805aed1a88b7a62e29f572fb272b79cbaf8d93d589d7f554369b0a7f04f4f095e00dbf29cd35

  • SSDEEP

    3072:NkuCFPwbQG144KYiEwqIHRbgh40dM73D/azMgTloSVbVZTdmr:CztG144zHNIa4gM73DyBTloSVRZQ

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

http://klkjwre77638dfqwieuoi888.info/

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 30 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 Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 46 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:320
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1212
        • C:\Users\Admin\AppData\Local\Temp\ac1d973d8f6cfb618d2cba70a91a5e9d.exe
          "C:\Users\Admin\AppData\Local\Temp\ac1d973d8f6cfb618d2cba70a91a5e9d.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Windows security modification
          • Checks whether UAC is enabled
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2976
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1172
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1120

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1120-8-0x0000000000620000-0x0000000000622000-memory.dmp

            Filesize

            8KB

          • memory/2976-33-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-7-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-1-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-0-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/2976-9-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-34-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-15-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-20-0x0000000001E80000-0x0000000001E82000-memory.dmp

            Filesize

            8KB

          • memory/2976-21-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-22-0x0000000004E40000-0x0000000004E41000-memory.dmp

            Filesize

            4KB

          • memory/2976-27-0x0000000001E80000-0x0000000001E82000-memory.dmp

            Filesize

            8KB

          • memory/2976-28-0x0000000004E40000-0x0000000004E41000-memory.dmp

            Filesize

            4KB

          • memory/2976-29-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-24-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-30-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-31-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-73-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-6-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-12-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-36-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-37-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-39-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-40-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-43-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-48-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-49-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-56-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/2976-59-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-60-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-62-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-64-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-66-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-68-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-32-0x0000000001F00000-0x0000000002F8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2976-90-0x0000000001E80000-0x0000000001E82000-memory.dmp

            Filesize

            8KB