Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 10:52

General

  • Target

    4ba49e1f864ef0116890eea6440d7a8562b498574c1d15467990f5860523572f.exe

  • Size

    856KB

  • MD5

    0615ed5d5753d60dd6308523a7a8814e

  • SHA1

    1e63142c48d890b59bbd82c77f435e6206631f1e

  • SHA256

    4ba49e1f864ef0116890eea6440d7a8562b498574c1d15467990f5860523572f

  • SHA512

    1d9b075b7bb4f693c6d0c0e62b40104f77dd6ba7b014541ff770376c18919609c20c4dd18dd1236966cc7721e7b274df6c439e30810c164f601b0adafe08226a

  • SSDEEP

    24576:CECdXeb/rR0FPEGNiHWd0A/TPFMceJEvNrRe:pIFPEGNiHW9TtMHJoNVe

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 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 31 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\4ba49e1f864ef0116890eea6440d7a8562b498574c1d15467990f5860523572f.exe
            "C:\Users\Admin\AppData\Local\Temp\4ba49e1f864ef0116890eea6440d7a8562b498574c1d15467990f5860523572f.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Writes to the Master Boot Record (MBR)
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1732
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1528

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\CabC007.tmp

            Filesize

            70KB

            MD5

            49aebf8cbd62d92ac215b2923fb1b9f5

            SHA1

            1723be06719828dda65ad804298d0431f6aff976

            SHA256

            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

            SHA512

            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

          • C:\Users\Admin\AppData\Local\Temp\TarC029.tmp

            Filesize

            181KB

            MD5

            4ea6026cf93ec6338144661bf1202cd1

            SHA1

            a1dec9044f750ad887935a01430bf49322fbdcb7

            SHA256

            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

            SHA512

            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

          • F:\fwelm.exe

            Filesize

            97KB

            MD5

            d76973c93f9a14711c8c80632ce1f653

            SHA1

            474090794cb2fec08779548fefb0df3a7b3cb8b6

            SHA256

            7d3119f5733b56ab625ea28a2351ad36b096b33470f9a2172c79e9b245a8372a

            SHA512

            3b76c3b4c59527894a0b764102678d8038c8c1d7cbdb646355a3ded0aebb0df9457d4d111b5fffa2ca292f909c488643d2db8a69536e9e40e3b1d197c9f03dbd

          • memory/1116-18-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1732-37-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-82-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-33-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/1732-32-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/1732-31-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/1732-7-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-28-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/1732-27-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/1732-5-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-3-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-12-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-8-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-11-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-44-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-34-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-36-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-0-0x0000000000400000-0x00000000004D9000-memory.dmp

            Filesize

            868KB

          • memory/1732-38-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-220-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-10-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-35-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-46-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-55-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-57-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/1732-58-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-59-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-61-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-64-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-68-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-70-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-72-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-74-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-81-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-42-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-9-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-6-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-4-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-41-0x0000000002010000-0x00000000030CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1732-219-0x0000000000400000-0x00000000004D9000-memory.dmp

            Filesize

            868KB