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Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/12/2024, 22:25

General

  • Target

    fb2bee37b1426340583b4d6f6b4371de970d42be945eba7162fb78b1e8baddc9N.exe

  • Size

    100KB

  • MD5

    cc8012210b5b9bde6b89391267dfe780

  • SHA1

    901f7b80cf62e42cd7a3cba4c7e437d899546ce1

  • SHA256

    fb2bee37b1426340583b4d6f6b4371de970d42be945eba7162fb78b1e8baddc9

  • SHA512

    fc860bcef0247dddb5ae56ac728b30ffd2a2edcd2314d7c726e8a8b5480910c43b7f5561330d0f59ef70e21778230e987ae6bfb75dc31a1ae559cd298de4f026

  • SSDEEP

    3072:ClmPJNSSJhZHN9mN0DuoWjr0Tv7ubsSKl:/PJNNzmJVro79H

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/

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 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • UPX packed file 22 IoCs

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

  • 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).

  • 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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Users\Admin\AppData\Local\Temp\fb2bee37b1426340583b4d6f6b4371de970d42be945eba7162fb78b1e8baddc9N.exe
            "C:\Users\Admin\AppData\Local\Temp\fb2bee37b1426340583b4d6f6b4371de970d42be945eba7162fb78b1e8baddc9N.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2072
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1348

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\mafwtm.exe

            Filesize

            100KB

            MD5

            f11c5fd51955d85cb56d6311e09266d3

            SHA1

            e1bac535116b3ec7854c73a6fc4b0ecba8e824dd

            SHA256

            f6b539337a155597e429de9532eff85199d245db1e17b59160503cb1d17156c5

            SHA512

            396224f457d0f06044682763711cf32ab49497a680ff1c08106474167c0ad0e53249e5315fb0f64a29f1c475f773f20eb1e13b49ad437617a5301b8678abc233

          • memory/1100-12-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2072-28-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-44-0x0000000003F00000-0x0000000003F01000-memory.dmp

            Filesize

            4KB

          • memory/2072-9-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-8-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-7-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-5-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-4-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-26-0x00000000005B0000-0x00000000005B2000-memory.dmp

            Filesize

            8KB

          • memory/2072-3-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-25-0x00000000005B0000-0x00000000005B2000-memory.dmp

            Filesize

            8KB

          • memory/2072-24-0x0000000003230000-0x0000000003231000-memory.dmp

            Filesize

            4KB

          • memory/2072-22-0x0000000003230000-0x0000000003231000-memory.dmp

            Filesize

            4KB

          • memory/2072-21-0x00000000005B0000-0x00000000005B2000-memory.dmp

            Filesize

            8KB

          • memory/2072-10-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2072-27-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-11-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-42-0x0000000000340000-0x0000000000342000-memory.dmp

            Filesize

            8KB

          • memory/2072-29-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-45-0x0000000000340000-0x0000000000342000-memory.dmp

            Filesize

            8KB

          • memory/2072-46-0x00000000005B0000-0x00000000005B2000-memory.dmp

            Filesize

            8KB

          • memory/2072-47-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-48-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-50-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-51-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-52-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-54-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-56-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-58-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-59-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-62-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-6-0x0000000001D50000-0x0000000002DDE000-memory.dmp

            Filesize

            16.6MB

          • memory/2072-148-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB