Analysis

  • max time kernel
    125s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2024, 15:32

General

  • Target

    e83987758bada5b901241eea36b79c355d0d84cc0c43e0bbce14f357885f02b0.exe

  • Size

    65KB

  • MD5

    0e8d0e8257788b719cedec780a9484c6

  • SHA1

    1e3ee6524d9fd308ba375fd7b4423cf02b9246f9

  • SHA256

    e83987758bada5b901241eea36b79c355d0d84cc0c43e0bbce14f357885f02b0

  • SHA512

    4b683a38c8e8b16215d30ae49f01dcd4a7c8e774d1e085da41d5c41cfddf9700b545232d9eb3123767baec3c65c30499b590b96722f444dea84d26f212ebbd38

  • SSDEEP

    1536:EphmG6DYx+rNtILARfkiKyZGYdcQ6wp/85mpwXUSXtQ2++VhQ:EqJtMxt+Hp/85mOXUSXGqQ

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 29 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 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.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1076
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1084
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1156
          • C:\Users\Admin\AppData\Local\Temp\e83987758bada5b901241eea36b79c355d0d84cc0c43e0bbce14f357885f02b0.exe
            "C:\Users\Admin\AppData\Local\Temp\e83987758bada5b901241eea36b79c355d0d84cc0c43e0bbce14f357885f02b0.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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2952
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1792

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\oofsf.exe

            Filesize

            97KB

            MD5

            260dc64649e1ea2b750e09cbd6ac713e

            SHA1

            03794ef959979c60c9b6ea84ab2f75c947721d66

            SHA256

            6f490515d83b2ee0a187f30d1892fa56ac4f3d1fc4163201967116bf5d6773a7

            SHA512

            18f4ec7d21d586cb2a800661c7f671bfaada79501bebd44e503e3398071008b7a8ed95a98827f43cf2c820accffcaa02d468f9e64cf953d43354babc6182ca48

          • memory/1076-5-0x0000000001FF0000-0x0000000001FF2000-memory.dmp

            Filesize

            8KB

          • memory/2952-33-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-31-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-6-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-3-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-9-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-11-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-16-0x0000000004210000-0x0000000004212000-memory.dmp

            Filesize

            8KB

          • memory/2952-18-0x00000000045E0000-0x00000000045E1000-memory.dmp

            Filesize

            4KB

          • memory/2952-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-21-0x00000000045E0000-0x00000000045E1000-memory.dmp

            Filesize

            4KB

          • memory/2952-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-28-0x0000000004210000-0x0000000004212000-memory.dmp

            Filesize

            8KB

          • memory/2952-29-0x0000000004210000-0x0000000004212000-memory.dmp

            Filesize

            8KB

          • memory/2952-30-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-34-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-32-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-4-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2952-40-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-37-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-38-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-36-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-42-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-52-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2952-54-0x0000000003570000-0x0000000003571000-memory.dmp

            Filesize

            4KB

          • memory/2952-55-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-57-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-59-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-67-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-69-0x0000000004210000-0x0000000004212000-memory.dmp

            Filesize

            8KB

          • memory/2952-70-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-72-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-74-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-76-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2952-108-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2952-1-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB