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Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2024, 06:15

General

  • Target

    fb208c0fbccac1d2f40722d93b63fe0825384b1a42532c2bc7a46c5d8b9c7dcd.exe

  • Size

    65KB

  • MD5

    5fd3de94981a076d74726232ebaacf2e

  • SHA1

    9febfd5fe52e413b030823199516c94580fa189a

  • SHA256

    fb208c0fbccac1d2f40722d93b63fe0825384b1a42532c2bc7a46c5d8b9c7dcd

  • SHA512

    ee9d6172fdd0a6aad12a3f30504256574d90273f2ab67e4dd6244607b30944780469b6f3ae918e7b567c075dee82d4cf3cb19e35ef8d70d180cd8a4bf00a47f3

  • SSDEEP

    1536:uosREiO6hxvhAAjPlJsQokWig0VM24sTfvXRJ:uBDrOeJV+E4YXD

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 32 IoCs
  • UPX dump on OEP (original entry point) 33 IoCs
  • UPX packed file 32 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 15 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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\fb208c0fbccac1d2f40722d93b63fe0825384b1a42532c2bc7a46c5d8b9c7dcd.exe
            "C:\Users\Admin\AppData\Local\Temp\fb208c0fbccac1d2f40722d93b63fe0825384b1a42532c2bc7a46c5d8b9c7dcd.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:2164
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2316

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1100-18-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2164-35-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-32-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-4-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-3-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-7-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-12-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-30-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2164-29-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2164-9-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-28-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2164-26-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2164-25-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2164-10-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-5-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-8-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-6-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2164-31-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-11-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-33-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-39-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-37-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-38-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-34-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-42-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-43-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-48-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-49-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-52-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-55-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-58-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-59-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-62-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-64-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-69-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-71-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-77-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-95-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB