Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 18:19

General

  • Target

    a88ed4c1c7ee088cb5954d41ea604af87e7cdb2858914537137b7bcbdc655e34.dll

  • Size

    120KB

  • MD5

    6dfa885e54ee2857bb9a8b7fc713a986

  • SHA1

    cbd51b6202037bc25dc1b9e51363d96b8be3b4ce

  • SHA256

    a88ed4c1c7ee088cb5954d41ea604af87e7cdb2858914537137b7bcbdc655e34

  • SHA512

    6e273eb3f603396f8cc46a4b067b6575ac6754770ec941c653c5591708984d4afbd1c7b384a21ab0f124eee7ded0ccb07092849b4890a70106f44edd4a824d9d

  • SSDEEP

    3072:eOsVtD0/PwyPhG75qZCNcQ/b1mfU4J6FsIN:eOkabP05qwiA1mRmsIN

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 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • UPX packed file 23 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1092
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1100
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a88ed4c1c7ee088cb5954d41ea604af87e7cdb2858914537137b7bcbdc655e34.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2792
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a88ed4c1c7ee088cb5954d41ea604af87e7cdb2858914537137b7bcbdc655e34.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2816
              • C:\Users\Admin\AppData\Local\Temp\f766e8b.exe
                C:\Users\Admin\AppData\Local\Temp\f766e8b.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • 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:2880
              • C:\Users\Admin\AppData\Local\Temp\f767002.exe
                C:\Users\Admin\AppData\Local\Temp\f767002.exe
                4⤵
                • Executes dropped EXE
                PID:1012
              • C:\Users\Admin\AppData\Local\Temp\f768a07.exe
                C:\Users\Admin\AppData\Local\Temp\f768a07.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • 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:2488
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            afb80be370c3b947488f0e75e76d0957

            SHA1

            50f1e37352728246a7e2454a8df93174d5b02c4b

            SHA256

            7e54d320143bec22083a7393a8169569f306bbd8b721c51fa869f94df23a389b

            SHA512

            4ca30be784e56c810c8a1558b743f3a1a970f3ff32cdbe454083905ccdb9b95ce5b6a889dcc264e205f237dbbef8665649902cb47742d279eef329892b9b0f9e

          • \Users\Admin\AppData\Local\Temp\f766e8b.exe

            Filesize

            97KB

            MD5

            3208517b67322128f06c5e202f6d6e61

            SHA1

            017ccd84b13068e37d961fb9669a9c851d9883d0

            SHA256

            2382e45fcad6e70ce4684133fc3ab7b50221e90ebb87f93b4be285b2d9796de4

            SHA512

            e46d674fb549742a55b656e3cca7ee85c8eef5b65c85160fb487ec47af935cb121dd7593965b997a07b82bf8e124fd648314e117974008a3a0766f44a1cb883d

          • memory/1012-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1012-163-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1012-111-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1012-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1012-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1012-133-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1048-28-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2488-217-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-114-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2488-176-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2488-175-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-112-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2488-87-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2816-62-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2816-61-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2816-59-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2816-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2816-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2816-49-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2816-9-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2816-10-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2816-218-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2816-85-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2816-80-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2816-82-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2816-83-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2880-48-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2880-70-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-71-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-86-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2880-68-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-89-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-90-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-93-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-51-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2880-52-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2880-159-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2880-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-12-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-14-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB