Analysis

  • max time kernel
    27s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 21:22

General

  • Target

    3a176588462dff03c1e48e8ff219f6a65aab9b483536efefbef4995365e46080.dll

  • Size

    120KB

  • MD5

    9ad0928a9b68983ddd91486f08f93f59

  • SHA1

    afe524e9362c762fded773fa0a17185126563322

  • SHA256

    3a176588462dff03c1e48e8ff219f6a65aab9b483536efefbef4995365e46080

  • SHA512

    2319d377d09b2285a2ca3b9256450404f1a692a5ed17fb1e8c4eb34bd4a00998ba788274478b884042c0bfc3e1d6f2a19cdff5138bc9f5c3818c9f83178ead48

  • SSDEEP

    3072:5JdZTluJGGk0HVeqBQs+lfYEhAwtGCbC6vdR:JZTkJGGkieKQs+/FrbfF

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 14 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1232
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1320
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1360
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a176588462dff03c1e48e8ff219f6a65aab9b483536efefbef4995365e46080.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:392
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a176588462dff03c1e48e8ff219f6a65aab9b483536efefbef4995365e46080.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2388
              • C:\Users\Admin\AppData\Local\Temp\f783505.exe
                C:\Users\Admin\AppData\Local\Temp\f783505.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:3012
              • C:\Users\Admin\AppData\Local\Temp\f783756.exe
                C:\Users\Admin\AppData\Local\Temp\f783756.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • System policy modification
                PID:1048
              • C:\Users\Admin\AppData\Local\Temp\f784f68.exe
                C:\Users\Admin\AppData\Local\Temp\f784f68.exe
                4⤵
                • Executes dropped EXE
                PID:1660
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:928

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6973ea4b11078f5fd85a0736deef06a2

            SHA1

            994d063ef70173b6382e998808fe2732aa2fa2d3

            SHA256

            78c4a0b6ecee439239c9f93ee15aa2ba70e66b91333b9e9fe3c831a74c95ddad

            SHA512

            fdea9be24ee4e7219d29969534c3258920093aec9fee00318458435f8be33b90d01643400cb9135252da75e5ba0586e3efd25fecf82bae7b44f04ba8615dee47

          • \Users\Admin\AppData\Local\Temp\f783505.exe

            Filesize

            97KB

            MD5

            c18e5a4bb86762932f7990aa8ec9c0bb

            SHA1

            e65ff06013a382aa971f3e5b8e3b3e4eb8f309b0

            SHA256

            b68ff82f1b2c4a0e7893040c76496d69d819d5c88a8a72f89013cddd77f99cee

            SHA512

            dc60f1b17520ed39a20346b87523bd9c5102246399270e5e4db4609f1b3be3dcfc4845d0de3fa6c7d86f752d4a09799d02558368275a93f2d90c8d443fbaaf6f

          • memory/1048-101-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1048-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1048-172-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1048-132-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1048-100-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1048-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1048-185-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1048-109-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1232-20-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/1660-111-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1660-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1660-133-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1660-110-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2388-44-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2388-58-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2388-29-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2388-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2388-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2388-6-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/2388-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2388-60-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2388-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2388-30-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2388-79-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2388-82-0x0000000000120000-0x0000000000126000-memory.dmp

            Filesize

            24KB

          • memory/3012-40-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-68-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-43-0x00000000004C0000-0x00000000004C1000-memory.dmp

            Filesize

            4KB

          • memory/3012-70-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-84-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/3012-14-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-72-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-85-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-86-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-90-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-66-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-67-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-42-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-59-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/3012-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-160-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3012-31-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-41-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-51-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/3012-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB